[Asterisk-Users] Can't hear the caller

[Carlos Rojas]

Hi,
I had the same problem, it is due to the fact that your server is
behind a nat,  I solved the problem adding in my sip.conf
 [general]
port = 5060
bindaddr=0.0.0.0 
externip=200.121.56.70
localnet=192.168.1.0/24
context=llamadas
srvlookup=yes

Greetings
Carlos Rojas
Lima - Peru

On Mon, 21 Mar 2005 12:53:32 -0600, Lane <lane at joeandlane.com> wrote:
> Hi,
> 
> I've got a strange issue, that I haven't found addressed on the wiki.
> 
> My asterisk box is behind a firewall which routes udp/tcp requests on 5060 and
> 8000 to asterisk.
> 
> When I make a call from a Zap or SIP extension on the inside of the firewall
> to any Zap or SIP extension on the inside of the firewall, everything works
> find.  I have access to voipjet, and when I place a call through them
> everything also works fine.
> 
> However, I have several SIP extensions defined for remote users.  They can
> authenticate to asterisk and they can call me and I can call them.  However,
> whether I place the call or receive the call I cannot hear the remote user!!
> They can hear me, though. (I'm inside the firewall).
> 
> My remote users are on XLite, if that makes a difference.
> 
> Anybody got an idea why the firewall is blocking traffic for these SIP phones,
> but not for voipjet?
> 
> Thanks
> 
> lane
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