[Asterisk-Users] call waiting, * and FXO

[Steve Szmidt]

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On Wednesday 28 July 2004 11:38 pm, mike jennings wrote:
> I have been told that the combination of call waiting, * and FXO does and
> will not work because "Asterisk is a PBX".  I guess I'd like to hear if
> this is a hard and fast "no this will not work and here's why", or that
> this currently doesn't work but with some coding might work.

The way I see it call waiting is kinda crazy with a PBX. A PBX is really there 
to handle a situation with a number of lines and a number of stations 
(phones).

A call comes in, it's then routed to an internal phone. If someone calls the 
same number they are really supposed to end up in a hunt group, and come in 
on the next free line. Instead it interrupts the previous call who probably 
have nothing to do with the new caller.

Call waiting is a substitute for having more than one line. This is highly 
unlikely to occur in a PBX environment, which for no other reason than price, 
is usually not available in a single line home.

Technically, with a card (if it exisits) that can handle the hook flash, 
there's probably not any reason why one could not have call waiting play 
confusion with people and interrupt them. It just does not make any practical 
sense to do so.

SIP phones are often used without a PBX so there it makes sense to have it 
available.
- -- 
Steve

"They that would give up essential liberty for temporary safety deserve
neither liberty nor safety."
                                Benjamin Franklin

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