Carrier and SBT Platform Status Alerts

Status alerts for cellular carriers and the SBT platform

Current Alerts

Updated 22 July 2024, 07:15 CDT (Dallas, TX; 12:15 UTC)

Carriers and Aggregators

Carrier
(Aggregator)
Start
(Date & UTC)
End
(Date & UTC) 
Notes/Impact
AT&T Mexico [Nextel/Iusacell]
(Infobip)
07/20/2024
07:14
Ongoing

SMS delivery degradation. Possible irregular delivery with inconsistent delivery times.

Sasktel [Canada]
(Sinch)
07/23/2024
03:00
07/23/2024
06:00

Migration of supplier connections. Possible delay in MT traffic and delayed DR's /loss of DR's during the change.

T-Mobile
(Infobip)
07/23/2024
03:00
07/23/2024
11:00

Technical maintenance. Possible intermittent delays delivering SMS and MMS to handsets.  

(Sinch) 07/25/2024
08:00
07/25/2024
10:00

Maintenance of MMSC carrier connections. MMS MT/DLR/MO will be queued for a brief period of 5-10 minutes during this window. 

AT&T
(Sinch)
07/25/2024
18:00
07/26/2024
00:00

Technical maintenance. Possible delayed or failed Short Code and 10DLC MT/MO traffic.

Verizon
(Infobip)
07/30/2024
04:00
08/02/2024
10:00

Technical maintenance. Possible intermittent delays with MMS delivery to handsets.

(Sinch) 08/01/2024
09:00
08/01/2024
11:00

Maintenance on our Verizon Supplier 10DLC Connections. Possible delay in Verizon 10DLC MT traffic and delayed DR's/loss of DR's.

(Sinch) 08/06/2024
09:00
08/06/2024
11:00

Maintenance on 10DLC RouteBack Connections. Possible delay in MT traffic and delayed DR's/loss of DR's.

(Sinch) 08/07/2024
09:00
08/07/2024
11:00

Maintenance/migration of Sinch Digital Interconnect Tier 1 US connections. Possible delay in MT traffic over Sinch-SDI connections for Tier 1 carriers and delayed DR's/loss of DR's.


SBT Platform

Legacy 1.0 Platform: Regular Maintenance Window

Day: Second Monday of each month
Time: Between 3:30 AM and 4:30 AM CST
Duration: One hour
Impacted Applications: T2C-1.0, both UI and API

Platform/Event

Start
(Date & UTC)
End
(Date & UTC)
Notes/Impact
FinText 2.0
Legacy 1.0
Payments
07/08/2024
07:45
07/08/2024
08:45
Routine platform maintenance on the UIs and APIs. UIs, APIs, and SFTP services will be unavailable.
SBT Platform Alerts History

Platform/Event

Start
(Date & UTC)
End
(Date & UTC)
Notes/Impact
FinText 2.0
Legacy 1.0
06/10/2024
07:45
06/10/2024
08:45
Routine platform maintenance on the UIs and APIs. UIs, APIs, and SFTP services will be unavailable.
FinText 2.0
Legacy 1.0
05/13/2024
07:45
05/13/2024
08:45
Routine platform maintenance on the UIs and APIs. UIs, APIs, and SFTP services will be unavailable.
FinText 2.0
Legacy 1.0
04/03/2024
16:00
04/03/2024
16:30
Carrier Lookup failures. Carrier lookups and Add Subscriber calls affected. Monitoring in progress to ensure all processes are normal.
FinText 2.0
Legacy 1.0
04/08/2024
07:45
04/08/2024
08:45
Routine platform maintenance for user interfaces and APIs to our FinText (2.0) and Legacy (1.0) platforms. FinText (2.0) and Legacy (1.0) user interfaces and APIs will be unavailable.
FinText 2.0
Legacy 1.0
03/18/2024
07:45
03/18/2024
08:45
Routine platform maintenance for user interfaces and APIs to our FinText (2.0) and Legacy (1.0) platforms. FinText (2.0) and Legacy (1.0) user interfaces and APIs will be unavailable.
FinText 2.0
Legacy 1.0
02/12/2024
08:45
02/12/2024
09:45
Routine platform maintenance for user interfaces and APIs to our FinText (2.0) and Legacy (1.0) platforms. FinText (2.0) and Legacy (1.0) user interfaces and APIs will be unavailable.
FinText 2.0
Legacy 1.0
01/08/2024
08:45
01/08/2024
09:45
Routine platform maintenance for user interface and APIs. Both the 2.0 and 1.0 UIs and APIs will be unavailable.
Legacy 1.0 12/11/2023
08:45
12/11/2023
09:45
Routine maintenance for user interface and APIs. User interface and APIs will be unavailable.
Legacy 1.0 11/13/2023
08:45
11/13/2023
09:45
SSL certificate replacement. Legacy 1.0 platform UI and APIs will be unavailable.
Legacy 1.0 10/12/2023
04:30
10/12/2023
04:45
Performance improvements. Legacy 1.0 platform UI and APIs will be unavailable.
FinText 2.0 10/09/2023
07:45
10/09/2023
09:45
Routine maintenance for user interface and APIs. User interface and APIs will be unavailable.
Legacy 1.0 09/27/2023
04:30
09/27/2023
04:39
System maintenance. User Interface and APIs will be unavailable.
Legacy 1.0: Duplicate Records 09/11/2023  09/14/2023

We experienced an issue which created duplicated records in the message and usage reporting for 9/11/23. We have confirmed that duplicate messages were not sent to subscribers; this is only a reporting issue. Issue has been investigated and fixes have been deployed. 

Scheduled Maintenance 09/11/2023
08:45
09/11/2023
09:45
SBT 1.0 and 2.0 User Interfaces and APIs will be unavailable.
Legacy 1.0 09/10/2023
07:45
09/10/2023
08:45
Routine platform maintenance for User Interface and APIs. Legacy 1.0 User Interface and APIs will be unavailable.
Scheduled Maintenance 08/14/2023
08:45
08/14/2023
09:45
SBT User Interface and API will be unavailable.

Carrier and Aggregator Alerts History

Carrier
(Aggregator)
Start
(Date & UTC)
End
(Date & UTC)
Notes/Impact
Wind Mobile [Canada]
(Sinch)
07/22/2024
05:30
07/22/2024
08:30

Maintenance on supplier connections. Possible delay in MT traffic and delayed DR's /loss of DR's during the change. 

ClearSky
(Infobip)
07/21/2024
06:13
07/21/2024
08:17
Degraded SMS delivery. Possible irregular delivery with inconsistent delivery times.
ISP Telecom [Canada]
(Sinch)
07/21/2024
05:29
07/21/2024
07:05
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ClearSky
(Infobip)
07/19/2024
02:06
07/19/2024
15:47
Degraded SMS delivery. Possible irregular delivery with inconsistent delivery times.
Movistar/Pegaso PCS [Mexico] 
(Infobip)
07/19/2024
14:12
07/19/2024
15:35
Degraded SMS delivery. Possible irregular delivery with inconsistent delivery times.
AT&T Mexico
(Infobip)
07/18/2024
22:25
07/19/2024
14:10
Degraded SMS delivery. Possible irregular delivery with inconsistent delivery times.
AT&T Mexico [Nextel & Iusacell]
(Infobip)
07/19/2024
00:01
07/19/2024
06:00

Technical maintenance. Possible intermittent delays with SMS delivery to and from handsets.

