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We have a single site deployment with calls to/from telephone numbers on the PSTN coming over a SIP trunk via a CUBE and SIP calls being routed via our expressway pair to/from the internet. We are experiencing a long delay for incoming SIP calls over...
I am setting up a unified comms system and have deployed two Cisco DX80's. Calling between the two provides audio but not video. I get a message on both that say the remote device does not support video. I have the same issue when calling externally ...