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Voip Providers supporting:
 | SIP protocol |  |
found 547 companies
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VoIP Provider: RTX Telecom
Location: Denmark/Noerresundby
Main Category: Voip engineering
Categories: Hardware, Voip engineering
Protocols: SIP
Services: Consultancy Services, IP devices, Project Mangement Services, SIP VoIP Gateway
VoIP Provider: Atreus
Location: Canada/Ottawa
Main Category: Voip engineering
Categories: Voip engineering
Protocols: SIP
Services: System Integration, Project Mangement Services, Installation and Support Services, Collaboration
VoIP Provider: Clipcomm
Location: Korea (South)/Seoul
Main Category: Hardware
Categories: Hardware
Protocols: h.323, SIP
Services: Billing Software, H.323 Softswitch & CPE, H.323 VoIP Gateway, Phone To Phone, SIP Softswitch & CPE, SIP VoIP Gateway
VoIP Provider: ABIOTEL
Location: Czech Republic/HAVIROV
Main Category: Internet Telephony Service Provider
Categories: Internet VoIP and Video Conferencing Service Provider, Internet Telephony Service Provider
Protocols: SIP
Services: Call Relay VoIP Solutions
VoIP Provider: Lantone Information Systems LLP
Location: Singapore
Main Category: Voip consulting
Categories: Voip consulting
Protocols: IAX, SIP
Services: Call Relay VoIP Solutions, Call Routing VoIP Solutions, Consultancy Services, IP devices, PC to Phone, Phone To PC, Phone To Phone, SIP VoIP Gateway, System Integration
VoIP Provider: Anke Technology
Location: Hong Kong/Hongkong
Main Category: Hardware
Categories: Hardware
Protocols: SIP
Services: Billing Software
VoIP Provider: BS-Pbx
Location: Un. A. Emirates/Dubai
Main Category: Hardware
Categories: Hardware, Hosted VoIP billing service provider, Incumbent PTT, International VoIP Wholesale Provider, Internet Telephony Service Provider, Internet VoIP and Video Conferencing Service Provider, Network Service Provider, SIP Billing, VoIP Billing Software Provider, Voip consulting, Voip engineering, Voip Termination ISP, Wireless Broadband
Protocols: h.323, IAX, MGCP, SIP
Services: Billing Software, Call Relay VoIP Solutions, Call Routing VoIP Solutions, Collaboration, Consultancy Services, Data Conferencing, E1 Bulk Wholeseller, Fax To Fax, Gatekeepering, 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, Project Mangement Services, SIP Softswitch & CPE, SIP VoIP Gateway, System Integration, Termination, Voice and Video Conferencing, vPhone, Web Call, Web To Phone
VoIP Provider: Ivy Telecom
Location: Switzerland/Zurich
Main Category: International VoIP Wholesale Provider
Categories: Incumbent PTT, International VoIP Wholesale Provider, Internet Telephony Service Provider, Voip consulting, Voip Termination ISP
Protocols: h.323, SIP
Services: Billing Software
VoIP Provider: BroadTone.net
Location: USA/New York
Main Category: Internet Telephony Service Provider
Categories: Internet Telephony Service Provider, Internet VoIP and Video Conferencing Service Provider, Network Service Provider, Voip Termination ISP
Protocols: IAX, SIP
Services: Call Relay VoIP Solutions, Call Routing VoIP Solutions, Fax To Fax, Phone To Phone, SIP Softswitch & CPE, SIP VoIP Gateway, Termination, Web Call
VoIP Provider: Grouphone
Location: USA
Main Category: Internet Telephony Service Provider
Categories: Hardware, Internet Telephony Service Provider, International VoIP Wholesale Provider, Incumbent PTT, Hosted VoIP billing service provider, Internet VoIP and Video Conferencing Service Provider, Network Service Provider, SIP Billing, VoIP Billing Software Provider, Voip consulting, Voip engineering, Voip Termination ISP, Wireless Broadband
Protocols: IAX, SIP, h.323
Services: Billing Software
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