AT&T Mexico/Nextel/
Iusacell [Mexico]
(Infobip)
07/18/2024
13:39
07/18/2024
18:41

Degradation in SMS delivery.

All Carriers
(Sinch)
07/18/2024
13:34
07/18/2024
18:30

Delivery receipt degradation. Missing and late delivery receipts.

ClearSky/ISP Telecom
(Infobip)
07/17/2024
20:11
07/18/2024
19:37

Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times. 

Movistar/Pegaso PCS] 
(Infobip)
07/18/2024
13:39
07/18/2024
18:41

Degradation in SMS delivery.

ISP Telecom [Canada]
(Sinch)
07/17/2024
16:05
07/18/2024

Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

AT&T
(Infobip)
07/18/2024
03:00
07/18/2024
11:00

Technical maintenance. Possible intermittent delays with SMS and MMS delivery to and from handsets.

AT&T
(Sinch)
07/18/2024
04:00
07/18/2024
11:00

Technical maintenance. Possible intermittent delays with SMS delivery to and from handsets.

All Carriers
(Sinch)
07/17/2024
17:00
07/17/2024
21:14

Delivery receipt degradation towards the United States. Missing/late delivery receipts.

AT&T
(Infobip)
07/17/2024
03:00
07/17/2024
11:00

Technical maintenance. Possible intermittent delays with SMS and MMS delivery to and from handsets.

AT&T
(Sinch)
07/17/2024
04:00
07/17/2024
11:00

Technical maintenance. Possible intermittent delays with SMS delivery to and from handsets.

AT&T
(Sinch)
07/17/2024
06:30
07/17/2024
09:00

Technical maintenance. Possible intermittent delays with SMS delivery to and from handsets.

ISP Telecom [Canada]
(Sinch)
07/16/2024
10:55
07/16/2024
14:29
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ISP Telecom [Canada]
(Sinch)
07/15/2024
19:23
07/15/2024
22:37
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
All Carriers [Canada]
(Sinch)
07/16/2024
05:30
07/16/2024
08:30

Migration of US long code supplier connections to new sites. Possible delays in MT traffic and delayed DR's /loss of DR's during the change.  

ClearSky/Altice
(Infobip)
07/15/2024
21:01
07/15/2024
22:19
Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.
T-Mobile
(Infobip)
07/15/2024
03:00
07/15/2024
11:00
Technical maintenance. Possible intermittent delays with SMS and MMS delivery to handsets.
All Carriers [US]
(Sinch)
07/15/2024
05:30
07/15/2024
08:30

Migration of US long code supplier connections to new sites. Possible delays in MT traffic and delayed DR's /loss of DR's during the change.  

Izzi [Mexico]
(Sinch)
07/13/2024
02:33
07/13/2024
04:10
Delivery issues. Possible Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ISP Telecom [Canada]
(Sinch)
07/12/2024
12:28
07/12/2024
17:13

Delivery issues. Possible Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ClearSky: Appalachian Wireless [East Kentucky Network]
(Infobip)
07/12/2024
05:11
07/12/2024
09:27
Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.
AT&T
(Sinch)
07/12/2024
04:00
07/12/2024
09:00
Technical maintenance. Possible intermittent delays with SMS delivery to and from handsets.
T-Mobile
(Infobip)
07/12/2024
04:00
07/12/2024
10:00
Technical maintenance. Possible intermittent delays with SMS and MMS delivery to handsets.
Verizon
(Sinch)
07/11/2024
14:53
07/11/2024
15:27
Delivery issues. Possible delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts. 
AT&T
(Infobip)
07/11/2024
03:00
07/11/2024
10:00

Technical maintenance. Possible intermittent delays with SMS and MMS delivery to and from handsets.

T-Mobile
(Infobip)
07/09/2024
15:00
07/09/2024
16:15

Temporary MMS delivery degradation. Irregular delivery with inconsistent delivery times.

T-Mobile
(Infobip)
07/09/2024
03:00
07/09/2024
11:00

Technical maintenance. Possible intermittent delays with SMS and MMS delivery to and from handsets.

AT&T
(Sinch)
07/09/2024
06:00
07/09/2024
10:00

Technical maintenance. Possible intermittent delays with SMS and MMS delivery to and from handsets.

T-Mobile
(Infobip)
07/08/2024
01:00
07/08/2024
11:00

Technical maintenance. intermittent delays delivering SMS and MMS to handsets.

AT&T
(Sinch)
07/03/2024
05:02
07/03/2024
08:10

Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

T-Mobile
(Infobip)
07/03/2024
03:00
07/03/2024
11:00

Technical maintenance. Possible intermittent delays delivering SMS and MMS to handsets.

Multiple Carriers [Canada]
(Infobip)
07/03/2024
04:00
07/03/2024
09:00

Technical maintenance. Possible SMS MO and MT delays or rejections.
Impacted networks:
Eastlink Wireless (NNC: 302270)
Rogers Wireless (NNC: 302720)
Videotron (NNC: 302500)
SaskTel Mobility (NNC: 302680)
Rogers Wireless - Fido (NNC: 302370)
Bell Mobility (NNC: 302610)
Telus Mobility (NNC: 302220)
Xplornet Mobile (NNC: 302130)
Freedom Mobile (NNC: 302490)
Execulink Telecom (NNC: 302340)
Fibernetics Corporation (NNC: 302140)
SSi Micro (NNC: 302480)
Bell Mobility - Virgin Mobile (NNC: 302611)

Bell [Canada]
(Sinch)
06/28/2024
11:00
06/28/2024
15:00
Delivery issues with MOs. 
Movistar/Pegaso PCS [Mexico]
(Infobip)
06/27/2024
21:32
06/28/2024
16:05
Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.
Telefonica [Mexico]
(Sinch)
06/27/2024
18:34
06/28/2024
00:56

Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

Movistar [Pegaso PCS][Mexico]
(Infobip)
06/27/2024
09:13
06/27/2024
12:22

Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.

Any Carrier
(Sinch)
06/27/2024
02:00
06/27/2024
12:00

Technical maintenance. Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards the United States and Canada. 

Any Carrier
(Sinch)
06/27/2024
03:00
06/27/2024
10:00

Technical maintenance. Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards the United States and Canada. 

T-Mobile
(Infobip)
06/27/2024
03:00
06/27/2024
11:00

Technical maintenance. Possible intermittent delays with MMS delivery to handsets.

T-Mobile
(Sinch)
06/27/2024
03:00
06/27/2024
11:00

Technical maintenance. Possible MT, DLR and MO delays or failures for US Short Code and 10DLC.

Interop: Dish Wireless
(Infobip)
06/26/2024
22:06
06/26/2024
22:34
Degradation in MMS delivery. Possible irregular delivery with inconsistent delivery times.
DISH Wireless
(Sinch)
06/25/2024
06:40
06/25/2024
08:16
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
Any Carrier
(Sinch)
06/25/2024
03:00
06/25/2024
10:00

Technical maintenance. Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards the United States and Canada. 

