[Serusers] phone + pstn with ser and cisco gateway

Steve Blair blairs at isc.upenn.edu
Mon Apr 11 15:54:48 CEST 2005


Ok. I'll ask around.

-Steve

Juha Heinanen wrote:

>Steve Blair writes:
>
> >    I've never looked into that but by default it does not. I thought I would
> > need "symmtric signaling" in order to define a peer in my Asterisk sip.conf
> > file but that turned out not to be necessary.
>
>i was asking because of nat detection.  it turned out that nathelper
>nat_uac_test("3") does not check port number whereas mediaproxy
>client_nat_test("3") requires that both ip address and port in via match
>source ip address and port.  so if call comes from cisco gw, ...
>
>i surfed on cisco's web pages, but could not find any command that would
>make gw's signaling symmetric.
>
>-- juha
>  
>

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