IP Telephony and Phones

I have CUCM 7.1 Synchronized with LDAP, Suddenly about 30 user of total 750  become deleted(pending) state I don`t know why?.are these users completely deleted from call manager database? and how to fix this problem and get the users back? Thanks & R...

I just added two SIP phones (a 7941 and a 7971) to my current CME. Both are running the latest firmware available from Cisco.com support. I already have three SCCP phones (7961) working on this CME. Both SIP phones exhibit the same issue: The phones ...

Hello, Does this switch stack support older phones that do not hav POE 802.2af standard? I have a 7940G that will not power with the 3850 model, newer phones do work though. I have tried to provide static power but this doesn't help

I ma running CME10.5 15.4 IOS 2921 router.  I have 7841 SIP phones that will not re-register themselves after a router reload/power-cycle.  I have to power-cycle the phone for them to register, they will not re-register automatically.  The phones mai...

Hello everybody, I'm trying to configure the application in the title using 8841 and 8851 SIP phones I don't know how to assign username and password to them, when I try to configure the TSP windows client the application is able to connect to the se...

Hi all ,  One of my clients experience this problem : call go from CUCM ---> UNITY--->EXTENSION .  The problem occurs when the user in the extension use call forward all to his cell phone .  Calls that come through the unity are unable to get  the c...

Hi All, We are configuring/registering a ATA 190 to our CUCM 10.5 however it wont register successfully. Network configuration of the ATA was configured properly and we were able to access the Phone Adapter Configuration Utility of ATA 190.  Kindly...

Can IP phones be registered in  Singlewire INformacast  in place of speakers? We need to broadcast a live audio message on a group of ip phones.

I have customers asking legitimate questions regarding business continuity and DRS recoveries.  One that has come up repeatedly is regarding the Licensing Manager servers. The documentation I have seen is very obscure about what exactly the licenses ...

Dears, I'm Configuring CORLIST in our Network but its not working even I reset the IP Phone and create profile under telephony service. Configuration is, !dial-peer cor custom name Local name National name Mobile name International!!dial-peer cor ...