[Asterisk-Users] Camp on?

[Rob Hillis]

Patrick wrote:
> I believe this is called camp on. Found some examples on voip-info.org
> but they assume that you do not hangup the originating phone. Anyone
> have an idea how to implement this feature as described above?
>   

It might be referred to different things in different countries.  In 
Australia, Camp On is known as a feature that allows you to ignore a 
busy signal and simply keep holding.  The feature you are referring to 
is called a Callback.