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Hi, I'm trying to convert a legacy PBX to an IP phone system. This company has an overhead loud ringer and paging system which I need to convert. I'm thinking to use E&M port to setup the paging system. Does anybody know how to setup loud ringer for the IP world? This is the device they...

I currently have IPCC 3.5(2) running on a home lab. Can someone tell me how I can upgrade to the 4.0. Does anyone have IPCC 4.0 that they willing to share? Please PM me at charlesccie@gmail.com Thanks, Charles

Your servers seems to have enough CPU/Memory. Next question would be how many total users do you have ? this includes users using IP communicator and users using IP phones (if any). with your systems configuration, it should support at least 500 phones/IP communicators. When the MOH...

Is there a way to pause 911 calls for a second or two before it calls out?

CallManager 4.1(2)SR1 IP Communicator 1.1(5) IPCC Express 3.5(2) These are supported by Cisco. Check out the Cisco CallManager Compatibility Matrix http://www.cisco.com/univercd/cc/td/doc/product/voice/c_callmg/ccmcomp.htm What kind of CPU and memory do you have? I believe your system does...

Does anyone have problem with false 911 calls on the Cisco CallManager? We switched from Nortel to CallManager for about a year and we got alot of false 911 calls. We didn't have a single false 911 calls on the Nortel systems for over 10 years. We use 9 to dial outside line. All the false...

I'm useing Asterisk 1.0.8 and CallManager 4.0.2(a) H.323 works fine but I'm having problem setting up SIP trunk. I'm getting the error from the Asterisk SIP/2.0 400 Bad Request - 'Malformed/Missing URL' Does anyone know what the problem is? Also what version of the CallManager are you guys...

Thanks for your reply. I'm having problems pushing URL/messages to the phones. when I push a URL to the phone. I get the error message '<CiscoIPPhoneError Number=&quot;0&quot;>' and nothing happens on the phone. Thanks, Charles

Hi, Does anyone know how to downgrade the firmware from 5.0 Digital signature image to a non digital signature image ( v4.4 3.2 or non *.sbn) ? I upgrade my 7960 phone to 5.0 image but I want to downgrade to 3.2. Cisco doesn't want to provide me with a solution. They said I can't downgrade...