[Asterisk-Users] does SIP works behind the NAT

[Tom Rymes]

Johnny,

Have you looked at google or voip-info.org for the answer to this
question? Chances are that you need to forward port 5060 and ports
10000-20000 to the machine that is behind NAT, but it could be more
complicated than that.

Tom

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
> jonny hashem
> Sent: Wednesday, August 10, 2005 4:24 PM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] does SIP works behind the NAT
> 
> 
> i tried to connect 2 iax servers and it worked well
> but when i tried to connect 2 Sip servers in the iax 
> configuration (one behind the NAT and the other with real IP) 
> it failed and give me this:
> 
> Aug 10 23:25:47 WARNING[28013]: chan_sip.c:843
> retrans_pkt: Maximum retries exceeded on call 
> 4435f0885ce9874a0b6a1e642630a443 at 172.16.180.133 for seqno 102 
> (Non-critical Response)
> 
> i think it is a NAT problem but i want to know how to
> fix it.
> 
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