Canada - Multiple networks 
(Infobip)

06/25/2024 04:00  06/25/2024 09:00

Impacted networks:
Eastlink Wireless (NNC: 302270)
Rogers Wireless (NNC: 302720)
Videotron (NNC: 302500)
SaskTel Mobility (NNC: 302680)
Rogers Wireless - Fido (NNC: 302370)
Bell Mobility (NNC: 302610)
Telus Mobility (NNC: 302220)
Xplornet Mobile (NNC: 302130)
Freedom Mobile (NNC: 302490)
Execulink Telecom (NNC: 302340)
Fibernetics Corporation (NNC: 302140)
SSi Micro (NNC: 302480)
Bell Mobility - Virgin Mobile (NNC: 302611)

During the maintenance window, there could be intermittent delays delivering SMS to handsets.

Verizon
(Infobip)
06/25/2024
04:00
06/27/2024
04:00

Technical maintenance. Possible intermittent delays with SMS delivery to handsets.

Verizon
(Infobip)
06/25/2024
04:00
06/27/2024
04:00

Technical maintenance. Possible intermittent delays with SMS delivery to handsets.

Movistar/Pegaso PCS [Mexico]
(Infobip)
06/22/2024
18:53
06/23/2024
20:30
SMS delivery degradation. Irregular delivery with inconsistent delivery times.

Verizon Wireless 
(Infobip)

06/20/2024 13:07

6/20/2024 13:20

Temporary SMS delivery degradation causing irregular delivery with inconsistent delivery times while sending to this network within time window provided.

T-Mobile 

(Infobip)

06/20/2024 06:05 6/20/2024 11:00

Planned Maintenance where there could be intermittent delays delivering SMS and MMS to handsets.

Any Carrier
(Sinch)
06/21/2024
03:00
06/21/2024
10:00

Technical maintenance. Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States. 

AT&T
(Sinch)
05/07/2024
13:00

06/21/2024
19:18

Clients using the US Short code product may experience delayed/missing MMS MOs from AT&T.

Verizon
(Infobip)
06/19/2024
04:00
06/19/2024
10:00

Technical maintenance. Possible intermittent delays with MMS delivery to handsets.

T-Mobile
(Infobip)
06/19/2024
04:00
06/19/2024
10:00

Planned technical maintenance. Possible intermittent delays with SMS and MMS delivery to handsets.

Mexico-Telefonica MX 
(Sinch)

06/19/2024
10:50 

06/19/2024 15:35

Delivery Issues: Delayed outbound and inbound messages, sissing delivery receipts as well as late delivery receipts.

Mexico - Movistar (Pegaso PCS)
(Infobip)

06/19/2024 13:18 

06/19/2024 17:05 

Degradation in SMS delivery causing irregular delivery with inconsistent delivery times while sending towards the specified network.

Mexico - Izzi 
(Sinch)

06/18/2024 16:28 06/18/2024
17:05

Delivery issues with Mexico-Izzi. Delayed outbound and inbound messages, sissing delivery receipts as well as late delivery receipts 

Any Carrier
(Sinch)
06/18/2024
01:00
06/18/2024
08:00

Technical maintenance. Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States. 

Any Carrier
(Sinch)
06/18/2024
04:00
06/18/2024
10:00

Technical maintenance. Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States. 

Any Carrier
(Sinch)
06/18/2024
08:00
06/18/2024
09:00

Technical maintenance. MMS US, CA, PR, AU Customers. Messages will be queued for ~15 seconds and will process following a restart of the application. 

Any Carrier
(Sinch)
06/19/2024
03:00
06/19/2024
10:00

Technical maintenance. Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States. 

Any Carrier
(Sinch)
06/19/2024
13:00
06/20/2024
20:00

Technical maintenance. Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States. 

Verizon
(Infobip)
06/17/2024
04:00
06/17/2024
10:00

Technical maintenance. Possible intermittent delays with MMS delivery to handsets.

T-Mobile
(Sinch)
06/17/2024 06/17/2024

Technical maintenance. Clients may experience delayed or failed Short Code and 10DLC MT/MO traffic. 

Any Carrier
(Sinch)
06/17/2024
08:00
06/17/2024
10:30

Maintenance on the MMS platform; US, CA, PR, AU will be affected. Incoming MMS MT messages will be queued during restart of application for ~5 minutes. MO, DLRs will be rejected for < 01 minute. The carrier should retry delivery upon server availability.

Any Carrier
(Sinch)
06/13/2024
04:00
06/13/2024
11:00

Technical maintenance. Clients may experience delayed or failed MMS 10DLC MT/MO traffic.

T-Mobile
(Infobip)
06/13/2024
05:00
06/13/2024
11:00

Technical maintenance. Possible intermittent delays with SMS delivery to handsets.

US Cellular
(Sinch)
06/13/2024
05:30
06/13/2024
11:30

Technical maintenance. Clients may experience delayed or failed SMS/MMS Short Code and 10DLC MT/MO traffic.

Multiple Carriers
(Infobip)
06/12/2024
06:00
06/14/2024
22:00

Technical maintenance. No impact expected, but possible delivery delays.

IC Mobile [Canada]
(Infobip)
06/12/2024
04:00
06/12/2024
07:00

Technical maintenance. Possible MO/MT delays and intermittent delays delivering SMS to handsets.

AT&T
(Infobip)
06/11/2024
10:00
06/11/2024
17:15

Degradation in MMS delivery. Possible irregular delivery with inconsistent delivery times.

ClearSky: Appalachian Wireless [East Kentucky Network]
(Infobip)
06/11/2024
03:14
06/12/2024
22:32

Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.

T-Mobile
(Infobip)
06/10/2024
05:00
06/10/2024
11:00

Technical maintenance. Possible intermittent delays delivering MMS to handsets.

Izzy [Mexico]
(Sinch)
06/10/2024
03:05
6/10/2024
04:09

Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

ClearSky/Altice
(Infobip)
06/07/2024
17:04
06/07/2024
20:41

Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.

Any Carrier
(Infobip)
06/06/2024
11:03

06/06/2024
11:32

Message processing service issues. Possible delayed processing of inbound messages.

Bell Canada
(Sinch)
06/06/2024
05:00

06/06/2024
10:00

Technical maintenance. Clients may experience delayed or failed SMS/MMS Short Code, Toll Free and 10DLC MT/MO traffic.

T-Mobile
(Infobip)
06/05/2024
16:12

06/05/2024
17:59

Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.

T-Mobile
(Sinch)
06/05/2024
14:59

06/05/2024
18:26

Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

Telcel [Mexico]
(Sinch)
06/05/2024
04:33

06/05/2024
04:55

Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

Rogers, Fido, Telus [Canada]
(Infobip)
06/04/2024
18:50

06/04/2024
20:09

Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.

Verizon
(Infobip)
06/04/2024
05:00
06/04/2024
09:00

Technical maintenance. Will impact 10DLC only.

Telefonica Mexico
(Sinch)
06/03/2024
18:46
06/03/2024
20:25
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ClearSky: Inteliquent/
Onvoy
(Infobip)
06/02/2024
20:15
06/03/2024
17:12
Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.
T-Mobile
(Infobip)
06/03/2024
05:00
06/03/2024
11:00

Technical maintenance. Possible intermittent delays delivering MMS to handsets.  

