[asterisk-dev] Dialplan oddities with recent Asterisk ?

[Jared Smith]

> I've noticed that incoming phone numbers in chan_sip.c are only strdup'ed. 
> Many years ago I wrote in my ISDN4BSD software, that people that don't filter 
> incoming digits should not program PBX software :-) Does Asterisk have any 
> filtering of the destination extension by default?

I'm not sure of any it might have by default, but you can always do
filtering in the dialplan with the FILTER() dialplan function before
using ${EXTEN} variable.

-- 
Jared Smith
Digium, Inc.