IP Telephony and Phones

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Hello, We are currently using a Be6000 system and when we schedule a call forwarding on our phones (model 7945) to external numbers, it works perfectly when the original call comes from an internal position, but when it is an external call then this ...

call forwarding.png
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Hello Friends, getting the below error while tracing SIP Logs.. not sure what is the issue.. sip/2.0 503 service unavailable reason q.850 cause=47 and SIP/2.0 500 Internal Server Error Reason: Q.850;cause=63 HQ CUCM- publisher and subscriber- Ext...