Question : 3Com NBX V3000 Dial Plan to add 866 number

Let me start by saying I am not a telephone guy.  I know just enough to get myself in trouble.  That said, I recently added a conference bridge to my NBX V3000 system in SIP mode and it seems to be operating with its internal extension just fine.  I now need to assign an external 866 number that we have that is not used and pipe that number to the SIP device.  If somebody could explain the process I would really appreciate it.  

Answer : 3Com NBX V3000 Dial Plan to add 866 number

What you are looking to do is DID number assignment.  You want to assign a specific DID number to an extension.  In this case the extension just happen to be a conf bridge.  

Checkout these link for help.
http://www.voip-info.org/wiki/index.php?page=3Com

http://www.voip-info.org/wiki/view/3com

http://www.3cug.com/

http://www.nbxgroup.com/nbxcommunityservices/index.php

http://nbxgroup.com/mywebsite/

Good luck!