Between 2026-07-22 02:00 UTC and 12:00 UTC, supplier will be performing maintenance towards T-Mobile in USA.
During the maintenance window, clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US for SMS and MMS
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 20, 2026 - 20:51 UTC
Please be informed that multiple US carriers will be performing maintenance on their SMS platforms per the below schedule:
Start: 22-July -2026 03:00 UTC
End: 22-July -2026 05:00 UTC
Impacted Carriers: ACS/Alaska, Carolina West, Cellcom, Cellsouth/cSpire, Copper Valley LRA, Cross Wireless, DISH Wireless, GCI, Inland Cellular, James Valley, Nex-Tech Wireless, Panhandle Telecommunications, Pine Belt Cellular, Pine Cellular, SouthernLINC, Union Wireless, Viaero Wireless
During the maintenance window there may be times of messaging being queued, periodically unavailable or facing delays on the above carriers.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 16, 2026 - 14:25 UTC
Please be informed that a subset of small carriers in the US will be performing maintenance on their SMS platforms per the below schedule:
Start: 2026-07-22 03:00 UTC
End: 2026-07-22 09:00 UTC
During the maintenance window, there could be intermittent delays delivering SMS to small US carriers handsets.
This scheduled maintenance affects: CARRIER NETWORK (SMS Long Code, North America, SMS Short Code, North America, SMS Toll-Free, North America) and ZIPWHIP MESSAGING (SMS Long Code, North America, SMS Toll-Free, North America).
Posted on
Jul 16, 2026 - 00:29 UTC
On 22-July-2026 between 17:00 UTC and 19:00 UTC, the operator XL will be performing maintenance on their SMS platform.
During this maintenance period, there may be difficulties delivering messages to subscribers of this operator.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 21, 2026 - 05:30 UTC
Between 22-July-2026 20:00 UTC to 23-July-2026 00:00 UTC, Russian Mobile operator Tele2 will be performing maintenance on their SMS platform.
During this maintenance period, there may be difficulties in delivering messages to subscribers of this operator.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 30, 2026 - 20:11 UTC
On 2026-Jul-23 between 03:00 UTC and 07:00 UTC, the supplier will be performing maintenance on their platform, affecting SMS and MMS sent from/to Toll-Free numbers in the US and CA.
During the maintenance window, you may experience SMS and MMS Inbound, Outbound, and Delivery receipt delays.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 01, 2026 - 23:50 UTC
On 23rd-July-2026 between 08:00 UTC to 10:00 UTC, Bouygues Telecom operator will be performing technical maintenance on their SMS platform.
During this maintenance period, there could be intermittent delays delivering SMS to handsets of Bouygues Telecom.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 10, 2026 - 09:02 UTC
Between 23-July-2026 20:00 UTC and 24-July-2026 00:00 UTC, Russian Mobile operator Megafon will be performing maintenance on their SMS platform.
During this maintenance period, there may be difficulties in delivering messages to subscribers of this operator.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 17, 2026 - 15:23 UTC
Between 2026-07-24 02:00 UTC and 10:30 UTC, supplier will be performing maintenance towards T-Mobile in USA.
During the maintenance window, clients may experience delayed or failed Short Code and 10DLC MT/MO traffic towards T-Mobile US for SMS and MMS
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 21, 2026 - 20:28 UTC
On 26-July-2026, between 07:00 and 11:00 UTC, AT&T network will be performing a planned maintenance on their SMS platform.
During the maintenance window you may potentially experience SMS latency for messages sent to and from subscribers of the AT&T network, including delivery receipts.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 21, 2026 - 13:01 UTC
We have been notified by our partners that between 19:00 (UTC) and 21:00 (UTC) on 26-July-2026, a planned maintenance will be performed affecting Philippines Globe Telecom network.
During the maintenance window, you may experience delivery degradation towards the Globe subscribers.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 06, 2026 - 08:58 UTC
Between 09:00 and 12:00 (UTC) on the 27th of July 2026, one of our suppliers will be performing maintenance on their MMS platform.
During the maintenance window, you may experience MMS Inbound, Outbound and Delivery receipt delays. In the unlikely event of a disruption to the service, messages will be queued by the carrier for delivery once the maintenance has been completed.
If you have any questions please contact api.support.vonage.com
Posted on
Jul 14, 2026 - 19:49 UTC
Between 27th July 2026, 20:00 UTC and 28th July 2026, 02:00 UTC , the supplier will be performing maintenance on their SMS platform which will affect the SMS services towards the operator Etisalat UAE.
During this maintenance period, there may be SMS delivery delays to subscribers of this operator.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 10, 2026 - 14:33 UTC
We have been notified by our partners that between 27-July-2026 20:00 (UTC) and 28-July-2026 02:00 (UTC), a planned maintenance will be performed affecting Philippines Globe Telecom network.
During the maintenance window, you may experience delivery degradation towards the Globe subscribers.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 11, 2026 - 06:44 UTC
Between 27-July-2026 20:00 UTC to 28-July-2026 00:00 UTC, Russian Mobile operator Tele2 will be performing maintenance on their SMS platform.
During this maintenance period, there may be difficulties in delivering messages to subscribers of this operator.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 30, 2026 - 20:13 UTC
To ensure platform stability, our upstream partner will conduct maintenance on 28-07-2026 starting at 02:00 AM UTC for 48 hours.
During this window, users may experience intermittent latency for Silent Authentication requests on the AT&T network.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 18, 2026 - 00:45 UTC
Between 2026-07-28 03:00 UTC to 2026-07-29 10:00 UTC, supplier will be performing maintenance towards Verizon in USA.
During the maintenance window, clients may experience intermittent delays delivering SMS to handsets.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 21, 2026 - 00:09 UTC
On 28-July-2026 between 05:00 UTC and 07:00 UTC, ClearSky operator will be performing technical maintenance on their SMS platform.
During this maintenance period, the connection to the Clearsky network will be periodically unavailable. Message delivery and processing times may be impacted.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 28, 2026 - 18:04 UTC
Please be informed that a subset of small carriers in the US will be performing maintenance on their SMS platforms per the below schedule:
Start: 2026-07-28 09:00 UTC
End: 2026-07-28 11:00 UTC
During the maintenance window, there could be intermittent delays delivering SMS to small US carriers handsets.
This scheduled maintenance affects: CARRIER NETWORK (SMS Long Code, North America, SMS Short Code, North America, SMS Toll-Free, North America) and ZIPWHIP MESSAGING (SMS Long Code, North America, SMS Toll-Free, North America).
Posted on
Jul 16, 2026 - 23:19 UTC
Between 29-July-2026 20:00 UTC to 30-July-2026 00:00 UTC, Russian Mobile operator Tele2 will be performing maintenance on their SMS platform.
During this maintenance period, there may be difficulties in delivering messages to subscribers of this operator.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 29, 2026 - 20:00 UTC
On 2026-Jul-30 between 03:00 UTC and 07:00 UTC, the supplier will be performing maintenance on their platform, affecting SMS and MMS sent from/to Toll-Free numbers in the US and CA.
During the maintenance window, you may experience SMS and MMS Inbound, Outbound, and Delivery receipt delays.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 01, 2026 - 23:51 UTC
On 30 July 2026 between 04:00 and 06:00 (UTC), there will be a maintenance affecting AT&T MMS connectivity.
During the maintenance window, customers may experience a loss of MMS delivery receipts. In addition, MMS MT traffic destined for AT&T devices may be delayed or fail.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 02, 2026 - 19:30 UTC
Between 2026-08-06 03:00 UTC and 07:00 UTC, supplier will be performing maintenance towards United States and Canada.
During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to United States and Canada handsets when sending via subset of long codes and short codes.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 07, 2026 - 03:04 UTC
Between 2026-08-13 03:00 UTC and 07:00 UTC, supplier will be performing maintenance towards United States and Canada.
During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to United States and Canada handsets when sending via subset of long codes and short codes.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 07, 2026 - 04:20 UTC
To ensure platform stability, our upstream partner will conduct maintenance from 18-08-2026 at 05:30 UTC to 18-08-2026 at 09:30 UTC.
During this maintenance period, there may be intermittent service interruptions affecting Silent Authentication for the following operators:
Orange Spain.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 20, 2026 - 23:42 UTC
Between 2026-08-20 03:00 UTC and 07:00 UTC, supplier will be performing maintenance towards United States and Canada.
During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to United States and Canada handsets when sending via subset of long codes and short codes.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 07, 2026 - 03:22 UTC
Between 2026-08-26 03:00 UTC and 07:00 UTC, supplier will be performing maintenance towards United States and Canada.
During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to United States and Canada handsets when sending via subset of long codes and short codes.
If you have any questions, please contact api.support.vonage.com
Posted on
Jul 07, 2026 - 03:28 UTC