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[amaniyar at velankani.com]

Thanks for the reply Recardo..

I was indeed looking at something like this.

Also I was also looking at Asterisk's SRV lookups. Is there anyway I can
know that a SRV lookup has failed?

Regards,
Aadil

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Ricardo
Carvalho
Sent: Friday, March 28, 2008 4:07 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Calling users to the external domain
usingAsterisk

What you are looking for is something like this piece of code. Adapt it
for your scenario:

[default]
exten => _.,1,NoOp(incomming call from ${CALLERID} to
${EXTEN}@${SIPDOMAIN})
exten => _.,2,GotoIf($[${LEN(${SIPDOMAIN})} = 0]?10)
exten => _.,3,GotoIf($[${SIPDOMAIN} = ${MYDOMAIN}]?10)
exten => _.,4,GotoIf($[${SIPDOMAIN} = ${MYFQDN}]?10)
exten => _.,5,GotoIf($[${SIPDOMAIN} = ${MYFQDN}:5060]?10)
exten => _.,6,GotoIf($[${SIPDOMAIN} = 192.168.1.1]?10)
exten => _.,7,NoOp(@${SIPDOMAIN} is from an external domain, sending to
it...)
exten => _.,8,Dial(SIP/${EXTEN}@${SIPDOMAIN})
exten => _.,9,HangUp()
exten => _.,10,Goto(noturi-default,${EXTEN},1)
exten => h,1,HangUp()

[noturi-default]
;(your dialplan)
Regards,
Ricardo Carvalho.




On Thu, Mar 27, 2008 at 7:47 AM, Aadilkhan Maniyar
<amaniyar at velankani.com> wrote:
Hi All,

I am a newbie to Asterisk. Presently I am working with Asterisk 1.4.17
and using it to make SIP calls.
I have a configuration of Asterisk which serves the users in a
particular domain, say internal.com
I would like to make a SIP call from bob at internal.com to
charles at external.com
I have added the following lines in extensions.conf
exten => charles,1,Dial(SIP/${EXTEN}@external.com
<mailto:SIP/$%7BEXTEN%7D at external.com> )
exten => charles,2,Hangup

Asterisk does a DNS SRV lookup and resolves the external.com to its
proper IP and calls are established.
But the problem with the above configuration is that I have manually
added users that are in the external domain.

Is there any way wherein I can call the users in external.com without
adding them in the extensions.conf?

Any help would be appreciated.

Thanks,
Aadil


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[rjcarvalho at gmail.com]

You can test manually any SRV DNS record using dig, like this:
dig -t SRV _sip._udp.fwd.pulver.com

At the asterisk CLI you can also verify that SRV lookup has been succeeded.
It shows something like this when it does:
parse_srv: SRV mapped to host fwd.pulver.com, port 5060
In your dialplan you can also trigger some Set(CDR(userfield)=SRV call from
${SIPCHANINFO(recvip)}) so that in your mysql CDR table be written which
calls got sent by IP to any SIP URI.

Regards,
Ricardo Carvalho.

On Fri, Mar 28, 2008 at 12:00 PM, Aadilkhan Maniyar <amaniyar at velankani.com>
wrote: