[Asterisk-Users] DND on SIP

[Eric Wieling]

Joseph wrote:

>>exten => _XX09,1,GoToIf($[X${RDNIS} != X]?${EXTEN},4)

> Could you show me the part that dials the extension in this case?

If RDNIS is set (which is the case if DND is on in the Cisco) then the 
RDNIS variable will not be empty therefore we can test to see if the 
RDNIS variable is empty or not and do different things based on that 
informtion.

WHAT you do with that information is up to you.