IP Telephony and Phones

                  Hello everyone,Running UCM 8.6 and integrating a Valcom SIP paging unit.  I am getting a Registration Rejected" message in UCM for the SIP phone that was created.  Any ideas on where to look to figure out why the registration is bei...

Hello,i started Embedded packet  capture  on ISR2 and see RTP duplicated packet -packets with the same sequence.What is wrong? Why it can be possible?Best regards,Mike

Hi,We use Cisco 2901 as a tested product to convert SIP to ISDN so we can use this technology with Legacy PaBX's.We have never come accross this problem, but when dialling out it takes 10 seconds to make the call. In a trace we case the router ISDN s...

We have call Manager 7.1.3, MGCP gateway on Cisco 2811 running IOS Version 12.4(25b), with SRST configuredMy question:   If a user at the remote site is on an external call to the PSTN and the gateway looses its connection to Call Manager the gateway...

Hi,Is it possible to configure a SIP trunk on CUCM and point this to a CUE module in a router?This router is without CME, no telephony-service, no phone's, just a CUE module.I am trying something, but I can't make it work.Can this work atr all?Thanks...

Hi Experts,I have a query for SME licensing. As SME uses CUCM software, what licenses are required on that CUCM cluster that acts as SME cluster and how do we enforce SME license?We did an install for a customer and got SME license, but when we appli...

I have a CUCM 8.5 in a client.They want to redirect calls from extensions 5XX (one of the offices) to extension 223, sending the calls to the extension 100.I know how to redirect all the incoming calls (Forwarding all calls) but not selecting what ex...

I am pretty sure the answer is no, but I cant find a definitive 'no' anywhere.  Does the 6945 support Phone proxy?Thanks in Advance,J

We have two seperate MGCP  voice gateways for two publishers. Can  weconfigure or use one  voice gateway for both  the publishers for HighAvailability pupose.               Regards.

Hi,Does anyone know if Cisco supports Viewmail if the user is running Outlook from Citrix server.Thank you

Ive been looking around in alot of treads and I would like to confirm this: We have Nexvortex as an ITSP and it is obviously voip so its been my understanding when we use CCA to setup the systems we do the dial peer xxxx voip. is this correct? we do ...