[Asterisk-Users] Cisco router and "488 Not acceptable here" messages

[Andres]

James Harper wrote:

>Additionally, just to satisfy myself that I wasn't going mad I changed
>the port from 5060 to 5070 and now things are working, so something is
>definitely playing up on port 5060.
>
>James
>
>  
>
You probably have are behind NAT and your NAT device has a SIP ALG.  
Changing the port disables the ALG.  The ALG is broken.

-- 
Andres
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