[Asterisk-Users] "i" extension with invalid context

[Kevin P. Fleming]

Race Vanderdecken wrote:
> Without reaching for a manual, is there a logic test for a context
> existence?
> 
> If ( context exists )
> 	Goto that context

No, currently in the dialplan you cannot do an existence test. However, 
Olle and I were chatting this morning and he brought up that it would be 
nice to have an ExtenAvail() app (or something similar), so there's 
something could be implemented by someone with a few minutes :-)