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Voip Providers supporting:
 | SIP protocol |  |
found 547 companies
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VoIP Provider: Telasco
Location: Armenia/Yerevan
Main Category: International VoIP Wholesale Provider
Categories: Internet Telephony Service Provider, International VoIP Wholesale Provider, Hardware
Protocols: SIP, h.323
Services: Web To Phone, Web Call, Termination, SIP VoIP Gateway, SIP Softswitch & CPE, Phone To Phone, Phone To PC, PC to Phone, H.323 Wireless/ GSM VoIP Solutions, H.323 VoIP Gateway, H.323 Softswitch & CPE, Call Routing VoIP Solutions, Call Relay VoIP Solutions
VoIP Provider: RTX
Location: Denmark/Noerresundby
Main Category: Hardware
Categories: Voip engineering, Hardware
Protocols: SIP
Services: Consultancy Services, IP devices, Project Mangement Services, SIP Softswitch & CPE, System Integration, vPhone
VoIP Provider: AirStar VoIP
Location: Canada/Calgary
Main Category: Internet Telephony Service Provider
Categories: Voip Termination ISP, Internet Telephony Service Provider, International VoIP Wholesale Provider
Protocols: SIP, IAX, h.323
Services: Termination, Phone To Phone, Phone To PC, PC to Phone
VoIP Provider: HAMZ Technologies Limited
Location: United Kingdom/London
Main Category: International VoIP Wholesale Provider
Categories: International VoIP Wholesale Provider
Protocols: h.323, SIP
Services: E1 Bulk Wholeseller
VoIP Provider: Wuchuan
Location: China/Shenzhen
Main Category: Hardware
Categories: Hardware
Protocols: SIP, IAX
Services: Web Call, Termination, SIP VoIP Gateway, IP devices, Installation and Support Services, H.323 VoIP Gateway
VoIP Provider: Beijing iPower Time Information Technologies Co., Ltd
Location: China/Beijing
Main Category: Hardware
Categories: Hardware
Protocols: SIP, MGCP, h.323, IAX
Services: Termination, System Integration, SIP VoIP Gateway, SIP Softswitch & CPE, IP devices
VoIP Provider: Callserve Communications
Location: United Kingdom/London
Main Category: Internet Telephony Service Provider
Categories: Internet Telephony Service Provider
Protocols: SIP
Services: Billing Software, IP devices, Partnering for Origination and Termination, PC to Phone, Phone To PC, Phone To Phone, SIP VoIP Gateway, Web Call
VoIP Provider: Altokom
Location: Nigeria/Port Harcourt
Main Category: Internet Telephony Service Provider
Categories: Network Service Provider, Internet Telephony Service Provider
Protocols: SIP
Services: Phone To Phone, Phone To PC, PC to Phone
VoIP Provider: Solegy
Location: USA/New York
Main Category: VoIP Billing Software Provider
Categories: VoIP Billing Software Provider, Hosted VoIP billing service provider
Protocols: SIP, h.323
Services: Outsourced Billing, Call Routing VoIP Solutions, Call Relay VoIP Solutions, Billing Software
VoIP Provider: ProfInfoTech
Location: Russia/St.-Petersburg
Main Category: VoIP Billing Software Provider
Categories: Hardware, VoIP Billing Software Provider
Protocols: h.323, SIP
Services: Billing Software, H.323 Softswitch & CPE, SIP Softswitch & CPE
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