Carrier and SBT Platform Status Alerts

Status alerts for cellular carriers and the SBT platform

Current Alerts

Updated 23 February 2024, 10:53 CST (Dallas, TX; 16:53 UTC)

Carriers and Aggregators

Carrier
(Aggregator)
Start
(Date & UTC)
End
(Date & UTC) 
Notes/Impact
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.
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.
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.


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
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.
SBT Platform Alerts History

Platform/Event

Start
(Date & UTC)
End
(Date & UTC)
Notes/Impact
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
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.