[asterisk-users] Asterisk 1.4 + Presence

[Eric "ManxPower" Wieling]

Johansson Olle E wrote:
> Excellent article!
> 
> Just a small comment to clarify:
> 
> We have three namespaces to work with: Channels, Extensions and  
> Devices/lines.
> 
> * Channels are ongoing calls.
> * Extensions are what you dial to setup something, an entry in the  
> dialplan.
> * Devices/lines are what we place a call to in the dial plan with the  
> dial command.

People confuse extensions and devices/lines.  That and contexts are the 
things people just can't seem to understand.