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DWFL1's avatar
DWFL1
Brass Contributor
Sep 06, 2022

Merged calls dropping

I am testing the merge call feature and have a scenario where the original called member of the merged call gets dropped.

 

  • Party A (PSTN) calls party B (Teams)
  • Party B answers and then performs a consultative transfer to party C (Teams)
  • Party A performs the call merge and A, B and C are connected.
  • After about 1 minute party A is dropped from the call and party B & C remain connected.

 

The same test done where the call is merged with another PSTN number instead of a Teams user works fine.

 

On my initial test there was a BYE message from Teams > SBC > PSTN saying "Removing modality controller as the conversation has ended " and with all subsequent tests the BYE is sent from the PSTN > SBC > Teams.

 

I tested with two different SBCs (AudioCodes & Oracle) connected to the same Teams tenant and both have the same behavior.

 

Administrator
calling
microsoft teams

3 Replies

  • RealTime_M365's avatar
    RealTime_M365
    MVP
    Sep 07, 2022
    Hi,

    Can you check one thing on the licensing front if the we have the Microsoft Teams Audio Conferencing license assigned to the account?

    Additionally in which location/country are trying to test the services?

    With Regards,
    Satish U
    • DWFL1's avatar
      DWFL1
      Brass Contributor
      Sep 07, 2022
      I was able reproduce this in two other customer tenants so it seems like this an issue on the service side. I've opened case with Microsoft to assist.
    • DWFL1's avatar
      DWFL1
      Brass Contributor
      Sep 07, 2022
      The Teams accounts have E5 with audio conferencing enabled, the tenant and accounts are in the USA region.

      When the call drops, Teams displays a pop up message saying "We ran into a problem, try again in a few minutes"