IP Telephony and Phones

CUCM version  8.6.2.20000I have a clinic that does not see caller ID on their 7960 displays when an external caller calls in.  Internal calls work fine.

HiI want to install DMM and SnS for a test environement (vmware), but i can't find the system requirements for both servers, i know that is a Hardware only Server supported and a preinstalled plateforme.

Hello,I was wondering the call process between two cisco voip phones with dtmf and rtp packet. For example if caller A dials first then does rtp send a dtmf info  packet first and then when caller B picks up then caller A send another rtp voice packe...

Hi there.  I've got a Cisco infrastructure, but a non-Cisco VOIP platform (Mitel 3300).  I've been experiencing some call quality issues lately, so I was reviewing port configs on the access switches at three of my corporate sites.  These switchport ...

Hi Support CommunityI am looking at configuring EMCC but im struggling to find the information i need to understand certain parts of the configuration. There are 3 clusters, each cluster has its own dial plan utilising Standard Local Route Groups. EM...

So unfortunately we have a local PRI from Verizon at one of our locations.  This site has been a nightmare with multiple issues.  Each time as usual Verizon has blamed everything on our equipment and it ended up being their issue.  Any ways so the la...

Hello All,I am in the process of performing a P2V upgrade from CUCM 8.5 to CUCM 9.1. The same IP address and Hostname on the new cluster will be kept. Could you please advise on what are the right steps to do this operation, knowing that I have deplo...

Hi I have SIP srst with 3905 and 6921. 6921 Phones are getting registered as expected with SRST gateway. but 3905s not like that. i need to restart (re-plug) the phone manulally, then they will register with SRST. what will be the reason for this ? ...

Hello,i have a CISCO2921/K9, i have cisco jabber voice configured and working on iphones,but all the phones with a voice register pool 13 and above (13 or greater) are not working,example :     voice register pool  13      registration-timer max 720 ...

Hi I have a bunch of Cisco 7965 handsets running Version 9-2-3. For various reasons i'd like these handsets to downgrade to version 8. The build version of the handset i'm working on is V11 (also have cisco 7942 on V14 with the same issue)Does anyone...

                   Hi We Have Cisco attendant console 8.x at site .As per user they are " able to log into the “Attendant Console” and access the outgoing numbers located at the bottom of the screen. As far as the internal directory, it does not allo...

Dear All,my issue is that we have CME Router cisco 2911, all old phones has Company Background which is located on flash of the CME, but when i add any new phones i am not able to find the Company Background, but all old phones has the company Image....