T-Mobile
(Infobip)
05/30/2024
03:00
05/30/2024
11:00

Technical maintenance. Possible intermittent delays delivering SMS and MMS to handsets.  

T-Mobile
(Infobip)
05/29/2024
20:39
06/03/2024
19:53
Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.
ISP Telecom [Canada]
(Sinch)
05/29/2024
12:20
05/29/2024
15:11

Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

T-Mobile
(Sinch)
05/29/2024
02:00
05/29/2024
09:00

Technical maintenance. Possible delayed or failed Short Code and 10DLC MT/MO traffic toward T-Mobile (US).

Multiple Carriers
(Sinch)
05/29/2024
00:45
05/29/2024
01:35

Delivery issues towards US - DISH Wireless - General Communication - C Spire - Cellcom. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

Izzi [Mexico]
(Sinch)
05/27/2024
18:13
05/27/2024
19:23

Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

ClearSky: Appalachian Wireless [East Ky. Network]
(Infobip)
05/24/2024
16:04
05/27/2024
20:53
Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.
T-Mobile
(Infobip)
05/24/2024
19:17
05/26/2024
01:53
Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.
T-Mobile
(Infobip)
05/24/2024
05:00
05/24/2024
12:00
Technical maintenance. Possible intermittent delays delivering SMS/MMS to handsets.
Telus [Canada]
(Infobip)
05/22/2024
21:01
05/24/2024
08:04
Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.
ISP Telecom [Canada]
(Sinch)
05/22/2024
06:30
05/22/2024
13:42
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ClearSky: ISP Telecom
(Infobip)
05/22/2024
12:41
05/24/2024
08:25
Degradation in SMS delivery. Possible irregular delivery with inconsistent delivery times.
T-Mobile
(Infobip & Sinch)
05/22/2024
05:00
05/22/2024
11:00

Technical maintenance. Possible intermittent delays with MMS delivery to handsets; possible delayed or failed Short Code and 10DLC MT/MO traffic toward T-Mobile (US).

Izzi [Mexico]
(Sinch)
05/18/2024
19:35
05/18/2024
22:15

Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

(Infobip) 05/20/2024
02:48
05/20/2024
05:10
MO issues at the US data center. Delivery delays possible.
T-Mobile
(Infobip)
05/17/2024
05:00
05/17/2024
12:00
Technical maintenance. Possible intermittent delays delivering SMS to handsets.
T-Mobile
(Not aggregator-specific)
05/16/2024
Time unknown
Unknown

Outbound MMS delivery degradation. Irregular delivery with inconsistent delivery times.

T-Mobile
(Infobip)
05/16/2024
07:20
05/16/2024
08:30
Delivery degradation. Irregular delivery with inconsistent delivery times.
(Infobip) 05/16/2024
03:00
05/16/2024
07:00
Technical maintenance. Possible intermittent delays delivering SMS/MMS to handsets.
Verizon
(Infobip)
05/16/2024
04:00
05/16/2024
09:00
Technical maintenance.
AT&T Mexico
(Sinch)
05/15/2024
06:00
05/15/2024
12:00
Technical maintenance. Possible intermittent delays delivering SMS/MMS to handsets.
T-Mobile
(Infobip)
05/15/2024
03:00
05/15/2024
11:00
Technical maintenance. Possible intermittent delays delivering SMS to handsets.
US Cellular
(Infobip)
05/14/2024
05:44
05/14/2024
10:43
Delivery degradation. Irregular delivery with inconsistent delivery times.
T-Mobile
(Sinch)
05/14/2024
05:00
05/14/2024
06:00
Delayed or failed Short Code and 10DLC MT/MO traffic. 
US Cellular
(Sinch)
05/13/2024
04:30
05/13/2024
10:30
Technical maintenance. Possible delayed MT/MO/DR.
US Cellular
(Sinch)
05/13/2024
11:25
05/13/2024
17:41
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
(Infobip) 05/13/2024
08:50
05/13/2024
10:12
Traffic processing issues at the global processing center (Germany). You may experience a delay in SMS traffic processing, while messages with small validity period can expire.
US Cellular
(Sinch)
05/13/2024
04:30
05/13/2024
10:30
Technical maintenance. Possible delayed MT/MO/DR.
Interop: Dish Wireless
(Infobip)
05/10/2024
17:53
05/10/2024
21:09
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
AT&T
(Infobip)
05/09/2024
07:49
05/09/2024
13:44
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
AT&T
(Sinch)
05/09/2024
06:48
05/09/2024
11:11
Delivery issues. Missing delivery receipts/Late delivery receipts. MT delivery is unaffected.
T-Mobile
(Infobip)
05/09/2024
05:00
05/09/2024
09:00
Technical maintenance. Possible delays in message delivery.
ClearSky: Intelliquent [Onvoy]
(Infobip)
05/08/2024
14:10
05/08/2024
15:05
Temporary delivery degradation. Irregular delivery with inconsistent delivery times.
(Sinch) 05/07/2024
07:00
05/07/2024
11:00
Maintenance on CA1 site. No traffic impact expected.
AT&T Mexico: Nextel & Iusacell (Infobip)  05/07/2024
05:00
05/07/2024
11:00
Technical maintenance. Possible intermittent delays delivering SMS and MMS to handsets during maintenance window.
T-Mobile
(Infobip)
05/06/2024
04:00
05/06/2024
10:00
Possible intermittent delays delivering SMS and MMS to handsets during maintenance window.
(Sinch) 05/06/2024
07:00
05/06/2024
11:00
Maintenance on US3 site. No traffic impact expected.
(Infobip) 05/05/2024
13:18
05/05/2024
17:45
Issues with Delivery Report service at NY2 data center. Possible delays in receiving Delivery Reports.
(Sinch) 05/02/2024
07:00
05/02/2024
11:00
Maintenance on US7 site. No traffic impact expected.
Verizon
(Infobip)
05/02/2024
03:15
05/02/2024
04:55
Temporary 10DLC SMS delivery degradation. Irregular delivery with inconsistent delivery times while sending towards the specified network.
AT&T
(Sinch)
05/01/2024
21:21
05/01/2024
22:24
Delivery issues with a subset of 10DLC. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
(Sinch) 04/30/2024
19:01
04/30/2024
20:00
Delivery issues toward the United States. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
(Sinch) 04/30/2024
07:00
04/30/2024
11:00
Maintenance on US1 site. No traffic impact expected.
(Sinch) 04/29/2024
07:00
04/29/2024
11:00
Maintenance on CA2 site. No traffic impact expected.

T-Mobile Planned Maintenance

04/29/2024 07:00

 04/29/2024 11:00

Delivery degradation with inconsistent delivery times during maintenance window 

Verizon

04/26/2024 13:46

04/26/2024 15:08

Brief delivery degradation.

AT&T Mexico: Nextel & Iusacell (Infobip) 

04/23/2024 05:00

04/23/2024 12:00 

Technical maintenance. 

Verizon
(Infobip)

4/20/2024
19:00

4/20/24
19:30

Temporary delivery degradation towards Verizon Wireless .

