1st Internet Pay Phone - USA and international long distance phone calls via the.
Businesses can run their interoffice PBX traffic over the VoIP service.
Abacus Telecom - Online prepaid calling cards Phone to Phone, PC to PC and PC to Phone. Three - The first company to offer Phone to Phone service. CyberSecretary provide a bunch of cool services. Technologies - Internet Telephony Gateway carrier services. Providing world-wide PSTN termination for VocalTec, Computer Protocol and Netspeak Gateways.