IP Telephony and Phones

Hi Team,We are planning a migration from PRI to SIP. Could you confirm if any licenses are required for this transition?Attached are the outputs from the show version and show license commands for your reference.Best regards,

I am having a SIP issue on UCM with call forwarding and caller ID. If I enable privacy header under voice service voip/sip, I no longer receive caller ID on incoming calls.However, if I remove this command caller ID will work but DN call forwarding f...

Hi All, Please help I have an issue where all our phone can't register to CUCM subscriber and its stuck on "registering" mode. I have CUCM version 8. just see the logs it just show me error CTL .tlv file not found where we don't user secure mode. we ...

Hello. we have agents on site A and site B. Using seperate cucm clusters. These are CC agents and when they receive a call from queue site A hits decline on call toast from webex. There is nothing sent to cucm from the logs and the call stops ringing...

Hi Cisco Community, hoping to get some help on my issue. We have a call flow that routes calls from CUCM to Microsoft Teams Voice Direct Routing (SBC) then out to PSTN. The main number is configured in CUCM as a translation pattern to translate into ...

Has anyone encountered the following: Intermittent delayed call audio on internal calls only (RTP setup is from device to device).  We have two locations out of many other locations that are reporting issue (all with identical Meraki configuration te...

Hi Guys,   My Customer have the solution with CUCM 105.2 with 05 sites. There are calls that not are completed and We received the error message: "1459617833 CCM_SIP_503_SERVICE_UNAVAILABLE". I reaserched in Cisco site and another sites the signficat...

HelloI am experiencing some strange issue with my VOIP in 1 of my branches.  our branches are connected thru IP VPN and 1 of our branches are able to call our office in HQ (ringing but no voice) other branches are able to call our office without any ...

I am using CUCM, and I already have caller ID that displays the external caller’s number. One of my users wants to see the caller's name for external calls instead of the number, but only for two specific numbers. The others should remain unchanged. ...

Can you use a Clarity HA40 phone amplifier  with a Cisco CP78413PCC landline business phone for someone that is hearing impaired  in order to hear clearly on the phone? Thanks, Karis Seiber