ClearSky
(Infobip)

4/20/2024
12:12

04/21/2024
13:19

Degradation in SMS delivery; irregular delivery with inconsistent delivery times while sending towards the specified network.
(Sinch) 04/18/2024
08:00
04/18/2024
09:00
MMS platform maintenance. Messages will be rejected during restart of application for ~30 seconds at API end.
(Sinch) 04/18/2024
02:00
04/18/2024
05:00
Scheduled maintenance on network hub UK5. Expecting a ~10-minute period where clients may experience connectivity disruptions. Clients are recommended to connect to their alternate site for the duration of this maintenance. 
AT&T
(Sinch)
04/17/2024
15:59
04/17/2024
17:23 
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts. 
Altan [Mexico]
(Infobip)
04/09/2024
22:37
04/12/2024
15:05
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
(Infobip) 04/12/2024
11:16
04/12/2024
12:30
Problems in termination of SMS traffic towards certain carriers. Core SMS platform is unaffected by this issue and the majority of traffic has been re-routed to alternative solutions. A portion of traffic may experience degraded delivery.
T-Mobile
(Infobip)
04/12/2024
03:00
04/12/2024
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
T-Mobile, MetroPCS
(Infobip)
04/10/2024
20:05
04/10/2024
20:40
Irregular delivery with inconsistent delivery times while sending towards the specified network.
Telcel [Mexico]

04/10/2024
04:00
04/10/2024
06:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T
(Infobip)
04/08/2024
18:00
04/08/2024
19:40
Issues with delivery reports. Delivery of messages was not affected.
(Sinch) 04/08/2024
13:30
04/08/2024
15:44
Building queues for MMS MO traffic on the MMS platform, which may result in a delay for customers to receive their MO traffic.
SkyMobile [UK]
(Sinch)
04/08/2024
10:40
04/08/2024
12:10
Delivery degradation. 
Lycamobile [Germany]
(Sinch)
04/07/2024
09:29
04/07/2024
14:43
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
Freedom Mobile, Sasktel
(Sinch)
04/05/2024
07:07
04/05/2024
08:13
Delivery issues. Failed or delayed MT/MO/DRs.
AT&T
(Sinch)
04/04/2024
16:00
04/04/2024
21:40
Issues with delivery reports for a subset of short codes. Clients may experience missing delivery receipts/Late delivery receipts.
T-Mobile
(Infobip)
04/03/2024
01:30
04/03/2024
11:30
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Altan [Mexico]
(Infobip)
04/02/2024
23:36
04/05/2024
15:12
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
AT&T
(Sinch)
04/01/2024
05:00
04/01/2024
10:00
AT&T has informed Kaleyra that they will be performing maintenance to direct short code traffic to their new API on the date informed in this notification. Message latency may be experienced. Possible MO loss for less than 15 minutes may be experienced.
AT&T
(Sinch)
03/29/2024
03:00
03/29/2024
11:00
External maintenance. Delayed or failed Short Code and 10DLC MT/MO traffic. 
AT&T
(Sinch)
03/28/2024 
03:00
03/28/2024 
11:00
External maintenance. Delayed or failed Short Code and 10DLC MT/MO traffic. 
Telcel [Mexico]
(Infobip)
03/26/2024
04:00
03/26/2024
06:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Verizon
(Infobip)
03/26/2024
04:00
03/29/2024
10:00
Technical maintenance. No expected impact; Short Code senders may experience delivery degradation with inconsistent delivery times.
Telus [Canada]
(Infobip, Sinch)
03/26/2024
05:00
03/26/2024
08:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. Delayed or failed MT/MO traffic. 
Sinch 03/26/2024
06:00
03/26/2024
12:00
Maintenance by external supplier. Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States and Canada.
Sinch 03/26/2024
08:00
03/26/2024
09:00
Maintenance on platform MMS functions. No downtime expected. 
AT&T
(Sinch)
03/27/2024
03:00
03/27/2024
11:00
External maintenance. Delayed or failed Short Code MT/MO traffic. 
AT&T
(Infobip)
03/25/2024
05:00
03/25/2024
08:00
Delivery degradation with inconsistent delivery times during maintenance window. Messages sent before the migration window and have not received delivery report once maintenance starts will get an Expired delivery state. Delivery to handset will be unaffected.
AT&T
(Sinch)
03/25/2024
03:00
03/26/2024
11:00
External maintenance. Delayed or failed Short Code MT/MO traffic.  
AT&T [Mexico]
(Infobip)
03/23/2024
06:00
03/23/2024
09:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T
(Infobip)
03/21/2024
11:55
03/21/2024
12:25
Temporary delivery degradation. irregular delivery with inconsistent delivery times.
Sinch 03/21/2024
07:00
03/21/2024
11:00
SMSC software upgrade at US3 site. No traffic impact expected.
Sinch 03/19/2024
07:00
03/19/2024
11:00
SMSC software upgrade at US1 site. No traffic impact expected.
Sinch 03/18/2024
07:00
03/18/2024
11:00
SMSC software upgrade at CA2 site. No traffic impact expected.
AT&T Mexico
(Infobip)
03/17/2024
21:05
03/18/2024
16:58
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
AT&T Mexico
(Sinch)
03/17/2024
20:30
03/18/2024
01:55
General delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
Telefonica MX [Mexico]
(Sinch)
03/15/2024
15:56
03/16/2024
01:29
 Delayed or failed MTs & MOs.
3UK, Lycamobile [UK only]
(Sinch)
03/01/2024
00:00
03/14/2024
10:12
Unspecified delivery issues toward subscribers. Sinch has implemented a temporary workaround that should solve the issue while the network operators are working on a permanent fix.
ClearSky [multiple regionals]
(Infobip)
03/14/2024
09:13
03/14/2024
10:08
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
Interop: C Spire Wireless [Cellular South]
(Infobip)
03/14/2024
05:00
03/14/2024
09:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
All U.S. Carriers
(Sinch)
03/13/2024
20:00
03/14/2024
00:04
General delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
Sinch 03/13/2024
08:00
03/13/2024
09:00
Maintenance on MMS platform. US customers using MM4 will see messages queued for 15 seconds and processed post-platform restart.
Virgin Mobile Canada
(Sinch)
03/13/2024
07:00
03/13/2024
09:00
Site migration. Maintenance on connections to Virgin Mobile Canada. 
T-Mobile
(Infobip)
03/11/2024
01:00
03/11/2024
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Movistar/Pegaso PCS [Mexico]
(Infobip)
03/08/2024
14:36
03/08/2024
18:53
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
US Cellular
(Infobip)
03/07/2024
05:30
03/07/2024
06:30
Delivery degradation. Irregular delivery with inconsistent delivery times.
T-Mobile
(Infobip)
03/07/2024
02:00
03/07/2024
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
iconnectiv 03/07/2024
01:00
03/07/2024
03:00
Planned maintenance activity to the TruNumber Routing Query Service production site in New Jersey. Due to built-in redundancy no downtime of the system is expected.
Verizon, AT&T
(Infobip)
03/06/2024
07:20
03/06/2024
08:20
Irregular delivery with inconsistent delivery times.
US Cellular
(Sinch)
03/01/2024
08:51
03/01/2024
09:10
Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ClearSky: Intelliquent [Onvoy]
(Infobip)
02/27/2024
21:00
02/28/2024
01:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
T-Mobile
(Infobip)
02/28/2024
07:30
02/28/2024
13:30
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Freedom Mobile [Canada]
(ICFNext)
02/26/2024
05:00
02/26/2024
11:00
Maintenance by Freedom Mobile will cause "slight disturbances" on the IPsec VPN tunnel between Freedom Mobile and ICFNext. Messages could be delayed or lost during the maintenance window.
AT&T
(Sinch)
02/26/2024
02:59
02/26/2024
11:00
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ICFNext 02/26/2024
06:00
02/26/2024
09:00
Canada only. Brief disconnections toward the platform. SMPP and HTTPS will be affected.
AT&T
(Infobip)
02/26/2024
06:00
02/26/2024
09:00
Delivery degradation with inconsistent delivery times during maintenance window. Messages sent before the migration window and have not received delivery report once maintenance starts will get an Expired delivery state. Delivery to handset will be unaffected.
T-Mobile
(Infobip)
02/23/2024
06:00
02/23/2024
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Movistar, Pegaso PCS
[Mexico]
(Infobip)
02/22/2024
17:19
02/23/2024
15:33
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
AT&T
(Infobip)
02/22/2024
10:37
02/22/2024
20:38
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
AT&T
(Infobip)

