I'm trying to use an Snom 760 IP phone on our SV8100 v6.0. The phone registers correctly and allows incoming/outgoing calls. However... I can't get the message waiting lamp to turn on indicating voicemail. The problem seems to stem from the NEC's response to the SIP NOTIFY as seen below. Is...
If it's not too late, here's what works for us:
The phone was able to register by setting a phone software config:
Support broken registrar: on
That solved the register problem. This solved the incoming call to the phone problem:
Turn on Offer ICE: on
Stefan.
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