[asterisk-users] NAT and externip problem or bug

[brandon kruz]

specially if you only have 5060 but not the sip pass through ports as he 
mentioned
(10000-20000) then you can establish a call but no voice data is sent(or so 
that is in theory)

so make sure you get this right with your asterisk box and everything should 
work

>From: Martin Joseph <ast at stillnewt.org>
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>To: Asterisk Users Mailing List - Non-Commercial 
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>Subject: Re: [asterisk-users] NAT and externip problem or bug
>Date: Sat, 22 Jul 2006 11:21:08 -0700
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>On Jul 22, 2006, at 11:13 AM, Robert Jenkins wrote:
>
>>Oh well..
>>
>>I already had localnet set:
>>
>>localnet = 192.168.0.0          ; Internal NETWORK address
>>localmask = 255.255.255.0       ; Internal netmask
>>
>>All the involved PCs & Sipura boxes are using 192.168.0.x addresses.
>>
>>The Sipura boxes work, but the fact that asterisk is sending the  external 
>>IP
>>to any device on the local network seems to me to be a bug..
>
>
>You didn't mention whether you were also forwarding ports 10000-20000  to 
>the SIP Proxy (ie asterisk).  Thats where the actual RTP (voice  data) is 
>passing.  Also you need to be sure that there aren't  multiple clients on 
>your lan all trying to use the same ports for  signaling (ie 5060), as this 
>will fail.
>
>Hope this helps.
>Marty
>
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