[Asterisk-Users] Cisco 7960 and Asterisk, I think I have a curly one here

[John Breeden]

This bit me too. Had to turn nat off on the 7960Gs

Kristian Kielhofner wrote:

> Peter J VERNON wrote:
>
>> Guys......
>>
>> I have Asterisk CVS-NHEAD-03/19/05-21:56:28 running on a box here and 
>> have a couple of Cisco 7960s and a Grandstream phone.
>>
>> I can make calls from the 7960. When I get a call placed to the 7960 
>> the call is setup but there is no audio in either direction. This is 
>> for a call placed on the local subnet between extensions so I doubt 
>> that it is a NAT issue though I have tried a number of combinations 
>> of this to no avail.
>>
>> I have tried firmware versions 6 & 7 on the Cisco phones, same 
>> result. I have tried the phones on two other Asterisk installs and 
>> they work fine. I have compared sip.conf with these and can see no 
>> differences.
>>
>> If I configure the grandstream up to replace the 7960 it works fine.
>>
>> I have noticed that the src port (TCP port on the phone) increments 
>> during the session which seems to be the issue.
>>
>> Anyone seen this before? Any assistance would be appreciated.
>>
>> Regards
>> Peter 
>
>
> Peter,
>
>     This one bit several of us.  Upgrade to CVS-Head as of 3/22/2005 
> or later.
>
> -- 
> Kristian Kielhofner
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