Re: [Asterisk-Users] Routing SIP calls via URI

Joao Pereira Thu, 06 Apr 2006 07:51:45 -0700

But is there a way of doing this without a prefix?

because people should dial without prefixes: "[EMAIL PROTECTED]" , not like:
"[EMAIL PROTECTED]"


How can we make this without a prefix? something like:

if( !uri=~"@mydomain.pt" ){
forward the all to the Internet
}

:)
Thanks
Joao Pereira


Shad Mortazavi wrote:

Dear Group,

I was able to fix this problem;

The solution was to use a prefix to dial out.

The next challenge was to send the SIP Domain over IAX2!. I found that
if I included @SIPDOMAIN it would break the IAX2 communications.

exten => _6.,1,Dial(IAX2/bxxxxxx:[EMAIL PROTECTED]/[EMAIL PROTECTED]),
breakes because @SIPDOMAIN is treated as the target context. You also
can not include @Context after the @SIPDOMAIN.

I created a new variable DS which was a concatenation of EXTEN and
SIPDOMAIN separated by % and not @ and I was now able to pass this over
IAX2;

DS = EXTEN%SIPDOMAIN.

exten => _6.,1,Dial(IAX2/bxxxxxx:[EMAIL PROTECTED]/${DS}).

At the other end I used the CUT command and substring facilities in
Asterisk to split DS by the % eliminator; I re-formed a new variable

which was

DS = [EMAIL PROTECTED]

I can now pass calls from my internal Asterisk server to my external
Asterisk server using IAX2 and then call any external VoIP number.

Warm Regards

Shad Mortazavi
------------------------------
Nexus Group Technical Manager
n|m Nexus Management Inc

-----Original Message-----

From: Shad MortazaviSent: Thursday, March 30, 2006 10:30 AM

To: [email protected]
Subject: Re: [Asterisk-Users] Routing SIP calls via URI

Dear Group;

I can confirm that I have read through the three examples in

www.voip-info.org.

These examples are excellent and address a couple of the questions. I
have IAX2 working between several asterisk servers on our VPN and

between the DMZ and our LAN.

Also

exten => shad,1,Dial(IAX2/bxxxxxx:[EMAIL PROTECTED]/${EXTEN})

This answers part of the question;

However what I want to do is to send any outbound sip calls via our
external SIP server.

i.e;
                 VPN      LAN            IAX2    DMZ      Internet
Internal UA <-------> Internal (*) <------> External (*)<------>
ExternalUA

We have an extensive internal dial plan, X dial the UK, Y dial USA, 1XXX

for Voicemail, 2xxx for Meetme, etc.

Do I need to setup a prefix to dial the internet? And then route all
calls to the External(*) based on this prefix?

Thanks

Shad Mortazavi
------------------------------
Nexus Group Technical Manager
n|m Nexus Management Inc


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