02/21/2024
06:00

02/21/2024
09:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
T-Mobile
(Infobip)
02/16/2024
09:40
02/16/2024
12:00
Delivery degradation with inconsistent delivery times during maintenance window.
AT&T
(Infobip)
02/16/2024
03:00
02/16/2024
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Freedom Mobile [Canada]
(ICFNext)
02/16/2024
05:00
02/16/2024
11:00
Maintenance by Freedom Mobile will cause "slight disturbances" on the IPsec VPN tunnel between Freedom Mobile and ICFNext. Messages could be delayed or lost during the maintenance window. 
AT&T Mexico, Nextel & Iusacell
(Infobip)
02/09/2024
06:00
02/09/2024
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T Mexico, Nextel & Iusacell
(Infobip)
02/05/2024
18:00
02/06/2024
00:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T Mexico, Nextel & Iusacell
(Infobip)
02/06/2024
06:00
02/06/2024
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T
(Infobip)
02/06/2024
14:00
02/06/2024
16:00
Technical maintenance. No impact is expected; however, inconsistent delivery times might happen during this maintenance window.
All Carriers, U.S.
(Infobip)
02/05/2024
14:31
02/05/2024
14:57
Degradation affecting Voice and SMS HTTP, and SMPP requests, across all data centers. Submitted traffic may show pending or failing status.
All Carriers, U.S.
(Sinch)
02/05/2024
11:00
02/05/2024
13:06
Delayed delivery receipts.
All Carriers, U.S.
(Sinch)
02/02/2024
21:57
02/02/2024
22:32
Delayed MT's & Late delivery receipts.
Liberty Puerto Rico
(Infobip)
02/01/2024
15:27
02/02/2024
01:24
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
AT&T
(Infobip)
01/30/2024
14:00
01/30/2024
16:00
Technical maintenance. No impact is expected; however, inconsistent delivery times might happen during this maintenance window.
Liberty Puerto Rico
(Infobip)
Unknown 01/30/2024
22:00
Delivery degradation, cause unknown.
AT&T Mexico, Nextel & Iusacell
(Infobip)
01/27/2024
06:00
01/27/2024
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
T-Mobile
(Sinch)
01/26/2024
15:59
01/26/2024
21:56
Unspecified delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ClearSky: Inteliquent/
Onvoy
(Infobip)
01/25/2024
01/24/2024
01/23/2024
05:00
01/25/2024
01/24/2024
01/23/2024
09:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T Mexico
(Sinch)
01/24/2024
06:20
01/24/2024
09:55
Delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
AT&T Mexico, Nextel & Iusacell
(Infobip)
01/24/2024
06:00
01/24/2024
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
T-Mobile
(Infobip)
01/24/2024
03:53
01/24/2024
04:40
Irregular delivery with inconsistent delivery times while sending towards the specified network.
U.S. Cellular
(Sinch)
01/23/2024
05:25
01/23/2024
06:03
Delivery issues. Delayed MT's/Late delivery receipts.
U.S. Cellular
(Infobip)
01/21/2024
06:00
01/21/2024
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T Mexico, Nextel & Iusacell
(Infobip)
01/17/2024
23:09
01/18/2024
17:20
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
AT&T
(Infobip)
01/18/2024
04:00
01/18/2024
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
T-Mobile
(Infobip)
01/18/2024
04:00
01/18/2024
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T Mexico, Nextel & Iusacell
(Infobip)

