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Cannot resume/end pstn call that has been placed on hold?
Hi All, A weird issue we've had when doing some testing on a tenant. They have direct routing in place with an Audiocodes vSBC and BT SIP trunks. If we place a call in from a mobile to a ...
I managed to resolve this issue by working with the SIP carrier, they hadn't approved Teams on their trunks so we had to start from scratch and now have a working config.
On our Audiocodes SBC I have the SIP Trunk IP profile set a specific way for hold and retrieve, see attached screenshot.
There is still a time delay when resuming a call but this is an MS issue that they are aware of.
