IP Telephony and Phones

Hi there,Just finished a migration from BE5K to BE6k and I have some phones with issues accessing the voicemail by pressing the Messages button. they receive a message that says Select Service. this was working before the migration off course!do you ...

Dears,I installed a CUP publsher version 9.1.1.100008  after  that i upgraded to 9.1.1.20000-5., Now i purchased a redundant hardware  server and i am trying to install CUP  9.1.1.100008 but it fails saying  the publisher version is different than th...

Hello,could you help me, Is it possible to perform calls between ip phones (sip 69xx) which is registered on the same CME 9.5 without installed PVDM.

What does the message mean? I am about to migrate new 6.1 to replace 4.1 servers. The system seems confused because the provisioned IP Address is not the DNS address. Will this problem go away after the 4.1 servers are removed and the 6.1 servers ...

Hello all, It has become obvious that I need to learn more about SIP and how to configure/troubleshoot SIP trunks in a Cisco environment. Can you all suggest some resources that I can use. Are there any good classes out there?

We will be upgrading our infrastructure from 7.1(3b) to 9.X in the next few months, but we are also implementing a new CRM system for screen pops and ticket flow purposes with our Call Center.  Their application calls for the the Cisco TSP to be inst...

Cum version:8.0.5 and we  installed the CIPC in windows 7 pc.CIPC is registering in CUCM quickly but it is not dispalying Directory Number.After couple of hours we can see the DN and CIPC is working normally.I have registered the CIPC using SCCP prot...

Cisco IP Phone 6921 not register while the other IP Phones is working fineWhat will be the cause of that problem? And how we can resolve this issue.

Hello, I am a bit confused about how the line/device approach directly compares with newer techniques involving local route groups.Could someone please give me a simple example of how a local route group method would be better than the older line/dev...

Hello!There are CUCM 9.1 server and 2911 router with CME 9.0. There is an active SIP trunk between them.The question is: Is there any method to make work call pickup from CME to CUCM?Is it possible to allow CUCM user to pickup calls distined to CME u...