VoIP user groups

Victoria Linux Users Group
The VLUG has a VOIP Special Interest Group
Toronto Wireless Use Group
Loads of information
Great Lakes Cisco Users Group
The Great Lakes Cisco Users Group - Detroit Chapter is a non-profit independent users group which is dedicated to the open exchange of information in the fields of telecommunications and internetworking.
Asterisk Australian and New Zealand User Group
This group is for Australian and New Zealand Asterisk PBX users to discuss configuration, hardware and problem solving specific to the ANZ region.