IP Telephony and Phones

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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...


Please I have implemented SNR in CME. When the call ring in the mobile phone, I try to answer but I hear busy tone. here the config: ! voice register dn  1 snr 032122656 delay 0 timeout 60 cfwd-noan 150 snr calling-number local snr ring-stop Wht c...