Thanks Alex Balashov, I am experiencing some one-way audio, that's the reason of the questions!
Att, Flavio Roberto Miranda MSN:flaviormira...@hotmail.com Skype: flaviormiranda > Date: Tue, 26 Jul 2011 09:23:42 -0400 > From: abalas...@evaristesys.com > To: asterisk-users@lists.digium.com > Subject: Re: [asterisk-users] NAT yes > > On 07/26/2011 09:19 AM, Flavio Miranda wrote: > > > In a no natted environment if I letnat=yes on sip.conf it would > > cause some thing bad or it is irrelevant ? Anybody know ? > > There is no harm unless the endpoint you are dealing with does not do > symmetric RTP. The nat=yes option assumes that it is okay to send RTP > back to the source port from which it originated, irrespectively of > what's in the SDP. This will cause one-way audio if the endpoint > happens to want to receive RTP on a different port than the one it is > sending it from. > > Almost all endpoints these days do symmetric RTP, though, so it's not > a huge concern. > > That said, from a methodological and aesthetic perspective, it is > better not to break standard RFC-compliant behaviour unnecessarily. > Thus, I would not enable nat=yes unless there really is no direct > network and transport-layer reachability to the endpoint. > > -- > Alex Balashov - Principal > Evariste Systems LLC > 260 Peachtree Street NW > Suite 2200 > Atlanta, GA 30303 > Tel: +1-678-954-0670 > Fax: +1-404-961-1892 > Web: http://www.evaristesys.com/ > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users
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