01/17/2024
04:00

01/17/2024
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T
(Infobip)
01/17/2024
04:00
01/17/2024
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Google Voice
(Infobip)
Unknown 01/16/2024
08:43
Delivery degradation with inconsistent delivery times.
AT&T
(Infobip)
01/16/2024
07:00
01/16/2024
08:20
Delivery degradation with inconsistent delivery times.
Verizon
(Infobip)
01/16/2024
05:00
01/16/2024
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Infobip 01/16/2024
07:00
01/16/2024
10:00
Upgrade and optimization of networking equipment. 
Connectivity interruptions of up to 15 minutes are possible toward services hosted on Infobip's United States Data Center during the activity interval.
AT&T Mexico, Nextel & Iusacell
(Infobip)
Unknown 01/13/2024
19:05
Delivery degradation with inconsistent delivery times.
U.S. Cellular
(Sinch)
01/11/2024
05:35
01/11/2024
09:35
Unspecified delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
U.S. Cellular
(Infobip)
Unknown 01/11/2024
12:03
Unspecified delivery degradation.
Appalachian Wireless, ATNI, Bandwidth.com CLEC, Blue Wireless, Brightlink Communications, Cellular One of NE Arizona, Chariton Valley Cellular, Inteliquent, Nemont, Pine Cellular, Pioneer, United Wireless
(Infobip)
Unknown 01/09/2024
12:27
Unspecified delivery degradation.
Verizon
(Sinch)
01/05/2024
19:36
01/05/2024
22:17
Unspecified delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
Telefonica Mexico
(Sinch)
12/29/2023
22:30
12/30/2023
04:57
Unspecified delivery issues. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
U.S. Cellular, USA - Landline and Other Carriers
(Infobip)
12/14/2023
17:54
12/14/2023
21:17
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
Infobip 12/14/2023
04:00
12/14/2023
08:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
T-Mobile
(Infobip)
12/12/2023
08:05
12/12/2023
08:45
Irregular delivery with inconsistent delivery times. 
Freedom Mobile [Canada]
(Infobip)
12/12/2023
06:00
12/12/2023
07:00
Technical maintenance. Possible delay in delivery during maintenance window.
ClearSky/
Zipwhip
(Infobip)
12/12/2023
07:00
12/12/2023
09:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Interop: Union Cellular; Viaero Wireless; Dish Wireless
(Infobip)
12/09/2023
20:53
12/10/2023
03:10
Delivery degradation. 
Infobip 12/07/2023
04:00
12/07/2023
08:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Telus [Canada]
(Infobip)
12/06/2023
22:22
12/06/2023
22:54
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
Sinch 12/06/2023
05:05
12/06/2023
05:44
Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
Sinch 11/27/2023
15:00
11/28/2023
13:09
Canada only. Delayed MT's & late delivery receipts.
Verizon
(Sinch)
11/27/2023
18:18
11/28/2023
05:43
Delayed MMS MT messages.
Sinch 11/27/2023
16:10
11/27/2023
18:33
Delayed transcoded MMS.
U.S. Cellular
(Infobip)
11/25/2023
07:00
11/25/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
T-Mobile
Verizon
(Sinch)
11/24/2023
18:00
11/25/2023
02:00
Delayed MMS MTs and/or delayed delivery receipts.
AT&T
(Sinch)
11/23/2023
15:59
11/23/2023
18:11
Missing delivery receipts/Late delivery receipts.
Infobip 11/06/2023
08:49
11/23/2023
15:31
Error in SMS processing to the endpoint /sms/1/text/query. The issue affects URL shortening, receiving delivery reports and process tracking.
ICF Next 11/22/2023
06:00
11/22/2023
09:00
Canada only. Brief disconnections toward the platform. SMPP and HTTPS will be affected.
Rogers
Fido
(Sinch)
11/21/2023
16:55
11/21/2023
23:15
Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
AT&T
(Sinch)
11/20/2023
16:00
11/21/2023
18:08
Slightly decreased delivery rates on some MT messages via Short Codes.
Infobip 11/20/2023
12:00
11/21/2023
07:43
Degradation of SMS service; messages rejected. Multiple regions affected.
Sinch 11/20/2023
15:50
11/20/2023
17:14
Delays or rejections on some MT messages for SMS and MMS. Multiple regions affected.
Rogers
Fido
(Sinch)
11/16/2023
22:43
11/17/2023
02:35
Canada only. Failed MTs/Delayed MTs/Delayed MOs/Late delivery receipts.
T-Mobile
(Infobip)
11/16/2023
04:00
11/16/2023
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
T-Mobile
(Infobip)
11/15/2023
04:00
11/15/2023
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
ICF Next 11/15/2023
06:00
11/15/2023
08:00
Brief disconnections toward the platform. SMPP and HTTPS will be affected.
Infobip 11/14/2023
17:46
11/14/2023
18:51
Delayed processing over HTTP API and SMPP traffic.
Infobip 11/09/2023
04:00
11/09/2023
08:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
T-Mobile
(Infobip)
11/09/2023
04:00
11/09/2023
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
AT&T
(Infobip)
11/09/2023
01:34
11/09/2023
03:00
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
Rogers/Fido
(ICF Next)
11/08/2023
19:59
11/09/2023
00:14
Disconnection from carrier. Messages might be delayed or rejected until carrier can re-establish the connection.
Multiple Carriers*
(Infobip)
11/07/2023
08:32
11/08/2023
18:50
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
*Altice (Aerialink); Appalachian Wireless (East Kentucky Network); ATNI (Commnet Wireless & Choice Wireless); Bandwidth.com CLEC (Pinger); Blue Wireless (Buffalo-Lake Erie Wireless Systems Co); Brightlink Communications; Cellular One of NE Arizona (Smith Bagley); Chariton Valley Cellular; Inteliquent (Onvoy, Enflick, TextMe); Nemont (Sagebrush Cellular); Pine Cellular; Pioneer (Cellular Network Partnership); Telnyx 
United Wireless; Other Supported Carriers
T-Mobile
(Infobip)
11/08/2023
04:00
11/08/2023
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
T-Mobile
(Infobip)
11/07/2023
06:00
11/07/2023
12:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
Sinch 11/03/2023
15:59
11/04/2023
02:27
Canada only. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
T-Mobile
(Infobip)
11/03/2023
05:00
11/03/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
AT&T
(Sinch)
11/02/2023
16:00
11/02/2023
22:24
Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
ClearSky: Appalachian Wireless/Altice
(Infobip)
10/31/2023
16:21
11/02/2023
10:04
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
Infobip 11/02/2023
03:00
11/02/2023
07:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
AT&T
(Sinch)
11/02/2023
07:00
11/02/2023
08:00
Platform upgrade. AT&T performing upgrades and improvements to core messaging services and capacity.
T-Mobile
(Infobip)
11/02/2023
11/01/2023
03:00
11/02/2023
11/01/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
Sinch 11/01/2023
13:07
11/02/2023
00:55
Delivery issues toward Canada. Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.
Verizon
T-Mobile
AT&T
(Infobip)
10/27/2023
12:45
10/27/2023
01:34
Delivery degradation. Irregular delivery with inconsistent delivery times.
T-Mobile
(Infobip)
10/30/2023
10/27/2023
10/26/2023
03:00
10/30/2023
10/27/2023
10/26/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
ICFNext 10/25/2023
05:00
10/25/2023
09:00
Brief disconnections toward the platform SMPP and HTTPS will be affected.

Verizon
(Infobip)

10/25/2023
04:00
10/25/2023
05:00
Delivery degradation with inconsistent delivery times during maintenance window. Messages sent before the migration window which have not received delivery report once the maintenance starts will get Expired delivery state. Delivery to handset will be unaffected.
T-Mobile
(Infobip)
10/23/2023
03:00
10/23/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
AT&T
(Infobip)
10/18/2023
16:28
10/18/2023
19:41
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held waiting for the connection to be restored is susceptible to validity period settings.
AT&T
(Infobip)
10/18/2023
10/17/2023
03:00
10/18/2023
10/17/2023
10:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
AT&T
(Infobip)
10/16/2023
15:49
10/16/2023
18:03
Delivery degradation with inconsistent delivery times. Traffic held on the Infobip system is susceptible to validity period settings. 
AT&T
(Sinch)
10/19/2023
10/16/2023
10/18/2023
07:00
10/19/2023
10/16/2023
10/18/2023
08:00
Platform upgrade. AT&T performing upgrades and improvements to core messaging services and capacity.
T-Mobile
(Infobip)
10/16/2023
03:00
10/16/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
T-Mobile
(Infobip)
10/13/2023
05:00
10/13/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
Sinch 10/12/2023
09:00
10/12/2023
11:00
MMS platform maintenance. Expect 45 minutes of downtime. Messages sent during the window will be accepted and queued until maintenance has been completed.
T-Mobile
(Infobip)
10/12/2023
03:00
10/12/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
Google Voice
(Sinch, Infobip)
10/11/2023
23:12
10/12/2023
02:42
Delivery issues. Clients may experience delayed/rejected/failed Short Code MT traffic towards Google Voice.
T-Mobile
(Infobip)
10/11/2023
05:00
10/11/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. 
T-Mobile
(Infobip)
10/04/2023
04:00
10/04/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
ICFNext 10/04/2023
04:00
10/04/2023
06:00
Brief disconnections toward the platform SMPP and HTTPS will be affected.
AT&T
(Sinch)
10/04/2023
10/05/2023
10/02/2023
all 07:00
10/04/2023
10/05/2023
10/02/2023
all 08:00
Platform upgrade. AT&T performing upgrades and improvements to core messaging services and capacity.
Sinch 10/05/2023
09:00
10/05/2023
11:00
US Short code and 10DLC maintenance. Mobile Terminating (MT) Traffic: Clients may experience intermittent rejected MT messages to US MSISDNs. 
Sinch 10/04/2023
08:00
10/04/2023
11:00

Scheduled maintenance; MMS US, MMS AU. Messages will be Queued and will be processed post upgrade.

