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Voip Providers supporting:
 | SIP protocol |  |
found 547 companies
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VoIP Provider: OrbitTelcom
Location: Mozambique/Maputo
Main Category: Voip engineering
Categories: Network Service Provider, Voip engineering
Protocols: SIP
Services: Installation and Support Services
VoIP Provider: Dow Networks
Location: USA/Atlanta
Main Category: Internet Telephony Service Provider
Categories: International VoIP Wholesale Provider, Internet Telephony Service Provider, Network Service Provider
Protocols: h.323, SIP
Services: Call Relay VoIP Solutions, Call Routing VoIP Solutions, Consultancy Services, Gatekeepering, H.323 Softswitch & CPE, H.323 VoIP Gateway, H.323 Wireless/ GSM VoIP Solutions, Installation and Support Services, Partnering for Origination and Termination, Phone To Phone, Project Mangement Services, SIP Softswitch & CPE, SIP VoIP Gateway, System Integration, Termination
VoIP Provider: Pandora Networks
Location: USA/Emeryville
Main Category: Internet Telephony Service Provider
Categories: Internet Telephony Service Provider
Protocols: SIP
Services: Call Relay VoIP Solutions, Call Routing VoIP Solutions, Collaboration, Installation and Support Services, IP devices, PC to Phone, Phone To PC, Phone To Phone, SIP Softswitch & CPE, SIP VoIP Gateway, Voice and Video Conferencing
VoIP Provider: Adwell Communication LLC
Location: USA/Gresham
Main Category: Internet Telephony Service Provider
Categories: Internet Telephony Service Provider
Protocols: SIP
Services: Billing Software, Call Relay VoIP Solutions, Consultancy Services, Installation and Support Services, IP devices, Partnering for Origination and Termination, PC to Phone, Phone To PC, Phone To Phone, SIP Softswitch & CPE, SIP VoIP Gateway, System Integration, Termination, Voice and Video Conferencing, vPhone, Web To Phone
VoIP Provider: Shenzhen Debole Technology Co. Ltd
Location: China/Shenzhen
Main Category: International VoIP Wholesale Provider
Categories: Hardware, International VoIP Wholesale Provider, Voip consulting, Voip engineering
Protocols: h.323, SIP
Services: H.323 VoIP Gateway, SIP VoIP Gateway
VoIP Provider: Asergis Limited
Location: United Kingdom/London
Main Category: Internet Telephony Service Provider
Categories: International VoIP Wholesale Provider, Internet Telephony Service Provider
Protocols: SIP
Services: Call Routing VoIP Solutions
VoIP Provider: ThinkTel Communications
Location: Canada/Edmonton
Main Category: International VoIP Wholesale Provider
Categories: Hosted VoIP billing service provider, International VoIP Wholesale Provider, Internet Telephony Service Provider, Internet VoIP and Video Conferencing Service Provider, SIP Billing, Voip Termination ISP
Protocols: MGCP, SIP
Services: Billing Software
VoIP Provider: BASE COMMUNICATIONS
Location: India/Bangalore
Main Category: Internet Telephony Service Provider
Categories: Internet Telephony Service Provider
Protocols: SIP, h.323
Services: Phone To Phone, Phone To PC, PC to Phone, Installation and Support Services
VoIP Provider: Next Voip Solutions GmbH
Location: Germany/Frankfurt am Main
Main Category: International VoIP Wholesale Provider
Categories: Internet Telephony Service Provider, Voip consulting, Voip engineering, Voip Termination ISP, International VoIP Wholesale Provider
Protocols: h.323, IAX, SIP
Services: Call Routing VoIP Solutions, Consultancy Services, E1 Bulk Wholeseller, H.323 VoIP Gateway, Installation and Support Services, Partnering for Origination and Termination, SIP VoIP Gateway, System Integration, Termination
VoIP Provider: PCTelcom
Location: Canada/Laval
Main Category: Hardware
Categories: Hardware
Protocols: h.323, SIP
Services: IP devices, Partnering for Origination and Termination, PC to Phone, Phone To PC, Phone To Phone, SIP VoIP Gateway
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