IP Telephony and Phones

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I have a cisco 2911 voice router set up for sip trunk to provider.    I am running this behind a nat device and trying to get sip profile to rewrite the private ip to the public ip.    I have set this up with applying the sip profile to my dial peer....

Hello All,   I have been having some issues updating firmware on my 7821s. I had installed the latest firmware for the 78XX models to my publishers and also all of my subscribers and subsequently restarted all of the TFTP services. However, when the ...

Firware Problem.JPG

Hello, I am trying to register SIP Avaya IP Phones model 9611g to CUCM. I can accomplish this manually by configuring and HTTP server in the IP Phone and my HTTP server contains 46xxsettings.txt file which points to CUCM and then it gets registered a...

We have a few Cisco 7960s that currently have MGCP 7-6-0 and would like to convert them to SIP. We have factory defaulted the phones and pointed the tftp ip to our tftp server. Files in the tftp server:OS79XX.TXTP0S3-07-5-00.binP0S3-07-5-00.loadsP0S3...

hi all   IP Telephony and Phones   i have 2 primacell gsm installed inside 2 Vodafone sim cards -the primacell device connected to FXO voice port (cisco router 2911)    i have 2 mobile number for the company , the problem is only 1 number when i call...

amralrazzaz by Contributor
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