Internet phone service providers

SIP internet phone service providers

SIP, the Session Initiation Protocol, is a signaling protocol for Internet conferencing, telephony, presence, events notification and instant messaging.

Choose SIP internet phone service provider:

1TouchTone.com AccessLine Actica Communications Corp Advanced VoIP Adwell Communication LLC Alturaphone ArtDio Co., Inc. Bandwidth.com Best2Call BinFone Telecom Broadvox Direct Celergy Networks, Inc. Color Broadband, Inc. Compro Technologies, Inc. Comvoz Communication DIDXchange.com Dialdigit Digerati Networks Doretel Communications, Inc. Dow Networks EMPORIUM TELECOM EmpoTel Freeway Communications LLC HelloSoft, Inc. IP Communications IP USA IP-Com IVR Technologies, Inc. Inovaware Corporation Integrated VoIP Solutions

Internet Internet Area Network Inc. JS Communications LignUp Corporation LogiTel Majosa Communications Corp Mconnect, Inc. MeritCall Telecommunication Multi-Tech Systems, Inc NCSVOICE.COM Pandora Networks Parwan Electronics Corp. PennyTalk: Calling Card R-R Telecom RB Telecom Reignmaker Communications SMART NETWORK SOLUTIONS SOYO Group, Inc SkyNET Telesystems Solegy Super Technologies Inc. Total Sanity Solutions Inc UBIfone Global VoIP Atlantic, Inc. VoIPCall.net WRCA.net WireSpeed Telecommunications XO COMMUNICATIONS INC deltathree