Callers may be unable to reach Microsoft Teams users

Update timeline

1. investigating Sep 27, 2023, 05:34 AM UTC

   Telesmart would like to inform you that Microsoft are currently experiencing a partial outage that is affecting PSTN calling to Microsoft Teams users. Our technical team is monitoring the situation as it develops and as we receive updates from Microsoft. Estimated time of resolution: To be determined Next communication: 30 minutes

2. identified Sep 27, 2023, 09:21 AM UTC

   Update from Microsoft: Title: Users may intermittently be unable to reach resource accounts that use first-party or third-party voice and chat apps User impact: Users may intermittently be unable to reach resource accounts that use first-party or third-party voice and chat apps. More info: The issue affects Microsoft Teams resource accounts that use first-party or third-party voice and chat apps. The impact includes, but isn't limited to the following: - External Public Switched Telephone Network (PSTN) calls to Microsoft Teams resource accounts that use third-party voice applications. - Calls to auto attendants and call queues. - Placing calls on hold (music isn't heard). - The Microsoft Teams conversation bot may not respond to users and one-on-one conversations. Current status: Our investigation into the root cause has so far been inconclusive. However, we're in the process of reverting back to a previous service version and after which, we'll review system logs to confirm if impact is still present. Scope of impact: This event may intermittently affect Microsoft Teams resource accounts that use first-party or third-party voice and chat apps.

3. resolved Sep 28, 2023, 01:57 AM UTC

   Our technical team are happy that this issue is now completely resolved after a period of monitoring showed no further issues. If you continue to experience issues please contact our service desk on 0800 835 376 or [email protected]