To receive calls from UA not registereds

1. Brekeke Product Name and version:PBX v 2.3.7.3

2. Java version:

3. OS type and the version:

4. UA (phone), gateway or other hardware/software involved:

5. Select your network pattern from http://www.brekeke-sip.com/bbs/network/ ... terns.html :

6. Your problem:

I need to receive calls from User agents not registered, it is possible and how to configure it?
Thanks

need the ars and dial plan in wiki post below
http://wiki.brekeke.com/wiki/Update-issues-post-v2277

Thank you for your help.
It works for me.

Thanks a lot