Note: SBT recommends that our clients not send messages during this maintenance period. Customers/Subscribers who have opted out may still receive messages due to their opt-out message's queueing status.

AT&T
(Infobip)
10/03/2023
02:00
10/03/2023
09:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
US Cellular
(Sinch)
10/03/2023
04:37
10/03/2023
12:00
Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
T-Mobile
(Infobip)
09/29/2023
15:00
09/29/2023
16:30
Irregular delivery with inconsistent delivery times when sending to this network within the specified time window.
AT&T
(Infobip)
09/28/2023
09/29/2023
03:00
09/28/2023
09/29/2023
09:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
T-Mobile
(Infobip)
09/27/2023
05:00
09/27/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
ICFNext 09/27/2023
05:00
09/27/2023
07:00
Brief disconnections toward the platform.
AT&T
(Infobip)
09/25/2023
07:30
09/25/2023
10:30
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. Messages sent before the migration window which have not received a delivery report once the maintenance starts will receive an Expired delivery state. However, delivery to handset will be unaffected. 
T-Mobile
(Infobip)
09/25/2023
05:00
09/25/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T
(Infobip)
09/20/2023
18:16
09/21/2023
05:02
Irregular delivery with inconsistent delivery times while sending towards the specified network. Traffic held on the Infobip platform, waiting for the connection to be restored, is susceptible to validity period settings.
T-Mobile
(Infobip)
09/20/2023
05:00
09/20/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T
(Infobip)
09/20/2023
07:30
09/20/2023
10:30
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window. Messages sent before the migration window which have not received a delivery report once the maintenance starts will receive an Expired delivery state. However, delivery to handset will be unaffected. 
AT&T
(Infobip)
09/13/2023
07:30
09/13/2023
10:30
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Verizon
(Infobip)
09/12/2023
04:00
09/15/2023
06:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T
(Infobip)
09/11/2023
07:00
09/11/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.
Freedom
Saskatel
(Sinch)
09/09/2023
18:39
09/09/2023
21:45
Network disturbance caused SMS issues in the US and Canada.
Rogers Wireless
Fido
(Sinch)
09/07/2023
14:13
09/07/2023
17:40
Delivery issues; delayed MT's/delayed MO's/missing delivery receipts/late delivery receipts. 
ClearSky
(Infobip)

09/01/2023
20:27

09/01/2023
21:35

Temporary delivery degradation.

Sinch

8/14/2023
00:00

9/01/2023
00:00

The DI SMS 365 HTTP and DI SMS 365 SMPP services will be shut down permanently.

More info: Sinch Status Alert Page

Sinch 08/31/2023
17:51
08/31/2023
18:04
Degradation of U.S. and Canada sites.

ICFNext

8/30/2023
06:00
8/30/2023
10:00
Platform maintenance. SMPP & HTTPS affected by possible disconnections.

US Cellular
(Sinch)

08/29/2023
17:08
08/29/2023
20:34
Undefined delivery issues.
US Cellular
(Infobip)
08/29/2023
05:00
8/29/2023
10:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.

AT&T
(Infobip)

09/01/2023
08/31/2023
08/30/2023
08/29/2023
08/28/2023
03:00

09/01/2023
08/31/2023
08/30/2023
08/29/2023
08/28/2023
09:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.

Sinch

08/27/2023
17:07
08/27/2023
17:40
Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

Sinch

08/25/2023
16:00
08/25/2023
19:30
Delayed and/or missing delivery reports.

AT&T 
Sprint
T-Mobile
US Cellular
Verizon
Canadian Carriers
Tier 2 and 3 Carriers
(Infobip) 

08/03/2023
08/10/2023
08/17/2023
08/23/2023
08/24/2023
08/25/2023
all 03:00
08/03/2023
08/10/2023
08/17/2023
08/23/2023
08/24/2023
08/25/2023
all 07:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.

AT&T 
Sprint
T-Mobile
US Cellular
Verizon
Canadian Carriers
Tier 2 and 3 Carriers
(Infobip) 

08/03/2023
08/10/2023
08/17/2023
08/24/2023
08/31/2023
all 03:00
08/03/2023
08/10/2023
08/17/2023
08/24/2023
08/31/2023
all 07:00
Zipwhip performing technical maintenance.
Sinch

08/18/2023
17:01

08/18/2023
18:07

REST API, intermittent issues (US region).

Multiple Carriers
(Sinch)

08/17/2023
17:01
08/17/2023
18:03
Delayed MT's/Failed MT's/Delayed MO's/Late delivery receipts.

AT&T 
T-Mobile
Verizon
Sprint
TracFone
Visible
Boost
Virgin
(Infobip)

08/16/2023
00:00
Permanent Change Network mergers (Previously / Merged Into):
TracFone/ AT&T
Visible / Verizon 
Sprint (Boost CDMA) / T-Mobile 
Sprint (Boost Mobile) / T-Mobile 
Sprint (Virgin Mobile) / T-Mobile

T-Mobile
(Infobip) 

08/16/2023
05:00
08/16/2023
11:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.

AT&T Mobility
(Infobip) 

08/16/2023
03:00
08/16/2023
09:00
Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.

T-Mobile
(Sinch)

08/10/2023
15:59
08/10/2023
19:25
Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

T-Mobile
(Sinch)

08/09/2023
15:29
08/09/2023
16:17
Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts.

Claro Puerto Rico
(Infobip)

08/01/2023
20:53
08/02/2023
12:46
Delivery degradation; irregular delivery with inconsistent delivery times. Held traffic susceptible to validity period settings.

ICFNext

7/26/2023
06:00
7/26/2023
09:00
Platform maintenance. SMPP & HTTPS affected by possible disconnections.

Pine Cellular
(Infobip)

7/25/2023
15:00
7/25/2023
17:00
Internal network upgrade. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T Mobility
(Infobip)
7/24/2023
03:00
7/25/2023
03:00
7/26/2023
02:00
7/27/2023
03:00
7/28/2023
03:00
7/24/2023
09:00
7/25/2023
09:00
7/26/2023
07:00
7/27/2023
09:00
7/28/2023
09:00

Technical maintenance. Delivery degradation with inconsistent delivery times during maintenance window.

ICFNext

7/26/2023
06:00
7/26/2023
09:00
Platform maintenance. SMPP & HTTPS affected by possible disconnections.

Pine Cellular
(Infobip)

7/25/2023
15:00
7/25/2023
17:00
Internal network upgrade. Delivery degradation with inconsistent delivery times during maintenance window.
AT&T Mobility
(Infobip)
7/24/2023
13:50
7/25/2023
00:27

Increase in MMS traffic causing messages to queue; delays with MMS MT/MO delivery.

T-Mobile
(Infobip)
7/24/2023
01:00
7/24/2023
11:00

Delivery degradation with inconsistent delivery times during maintenance window.