IP Telephony and Phones

Hello,       I have call manager express 7.0 installed on cisco 2851 router  IOS  c2800nm-adventerprisek9-mz.124-24.T.bin every thing was working fine except when we changed the ip source address on the router the phones stopped registering it self.I...

Hello Have any of you tried to register an Avaya SIP phone on CUCM? I tried. The telephone registered well,  and it is posible to dial from it to a Cisco phone, but when  I dial from a Cisco phone, the Avaya phone doesn't ring. The Avaya phones is an...

I have a cluster contains from "CUCM PUB & SUB" and "IMP PUB & SUB" and want to add domain name for two nodes CUCM, Are the phones will be reset ? Thanks

Hi I work in an office and I am getting too many calls from my ex girlfriend. I was wondering how to block a number. I really don’t want to tell my boss about this.  I have a 7900 series version. Thank you!! Not sure if I posted in the correct locati...

Hi AllWe have a Gateway in Brazil, I believe these to use E1-R2 signalling.I want to debug calls on there the same as doing a debug isdnq931, how do I do this?Many thanksCarl

How I can add the ATA-192 to CUCM. thank you

Hello,Trying to retrieve the serial number for the above? Does anyone know the OID? Not much luck searching.Many thanks.

Hello was wondering if someone could help me out here. We use broadsoft along with cisco ata192 for analog phones. I am trying to use the speed dial 100 feature which is setup with the prefix #. I can use the add feature through the phone and it will...

Unity 11.5.1 time off by 14 minutes. CLI on the server confirms the incorrect time, but the Timezone is set correctly. Please advise.