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Dan____'s avatar
Dan____
Brass Contributor
May 29, 2020

Outgoing calls from teams dropped

All outgoing calls are being dropped after about 10 seconds of silence with Q.850 ;cause=22 being returned to the SBC and the following error displayed to the user: It only happens in one of o...
  • Dan____'s avatar
    Jun 12, 2020

    In case anyone comes across this post in future, it turned out to be a firewall issue whereby one of the MSFT servers was blocked, but this did not affect the regular Teams usage at all only PSTN it also didn't effect the Teams web client

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