[Asterisk-Users] NAT=YES

[Mark Phillips]

Add canreinvite=no and reinvite=no to the relevant stanza in sip.conf

Mark

Klint, Peter wrote:
> Good morning
> 
> Does anyone have experience with NAT=YES?  I have the following
> configuration and am a bit confused as to why the Asterisk server
> initially sends out RTP to the remote host private IP and then switches
> to the public IP.
> 
> Configuration Info:
> I have all users in SIP.CONF configured with NAT=YES
> Asterisk has a public IP
> Remote host is behind a firewall with NAT
> 
> When I sniff on the Asterisk public network, I see the following.
> 
> 1. INVITE from remote host public IP to Asterisk public IP
> 2. 183 response from Asterisk public IP to remote host public IP
> 3. RTP from Asterisk public IP to the remote host private IP
> 4. RTP from remote host public IP to Asterisk public IP
> 5. RTP from Asterisk public IP to the remote host public IP
> 
> Is there a way to prevent step 3 from happening?  Or, is there a way to
> delay the invalid RTP from being sent from the Asterisk in step 3?
> Does anyone know why the Asterisk sends RTP to remote host private IP?
> I would expect NAT=YES to correct this issue.
> 
> Thanks,
> 
> Peter
> 
> 
> 
> 
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-- 

Mark, G7LTT/KC2ENI
Randolph, NJ
http://www.g7ltt.com