IP Telephony and Phones

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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...

I have a Cisco CP-7841 and trying to create a "forward all" option on the softkeys.  I have tried to modify the button items but it won't allow me to save the changes.  I have added an attachment to show that it's currently option 21.

ctalavat by Level 1
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  • 2 replies
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Good day,I am pretty new to CUCM, and am trying to figure out how to block ALL outbound calls for a single DN - essentially make it so the phone assigned to that DN can only receive calls. I've played around with CSS/Partitions as I think the solutio...

jello by Level 1
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  • 4 replies
  • 0 Helpful votes

                   I have a Cisco CP-8831 conference phone and CUCM 9.1. I have added and applied the firmware and related files to CUCM cluster and the system does recognize 8831. I add the phone and the phone is receiving all needed TFTP, CTL infor...

I'm adding a 2nd SIP trunk to SBC/CUBE and am testing with the Test DID. I have outbound calls working but not inbound...I never see the INVITE because I'm not sending SIP 200 OKs in response to the carrier's SIP OPTIONS PING. What do I need in the C...

IP phones not registering to new server after changing the order in cucm group.All the IP phones were registered to Server 1 (old subscriber ). After adding a new subscriber Server 2, we planned to register half of the phones to the new subscriber. H...