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

[Mikael Magnusson]

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?
> 
> 	Raoul
> 

An ISDN-telephone uses Q.931 messages for signaling, for example HOLD to 
put a call on hold and RETRIEVE to pick up one.

/Mikael