IP Telephony and Phones

We have had a few times in the past few months where we are getting 911 calls and do not know where the calls originated.  We need to know if these are accidental calls or if someone is coming in through the system.  We have transfer rules setup in t...

Hello All,I have an IPSEC VPN setup between a C1861-SRST-F/K9 router and a Sonicwall.  I am able to communicate across the tunnel just fine and my 6941 phones are registered back to the call manager and I can make site to site calls with extension nu...

We have a 2901 Router running CME with two 4-port FXO cards installed.  We register SIP clients to the router and place/receive calls via the FXO ports.We are trying to get the FXO port on the 2901 router to perform a flashhook operation when it rece...

I wanted to find out how others are deploying MOH for CUCM servers that are vitual. We have an 8.6.2 CUCM cluster that currently has a DMX Fusion Player connected via a USB dongle. Planning on virtualizing this server and wanted to know what options ...

HelloI have an sip trunk with an ITSP in CUCM, thats is the flow:IP Phone -> CUCM -> SIP TRUNK  -> ASA -> ITSP The outbound call is established but has no audio.On ASA has a NAT from the outside interface do CUCM IP addressWhen the audio is establish...

Is possible, change the Timers for the Keepalives on SRST SIP, from 2 minutes to any other value...?

Hi,We had recently a problem on a UCS C210 and after some test with the TAC, it appears that we need to replace the whole unit.On this server, We are running a CUCM pub, a CUC sub and a TFTP...The fact that there's the pub on the unit involve that we...

We have a couple random users that have reported they are not receiving an email notification with the .wav file attachment when they have a new voicemail. We are running Unity Connection and Call Manager Ver. 8.6 with Exchange 2010. I am new to Call...