Voice over IP Calculator
Free VoIP resources, including online bandwidth calculators, white papers, books, a directory and a forum.

Voiceglo
VoIP service offering free and paid plans. Some plans require phone adapter or USB phone with an Internet-connected computer.

VoicePulse
VoIP service offering phone-to-phone with device. Various features and calling plans.

VoIP Providers List
Information exchange for VoIP partners offering minutes termination and origination, as well as hardware and software trade.

VoIPOnline
Voice-over-IP news, supplier directory and chatrooms for discussing related industry topics.

VoipXchange
B2B VoIP exchange platform for carriers to buy/sell excess capacity on VoIP networks covering call termination in 250+ countries. No-fee membership required.

Vonage
Provides voice over internet local dial-tone service. No PC required. Uses analog telephone with broadband telephone adapter.

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