I an trying to setup a new Cisco 7821 to use an existing external SIP account. The phone is ethernet connected to a standard domestic router. I had expected to be able to access admin settings on the phone via a browser on my PC, and enter sip user, ...
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CUCM 12.5 The installation has enountered a serious internal errorAny suggestions on what I can do?
I captured the traffic on a VG and while we decoded the traffic and try to hear both audio, I noticed the audio that comes from Cisco phone had choppy. The scenario was Cisco Phone - CUCM - SIP Trunk - VG - SIP Trunk - ITSP - Mobile Phone Does an...
The networking topology is as follows Site A and Site B are connected through an SDWAN dedicated line. The current problem is that the phone at Site A rings when calling Site B, but it will automatically hang up when connected.1. For the CUCM addres...
I am facing a issue where some IP Phone are Picking Voice VLAN IP & some are picking Data VLAN IP...don't know where to troubleshoot on Switch or at IP Phone ...or at AD server where DHCP configured
Ok this is a weird problem. My Cisco phones at random times (days or weeks)and random phones (different buildings) are getting a data vlan IP address.The phones are still up and when a user can receive (phone rings) and callother extensions but when ...
phones 7821,7841 when connected in ports in Data Vlan still able to register with the cucm ver 11.5 ip 172.16.50.3 .data vlan DHCP is on with Network id 172.16.10.0/24 ,no option 150 configured and routing between vlans is enabled.why phones register...
what is Calling Party Transformation Patterns? and what can the configured number do?
Which port does the wsus servers（windows server 2019） download updates from the internet？how to change this port？Does this port have to be 80 or 8530?thank you!
Hi all,It has come to my notice that the authorization for our CUCM licenses is set to expire on [Nov-06-2023].what is this mean? what will be impacts and can we keep using the system with full functionality or not after that date?
Hi, after we upgraded CUCM from 10.5 to 12.5 we noticed that it is impossible to disconnect CDROM (attached datastore iso file on vmware) without service interruption. Every time when we disconnect iso file CUCM machine hangs and stop working with qu...
Hello Cisco Community, I have a customer that integrated a new version of SFTP Server which uses an SSH Cipher that the CUCM by default do not support. I found that i can manually add new ciphers to CUCM via OS Administration > Security > Cipher Mana...
Greetings, Kindly advise how to get new 7821 and 8851 ip phones registered on ISR 4451 being deployed as CME using below flex subscription. Smart license have been activated but still phones not being registered. IP phone license 12 month subscripti...
Trying to register with CME - 7811 IP phone. keeps showing registration in progress. sh voice register all shows that the device has attempted few times to register. status message shows reg send failure register. not sure on what to do . first timer...
Running CallManager 7.1(2) I had our staging group put SCCP loads on 7911s.Onsite I plug the phones in and see Unprovisioned. Like they are trying to use SIP!?!We are all SCCP, the phones are in CallManager correctly as SCCP.Any ideas? If they do h...
