[asterisk-users] How to link 2 existing calls

[Leon Sun]

Hi,

I searched web for few hours and couldn't find any solution about linking 2
calls from Asterisk. This is scenario.

1. A call has been connected from A pstn gateway to my Asterisk waiting with
music.
2. Meanwhile, B call has been connected from B pstn gateway to my asterisk
waiting with music.
3. My asterisk has an application that issues a request to link A call and B
call.
4. Asterisk should issue a re-invite to both A and B gateway and let them
exchange RTP directly. Asterisk should still be working as SIP proxy to
collect signaling(like bye).

Would please anyone suggest how to do step 3 and 4? I wouldn't prefer
conference room type since I like RTP packets go through gateway directly.



-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Hadley Rich
Sent: Sunday, August 06, 2006 1:45 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Ring Groups

On Monday 07 August 2006 06:36, Chris Hembrow wrote:
> I am new to asterisk, and learning as I plod along. Currently, I am
> trying to work out how to create a ring group without using AMP.

You should check out the book - 'Asterisk: The Future of Telephony' - 
published by O'Reilly it's available to buy or download. It will give you a 
good starting point.

> I set my inbound line to ring multiple lines by using
> Dial(SIP/101,SIP/102) but when I answered the call, the lines which
> didn't answer became locked with no dialtone, as though on a call.

That dial line should be Dial(SIP/101&SIP/102) - the comma (or a pipe, |) 
separates what to dial from the options to the dial command. typing 'show 
application dial' from the Asterisk CLI will get you all the gory details.

> I thought that setting up a ring group might help, but could only find
> references to creating them through AMP.

'Ring Group' is just an AMP term, you are going about it the right way
above.

HTH

hads

-- 
http://nicegear.co.nz
New Zealand's VoIP supplier
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