Please be informed that multiple US carriers will be performing maintenance on their SMS platforms per the below schedule:
Start: 3-July -2026 02:00 UTC
End: 3-July -2026 04:00 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 periodically unavailable or facing delays on the above carriers.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 26, 2026 - 19:35 UTC
To ensure platform stability, our upstream partner will conduct maintenance between 04/07/2026 20:00 UTC and 05/07/2026 09:30 UTC.
During this window, users may experience intermittent latency for Silent Authentication requests on the Telefonica network.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 30, 2026 - 09:20 UTC
On 06-July-2026 between 09:00 UTC and 10:30 UTC, AT&T operator will be performing technical maintenance on their MMS platform.
During this maintenance period, there may be Inbound and Outbound MMS delays and delivery receipt delays to subscribers of AT&T.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 17, 2026 - 19:42 UTC
Between 6-JUL-26 14:00 UTC and 6-JUL-26 15:00 UTC, we will be performing maintenance on our Cloud Runtime Services in the APAC region.
During this time, it may cause some minor issues with the service.
Posted on
Jun 29, 2026 - 15:07 UTC
On 6th July 2026 between 15:00 UTC and 19:30 UTC, the operator Softbank Japan will be performing maintenance on their SMS platform.
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
Jun 11, 2026 - 04:17 UTC
Between 06-July-2026 20:00 UTC to 07-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 - 19:59 UTC
To ensure platform stability, our upstream partner will conduct maintenance between 07-July-2026 01:00 UTC and 10-July-2026 02:00 UTC.
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
Jun 29, 2026 - 21:08 UTC
On 07-July-2026 between 09:00 UTC and 11:00 UTC, a subset of small networks will be performing maintenance on their platforms.
During the maintenance window, you may experience SMS Inbound, Outbound and Delivery receipt delays.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 28, 2026 - 08:00 UTC
On 07-July-2026 between 09:00 UTC and 11:00 UTC, ClearSky operator will be performing technical maintenance on their SMS platform.
During this maintenance period, there may be Inbound and Outbound SMS delays and delivery receipt delays to subscribers of ClearSky.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 28, 2026 - 06:53 UTC
Between 07-July-2026 22:00 UTC and 08-July-2026 03:00 UTC, Russian Mobile operator Beltelecom 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 - 12:03 UTC
Between 2026-07-08 00:00 UTC and 02:00 UTC, we will be performing maintenance towards AT&T in USA.
During the maintenance window, you may potentially experience delayed MMS message delivery towards the subscribers of AT&T USA.
SMS traffic will not be impacted.
Posted on
Jun 26, 2026 - 17:34 UTC
To ensure the continued reliability of our services, we are performing emergency internal maintenance on our Voice termination platform on 8th July 2026, 07:00 - 07:30 UTC
Impact: No customer impact is expected. During the maintenance window, a brief/transient disruption to outbound Voice traffic to multiple networks in France may occur.
We apologise in advance for any inconvenience this may cause. If you have any questions, please contact api.support.vonage.com
Posted on
Jul 02, 2026 - 18:31 UTC
On 8th July 2026 between 08:00 AM (UTC) and 9:30 AM (UTC), there will be a maintenance affecting USA and AU MMS.
During the maintenance window, you may experience MT, DLR and MO delays or failures for US and AU MMS.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 22, 2026 - 14:04 UTC
On 8th July 2026 between 15:00 UTC and 19:30 UTC, the operator Softbank Japan will be performing maintenance on their SMS platform.
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
Jun 11, 2026 - 04:18 UTC
Between 08-July-2026 20:00 UTC to 09-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 - 20:01 UTC
On 2026-Jul-9 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 - 23:56 UTC
We have been notified by our supplier that on 10-Jul-2026 between 15:00 and 20:00 UTC, the supplier will be performing maintenance on their platform.
During the maintenance window, you may experience call failure to/from our Japan long virtual numbers.
If you have any questions, please contact api.support.vonage.com
Posted on
May 22, 2026 - 06:05 UTC
On 12-July-2026 between 23:00 UTC and 13-July-2026 02:00 UTC, KPN Mobile operator will be performing technical maintenance on their SMS platform.
During this maintenance period, there may be Inbound and Outbound SMS delays and delivery receipt delays to subscribers of KPN Mobile.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 23, 2026 - 12:07 UTC
Between 13-July-2026 20:00 UTC to 14-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 - 20:04 UTC
On 13-July-2026 between 23:00 UTC and 14-July-2026 02:00 UTC, KPN Mobile operator will be performing technical maintenance on their SMS platform.
During this maintenance period, there may be Inbound and Outbound SMS delays and delivery receipt delays to subscribers of KPN Mobile.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 23, 2026 - 12:12 UTC
Between 15-July-2026 20:00 UTC to 16-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 - 20:06 UTC
Between 15th July 2026 between 22:00 UTC to 16th July 2026 07:00 UTC, the operator will be performing maintenance on their SMS platform towards subset of Italy LVNs.
During this maintenance period, we are not expecting any SMS delivery issue towards subset of Italy LVNs.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 25, 2026 - 13:13 UTC
On 2026-Jul-16 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 - 23:49 UTC
On 19-July-2026 between 23:00 UTC and 20-July-2026 02:00 UTC, KPN Mobile operator will be performing technical maintenance on their SMS platform.
During this maintenance period, there may be Inbound and Outbound SMS delays and delivery receipt delays to subscribers of KPN Mobile.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 23, 2026 - 12:15 UTC
Between 20-July-2026 20:00 UTC to 21-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 - 20:09 UTC
On 20-July-2026 between 23:00 UTC and 21-July-2026 02:00 UTC, KPN Mobile operator will be performing technical maintenance on their SMS platform.
During this maintenance period, there may be Inbound and Outbound SMS delays and delivery receipt delays to subscribers of KPN Mobile.
If you have any questions, please contact api.support.vonage.com
Posted on
Jun 23, 2026 - 12:17 UTC
On 21 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 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
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
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