can you configure cisco call manager to work with subrate pri using MGCP. Customer got the PRI using 4 channels. Calls will not go through if you don't configure the call manager for all 24 channels.

I have a customer with single domain unity. He wants to move to multidomain environment. They have one unity server and don't have any other unity server. Unity is part of A domain (XYZ.COM with Exchange 2000). They acquired another company B(ABC.COM...

I am going to Build ICS 7750. I have 3 remote sites and the Central site. My question is should i go for MGCP or H323. I heard that MGCP is simple to configure. Does MGCP supports SRST ? In case if WAN link failure than how the fallback will take pla...

I installed the softphone on laptop. Created one CTI port in call manager and assigned the line number and associated it with a test user. I can dial any internal number and can receive the call. But when I am dialing any outside number it gives me t...

One of my customer wants to install Softphone on some of the computer. But that computer will not have any IP phone conencted. Can I use softphone without any IP PHONE associated. Can I use just the extension in call manager.