IP Telephony and Phones

Hello.We have two types of Cisco IP Phone connected to our Catalyst 4503:Cisco 8961 and Cisco 6921.With Cisco 8961 we have no problems at all.Nevertheless, some of the Cisco 6921 IP Phones, when are connected to the switch, get the IP address from th...

hi,we have CUCM8.0.3 and CUBAC. this morning our receptionist tried logging into the console and received the following error.Failed to login to server <ip address>the following error returned: Invalid Extension.i know this extension is valid, shes b...

Hi, can anyone confirm if the following bug has been resolved in 8.6.2a, CSCtr30801 I know this has been added to 8.5.1 SU3, which appers to have been released at the same time.

Dear  Friends We are using cucm 6.0 in our organization, the cluster contais one PUB and two SUB's, we are thinking of upgrading the CUCM 6.0 to 8.0, request you to please tell me the major differneces between both the versions.RegardsMuhammad Aamir

CUCM 8.5 Intergrated with CUE 8.5. I followed the guide for configuring CUE for CUCM and everything is working fine but one thing that has came up is when the Messages button is pressed the phone shows the call dialing the CTI port number and not "Vo...

Hi Team,A new issue has come to me. Already TAC are working on that. But I would also like to get useful troubleshooting steps or any action plans.The issue is the Meeting place Calls during the Peak hours are dropped. When a Meeting Place call is ma...

Hello there,I have  unity 7, I am facing a strange case, the call is recived normally and handled by the autoattend, when the caller wants to call operator or to enter any extension, unity responds with the correct promot (wait while I transfer your ...

We have a business VOIP provided by our service provider, where it is used for international calls with low rates,I need to assign directory number to be used to connect and use this service from my cell phone or any external PSTN number through our ...

Hi All, I have a  Cisco IP communicator installed on my latop , which is running a windows-xp based operating system.I have configured an extension for my internal calling 64xx ( still have to map the DID for the same for outbound calls etc.)Problem ...

I am trying to traceroute from my 7975 that I ssh'ed into, but I can't figure out the command. Do I need to be in a certain directory? I've searched google extensively but I can't find much documentation on the IP phone CLI, does anyone know of a sit...

I have an  CCM  version: 5.1.3, with cisco  ip phones models 7970,7940,7941, 7902, 7906, 7912 and 7911, some of this  ip phones  it was imported from a CCM  4.1,  and  it´s works succesfuly, but  when i to try to connect to  CCM 5.1 some  7911, don´t...

I have a client whom we have implemented a cisco cme 2821.They have requested us to implement a service where they can listern to an external radio through the phone speakers when not on call on all IP phone from a single source.They have customized ...