Hi Alan,
For what I'm looking at, I'd be very interested in hearing what you have implemented with the Nortel DMS switch.

Regards
Mark Wilkinson

Alan McMillan wrote:
I have successfully implemented a limited NORTEL version of RLT on asterisk.
I am using the DMS-250 flavor...  I can try and answer questions.

Alan McMillan

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Matthew
Fredrickson
Sent: Wednesday, July 09, 2008 1:08 PM
To: asterisk-ss7@lists.digium.com
Subject: Re: [asterisk-ss7] Asterisk/libSS7 functionality question

Mark Wilkinson wrote:
Hello,
    I have a question about the functionality of SS7 in Asterisk.
 From what I can work out, at present, I can not do the following :-

I want a  call to be placed from a PBX to Asterisk.
Have Asterisk playback a message or do other clever stuff,
then release the call back to the original PBX,
without the call remaining looped (tromboned) through Asterisk.

 From what I understand of SS7, it should be possible to get a SS7 PBX
switch to take back the call and transfer it elsewhere - Somewhat similar
in functionality to a SIP refer.

If I've understood, and please correct me where I'm wrong, the chan_dahdi driver in the asterisk trunk needs the 'transfer' functionality adding to allow it to signal to the PBX a request for call take back possibly by implementing the FAR FAC FAA
messages ?

Yes, this is definitely possible in libss7, although I believe right now it takes some dialplan changes to make it work. Alan McMillan (I believe he's on this list) implemented it, so he would be the one to tell how to configure it.

Matthew Fredrickson

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