Configuring Asterisk behind a SIP Proxy

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Hi,

I have the same issue. Did you solved it?

On Thu, Jun 18, 2009 at 5:21 PM, Brad Johnson wrote:

> We are trying to configure Asterisk (version 1.6.1.0) with some SIP
> phones behind a SIP Proxy/NAT device. The phones register properly to
> Asterisk, and to get Asterisk to register properly to the external SIP
> registrar we added this to the general section of sip.conf (the address
> of the Asterisk system on the LAN is 192.168.30.5):
>
> outboundproxy=192.168.30.10
> register => myname:mysecret@my.provider.com/100
>
> The problem we are facing is that it appears that the outboundproxy
> value is being treated globally by Asterisk so it sends all SIP traffic,
> including traffic to the phones, to the proxy. The behavior we want is
> that all outbound traffic is sent to the proxy, but inbound SIP traffic
> to the phones should be sent direct to the phones.
> The result we see is that an inbound Invite is received by Asterisk and
> then the Invite for the phone is sent by Asterisk to the outbound proxy.
> This causes much confusion.
> Can anyone please tell me how to configure Asterisk properly for working
> behind a SIP Proxy?
> Below you will find our configuration.
>
> Thanks,
> Brad
>
> Here is the channel for our SIP provider:
>
> [my_provider]
> type=peer
> host=my.provider.com
> username=100-phone
> secret=mysecret
> context=incoming
> canreinvite=no
> qualify=300
> insecure=port,invite
>
> Here is a sample phone entry in sip.conf:
>
> [100_phone]
> type=friend
> username=100-phone
> secret=100secret
> host=dynamic
> context=internal
>
> Here is the relevant part of extensions.conf:
>
> [incoming]
> exten => 100,1,Dial(SIP/100_phone,30)
> exten => 100,n,Hangup()
>
> [internal]
> exten => _X.,1,Dial(SIP/my_provider/${EXTEN})
>
>
>
>
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