[Asterisk-Users] How to Flash() a modem line

[Raoul Bönisch]

* Mikael Magnusson <mikaelmagnusson at glocalnet.net> [2005-03-14 21:16]:
> Raoul Bönisch wrote:
> >* Eric Wieling <eric at fnords.org> [2005-03-14 16:56]:
> >
> >>Raoul Bönisch wrote:
> >>Flash is an analog thing.  It does not even apply to ISDN.
> >
> >
> >So how does the "R" key on my ISDN-telephone work then?
> >
> An ISDN-telephone uses Q.931 messages for signaling, for example HOLD to 
> put a call on hold and RETRIEVE to pick up one.

Ok, and there's Multiple Directory Numbers so that you can start
a conference.

Unfortunately Q.931 doesn't seem to be available on ISDN4Linux. I
will have to switch to CAPI or else I'm lost! :-\

Thanks for the help!

	Raoul