[asterisk-users] Responding to SIP OPTIONS

[Alex Lake]

I understand that it is customary for SIP User Agents to send OPTIONS 
packets every now and then to check that a peer is still alive and well. 
Indeed I understand that Asterisk itself sends them if qualify is set to 
yes in the peer configuration.

How is one supposed to configure the dialplan so that Asterisk responds 
correctly to these requests?

At the moment, I'm seeing "Looking for s in default" and then a "404 Not 
Found" being returned - which can't be right.

Thanks!
Alex Lake
DIGITAL MAIL LIMITED