[asterisk-ss7] Asterisk/libSS7 functionality question

[Matthew Fredrickson]

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