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 | VoIP providers in USA |  |
found 138 companies
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VoIP Provider: Call00, Inc.
Location: USA
Main Category: Internet Telephony Service Provider
Categories: Internet Telephony Service Provider, Hardware
Protocols: h.323, SIP
Services: Call Relay VoIP Solutions, Fax To Fax, H.323 VoIP Gateway, IP devices, PC to Phone, Phone To Phone, SIP VoIP Gateway
VoIP Provider: Cbeyond Communications
Location: USA/Atlanta
Main Category: Internet Telephony Service Provider
Categories: Internet Telephony Service Provider, Hardware
Protocols: IAX
Services: SIP Softswitch & CPE, SIP VoIP Gateway
VoIP Provider: Alepo
Location: USA/Palo Alto
Main Category: Hardware
Categories: Hardware, VoIP Billing Software Provider, SIP Billing
Protocols: SIP, MGCP, h.323, IAX
Services: Billing Software
VoIP Provider: Accudata Technologies
Location: USA
Main Category: Internet Telephony Service Provider
Categories: Internet Telephony Service Provider
Protocols: IAX, SIP
Services: Collaboration, Consultancy Services, Installation and Support Services, PC to Phone, Phone To PC, Phone To Phone, System Integration, vPhone, Web Call, Web To Phone
VoIP Provider: ArtDio Co., Inc.
Location: USA/La Puente
Main Category: Hardware
Categories: Hardware, International VoIP Wholesale Provider
Protocols: h.323, MGCP, SIP
Services: Gatekeepering, H.323 VoIP Gateway, Installation and Support Services, IP devices, Phone To Phone, SIP VoIP Gateway
VoIP Provider: AccessLine
Location: USA/Bellevue
Main Category: Internet Telephony Service Provider
Categories: Network Service Provider, Internet Telephony Service Provider, International VoIP Wholesale Provider
Protocols: SIP
Services: SIP Softswitch & CPE, Phone To Phone, Partnering for Origination and Termination, IP devices, Fax To Fax, Call Routing VoIP Solutions, SIP VoIP Gateway, Termination
VoIP Provider: Accuva
Location: USA/Houston
Main Category: Network Service Provider
Categories: Network Service Provider, Hardware, Voip consulting
Protocols: SIP, h.323
Services: Termination, Project Mangement Services, Partnering for Origination and Termination, Consultancy Services
VoIP Provider: CyrusOne
Location: USA/Houston
Main Category: Network Service Provider
Categories: Network Service Provider, Voip consulting
Protocols: IAX
Services: Call Relay VoIP Solutions, Consultancy Services, Installation and Support Services, Project Mangement Services
VoIP Provider: Compro Technologies Inc.
Location: USA/Forked River
Main Category: Voip consulting
Categories: Hardware, Voip consulting, Voip engineering
Protocols: h.323, SIP
Services: Call Routing VoIP Solutions, Consultancy Services, H.323 Softswitch & CPE, H.323 VoIP Gateway, Installation and Support Services, Partnering for Origination and Termination, Project Mangement Services, System Integration
VoIP Provider: Colo
Location: USA/Orlando
Main Category: Network Service Provider
Categories: Network Service Provider, Internet Telephony Service Provider, Hosted VoIP billing service provider, Hardware
Protocols: IAX
Services: Installation and Support Services
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