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Voip Providers supporting:
 | SIP protocol |  |
found 547 companies
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VoIP Provider: Awantel GmbH
Location: Germany/Ludwigshafen
Main Category: International VoIP Wholesale Provider
Categories: International VoIP Wholesale Provider
Protocols: SIP
Services: Termination
VoIP Provider: IVR Technologies, Inc.
Location: USA/Los Angeles
Main Category: SIP Billing
Categories: SIP Billing
Protocols: SIP
Services: Billing Software
VoIP Provider: plzatelecom
Location: Bangladesh/dhaka
Main Category: International VoIP Wholesale Provider
Categories: International VoIP Wholesale Provider
Protocols: SIP, h.323
Services: Billing Software
VoIP Provider: VeeZCom
Location: Netherlands/Amsterdam
Main Category: Internet Telephony Service Provider
Categories: International VoIP Wholesale Provider, Internet Telephony Service Provider, Internet VoIP and Video Conferencing Service Provider, Network Service Provider
Protocols: h.323, SIP
Services: Billing Software, Call Routing VoIP Solutions, Collaboration, E1 Bulk Wholeseller, Fax To Fax, H.323 Softswitch & CPE, H.323 VoIP Gateway, H.323 Wireless/ GSM VoIP Solutions, Installation and Support Services, Partnering for Origination and Termination, PC to Phone, Phone To PC, Phone To Phone, SIP Softswitch & CPE, SIP VoIP Gateway, Termination, Voice and Video Conferencing, vPhone, Web Call, Web To Phone
VoIP Provider: CallCentric
Location: USA
Main Category: Internet Telephony Service Provider
Categories: Internet VoIP and Video Conferencing Service Provider, Internet Telephony Service Provider
Protocols: SIP
Services: Installation and Support Services, PC to Phone, Phone To PC, Phone To Phone
VoIP Provider: NejPhone.Com
Location: Bangladesh/Chittagong
Main Category: Internet Telephony Service Provider
Categories: International VoIP Wholesale Provider, Hosted VoIP billing service provider, Internet Telephony Service Provider, SIP Billing
Protocols: h.323, SIP
Services: Call Relay VoIP Solutions, Call Routing VoIP Solutions, E1 Bulk Wholeseller, Gatekeepering, H.323 Softswitch & CPE, H.323 VoIP Gateway, H.323 Wireless/ GSM VoIP Solutions, Installation and Support Services, IP devices, Partnering for Origination and Termination, PC to Phone, Phone To Phone, Project Mangement Services, SIP Softswitch & CPE, SIP VoIP Gateway, System Integration, Termination, Web To Phone
VoIP Provider: Curry
Location: USA/Monroeville
Main Category: Internet Telephony Service Provider
Categories: Internet Telephony Service Provider, Hardware
Protocols: SIP, h.323
Services: Termination, SIP Softswitch & CPE, Installation and Support Services, H.323 Softswitch & CPE, Consultancy Services, Collaboration, Call Routing VoIP Solutions, Billing Software
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