IP Telephony and Phones

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My question is similar to https://community.cisco.com/t5/ip-telephony-and-phones/call-forward-to-multiple-external-numbers/td-p/3038017. However, my organization doesn't use SNR. So do you know another option for this that works on internal and exter...

clel by Level 1
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Hello, I added 7811 phone to the CME and gave him dn 55553 and I am trying to add a route pattern on CUCM that match just that phone but it can't accept it as 55553  It accepts only when I put 5555x but I am afraid to cause a problem or loop as I hav...

%SIP-3-INTERNAL: TCP_SOCKET_SEND_BLOCKED: connid= 1073, local_addr=, remote_addr=10.112.0.135, remote_port=5060 - All retries are exhausted, deleting pending messages Has anyone ever seen this specific error before in syslog? I couldn't find anythi...