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Voip Providers supporting:
 | SIP protocol |  |
found 547 companies
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VoIP Provider: ZHENGZHOU YUNENG COMMUNICATION CO.,LTD
Location: China/ZHENGZHOU
Main Category: Hardware
Categories: Hardware
Protocols: h.323, IAX, SIP
Services: IP devices
VoIP Provider: VentureVoIP LTD
Location: New Zealand/Dunedin
Main Category: Internet Telephony Service Provider
Categories: Voip consulting, Internet Telephony Service Provider
Protocols: h.323, IAX, MGCP, SIP
Services: Billing Software, Call Relay VoIP Solutions, Call Routing VoIP Solutions, Collaboration, Consultancy Services, Data Conferencing, H.323 Softswitch & CPE, H.323 VoIP Gateway, H.323 Wireless/ GSM VoIP Solutions, Installation and Support Services, IP devices, Outsourced Billing, 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 Call, Web To Phone
VoIP Provider: Cabuyao.Online
Location: Philippines/Makati City
Main Category: Internet VoIP and Video Conferencing Service Provider
Categories: Voip Termination ISP, Internet VoIP and Video Conferencing Service Provider, Internet Telephony Service Provider, International VoIP Wholesale Provider, Hardware
Protocols: SIP
Services: Web To Phone, Web Call, Termination, SIP Softswitch & CPE, IP devices, Installation and Support Services, Collaboration, Call Routing VoIP Solutions, Call Relay VoIP Solutions
VoIP Provider: OpenTone
Location: Philippines/Muntinlupa
Main Category: Internet Telephony Service Provider
Categories: International VoIP Wholesale Provider, Hardware, Internet Telephony Service Provider, Internet VoIP and Video Conferencing Service Provider, Voip consulting, Voip Termination ISP
Protocols: SIP
Services: Call Routing VoIP Solutions, Consultancy Services, Installation and Support Services, IP devices, Partnering for Origination and Termination, SIP VoIP Gateway, Termination, Voice and Video Conferencing
VoIP Provider: Crumb group d.o.o.
Location: Bosnia/Bijeljina
Main Category: Voip Termination ISP
Categories: Voip Termination ISP, Internet Telephony Service Provider
Protocols: SIP, h.323
Services: Termination, Phone To Phone, PC to Phone, Call Relay VoIP Solutions
VoIP Provider: CallExchange
Location: USA
Main Category: Hosted VoIP billing service provider
Categories: Voip Termination ISP, VoIP Billing Software Provider, SIP Billing, Internet Telephony Service Provider, International VoIP Wholesale Provider, Hosted VoIP billing service provider
Protocols: SIP, h.323
Services: Termination, SIP VoIP Gateway, SIP Softswitch & CPE, Phone To Phone, Phone To PC, PC to Phone, Partnering for Origination and Termination, Outsourced Billing, H.323 VoIP Gateway, H.323 Softswitch & CPE, Gatekeepering, E1 Bulk Wholeseller, Collaboration, Call Routing VoIP Solutions, Call Relay VoIP Solutions, Billing Software, Web Call, Web To Phone
VoIP Provider: TunamalCom LLC
Location: Mongolia/Ulaanbaatar
Main Category: International VoIP Wholesale Provider
Categories: International VoIP Wholesale Provider, Internet Telephony Service Provider, Voip Termination ISP
Protocols: h.323, SIP
Services: Call Routing VoIP Solutions, E1 Bulk Wholeseller, H.323 VoIP Gateway, Phone To Phone, Termination
VoIP Provider: Voxbone
Location: Belgium
Main Category: International VoIP Wholesale Provider
Categories: Internet VoIP and Video Conferencing Service Provider, Internet Telephony Service Provider, International VoIP Wholesale Provider
Protocols: SIP
Services: Partnering for Origination and Termination
VoIP Provider: Dynasoft Ltd
Location: United Kingdom/St Clement
Main Category: Voip Termination ISP
Categories: VoIP Billing Software Provider, Voip Termination ISP
Protocols: h.323, SIP
Services: Billing Software, Call Routing VoIP Solutions, Collaboration, H.323 VoIP Gateway, H.323 Wireless/ GSM VoIP Solutions, IP devices, Outsourced Billing, SIP VoIP Gateway, System Integration, Termination
VoIP Provider: WireSpeed Telecommunications
Location: USA/Rockford
Main Category: Internet Telephony Service Provider
Categories: Hardware, Internet Telephony Service Provider, Internet VoIP and Video Conferencing Service Provider, Network Service Provider, Voip consulting, Voip engineering
Protocols: MGCP, SIP
Services: IP devices, PC to Phone, Phone To PC, Phone To Phone
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