IP Telephony and Phones

Is it best to have each Sub fail-back to the other Sub, or to the Pub? I know under normal workload, the Pub should not have anything home to it, but in a fail-over situation, is it better to double the load on a subscriber, or put a load on the pub...

I am looking for a data sheet on this part and can not find one. Specifically, I need to know the input requirements for the live source. Is this a mic input or a line input? Is this an OEM of an existing product?

Hi,I've purchased my UCSS renewal for 2009-2010 from a different vendor. I was worried that my subscription will lapse since the vendor was moving pretty slow, but it appears that they made it, since my renewal envelopes with PAK numbers came in befo...

Hi,I've just installed a 2811 MGCP Gateway on a remote site in another country and have hit the incoming calling party prefix issue where the inbound local call gets a 100 put in front from the main site ccm.Is there a way to stop this from happening...

Dear alli have cucm 7.0 i read the document about recordingafter i configure SIP trunk as my recording serverwhat software should i user for recording?

DST has changed again - what update do i apply to get the new DST into CCM 6.1.1.Do i have to take it to 6.1.4??

From config tool, I am not able to find upgrade from 5.0 to 7.1 option, we have 7815I2 server, please light me we cannot upgrade 7815 5.1 to 7.1 CUCM version

Hi,just had a SIP LD trunk installed and the only way i can get caller id to show is apply it on the truck under Outbound calls/Caller ID DN. if i apply it on the LD route pattern it will not show.with several different locations that will be moving ...

Within C2821-H-VSEC/K9 bundle, there is a CCME/SRST license, what's the difference with C2821-VSEC-CCME/K9 bundle's FL-CCME-50 license?

I have a client with the following voip network:- A remote site with connection to central site where there is a cluster of call manager, through a voice gateway (wan).- A central site with a cluster of call manager and a voice gateway and PRIs to ca...

HiWe're running CUCM 7.1.2 and we're using Mobile Connect and Mobile Voice Access since a few months. Now we would like to use the mid-call feautures like Transfer and Conference on the Remote Destination phones. Unfortunately the Enterprise Feature ...