VoIP Case Studies

Power and cooling advantages with VoIP

Are there VoIP white papers that compare the power use and cooling advantages/disadvantages of a VoIP vs traditional PBX?

Videoconferencing

what is the best way to deploy videoconferencing services? An Internet solution over fiber with a 5 MB bandwidth, Satellite connection or over a data network (MPLS)? but the last is an expensive solution. and videoconferencing services are used for meetings and interview which rarley occur of daily...