Teams SIP Guest Join Fails for Teams Meetings with 15-Digit IDs
Incident Lifecycle
Incident Timeline
Monitoring
A fix has been implemented for the issue. Teams Guest Join calls with 15-digit meeting IDs should now connect successfully.
Customers running the "Pexip Ad Hoc Join for Teams on Cisco endpoints" (https://help.pexip.com/macros/ad-hoc-join-teams.htm) need to update the msteams-macro-settings.js file to ensure the regex supports meeting IDs longer than 14 digits.
Customers running the "Pexip Ad Hoc Join for Teams on Cisco endpoints" (https://help.pexip.com/macros/ad-hoc-join-teams.htm) need to update the msteams-macro-settings.js file to ensure the regex supports meeting IDs longer than 14 digits.
Mar 30, 2026 at 1:05 PM UTC
Investigating
We are currently investigating an issue where Teams SIP Guest Join calls fail to connect when using 15-digit meeting IDs. Users attempting to join these meetings from SIP devices, Zoom, or Google Rooms may fail to connect.
Mar 30, 2026 at 12:47 PM UTC
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