We have been notified by our suppliers about MMS latency to and from AT&T network for a subset of US Long Codes and Toll-Free Numbers
The carrier is aware of this issue and investigating the root cause. We will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
August 2026
USA SMS - Delivery/MT receipt degradation affecting a subset of Short Codes to T-mobile
A fix has been implemented and we are monitoring the results.
investigating
We are continuing to investigate this issue.
investigating
We have been notified about an issue impacting SMS messages for a subset of short codes for T-mobile USA. You may experience potential delay in delivery & delivery receipts for a subset of short codes to/from T-mobile networks in the US.
We will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
India - multiple networks - MULTIPLE CHANNEL PROCESSING DEGRADATION
A fix has been implemented and we are monitoring the results.
investigating
We have been notified about an issue impacting voice calls to multiple networks. You may experience intermittent call disconnects or call failures.
We will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com.
France Silent Authentication - Service degradation affecting Bouygues Telecom
A fix has been implemented and we are monitoring the results.
investigating
We are currently experiencing degradation of the Silent Authentication service, which is affecting the Bouygues Telecom network.
We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.
Please contact support@api.vonage.com if you have any questions.
Legacy Incident Archive
214 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
July 2026
China SMS - Delivery degradation of Pre-Registered brands toward China Mobile
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
Please be advised that we are observing SMS delivery degradation for domestic pre-registered brands towards China.
We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
June 2026
Nigeria SMS - Delivery Degradation towards MTN
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We observed SMS delivery degradation towards Nigeria-MTN network. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
Austria SMS - Delivery Degradation affecting T-mobile
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently observing SMS delivery degradation towards T-Mobile network in Austria.
We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.
Please contact support@api.vonage.com if you have any questions.
Israel SMS - Delivery degradation towards Pelephone network
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are observing SMS delivery degradation towards Pelephone network in Israel.
We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
UK SMS - Delivery receipt degradation affecting multiple networks
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We have been notified about an issue impacting SMS messages to multiple networks. You may experience missing or delayed delivery receipts when sending to multiple networks in the UK.
We will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com.
UK SMS - Delivery degradation towards Vodafone network
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently observing SMS delivery degradation towards Vodafone network. You may experience missing and delayed messages and delivery receipts for outbound messages.
We are monitoring closely to resolve the issue and will provide update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
UK SMS - Delivery degradation towards Lycamobile network
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently observing SMS delivery degradation towards Lycamobile network. You may experience missing and delayed messages and delivery receipts for outbound messages.
We are monitoring closely to resolve the issue and will provide update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
China SMS - Delivery degradation of Pre-Registered brands
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
Please be advised that we are observing SMS delivery degradation for domestic pre-registered brands towards China.
We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
UK SMS - Delivery degradation towards Lycamobile network
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently observing SMS delivery degradation towards Lycamobile network. You may experience missing and delayed messages and delivery receipts for outbound messages.
We are monitoring closely to resolve the issue and will provide update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
Nigeria SMS - Delivery Degradation towards MTN network
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently observing SMS delivery degradation towards Nigeria-MTN network.
We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
