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4PSA Receives 2014 INTERNET TELEPHONY Product of the Year Award
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Callback Service in USA Callback Service in USACallback Service in USA

found 46 companies

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VoIP Provider:
The Real PBX
Location: USA : Newport Beach
Main Category: SIP Trunking
Categories: VoIP Toll Free
Protocols: SIP
Services: Voicemail, Caller ID with Name, Call Waiting, Call Forwarding, 911 Service, Keep Existing Number, SoftPhone, Fax over IP (FoIP), Toll-Free Number, DID (Local numbers), SIP Trunking, VoIP International A-Z, Callback Service, Iphone VoIP Solutions
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VoIP Provider:
Vonage LLC
Location: USA
Main Category: IP Communications
Categories: Residential VoIP, VoIP International A-Z, IP Communications, Solutions for ISP's, Voip Conference
Protocols:
Services: Voicemail, Call Forwarding, Call Transfer, SoftPhone, PC-to-PC, PC-to-Phone, VoIP International A-Z, Callback Service, Solutions for ISP's
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VoIP Provider:
Phone.com
Location: USA
Main Category: IP Communications
Categories: Residential VoIP, VoIP International A-Z, IP Communications, Solutions for ISP's, Voip Conference
Protocols:
Services: Voicemail, Call Forwarding, Call Transfer, SoftPhone, PC-to-PC, PC-to-Phone, VoIP International A-Z, Callback Service, Solutions for ISP's
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VoIP Provider:
DID Logic Inc.
Location: USA : New York
Main Category: VoIP Origination
Categories: VoIP DID Providers, Wholesale VoIP, VoIP Origination, VoIP Termination, VoIP Billing
Protocols: SIP, Skype
Services: Caller ID, Call Forwarding, PC-to-PC, PC-to-Phone, Toll-Free Number, Virtual Office, DID (Local numbers), SIP Trunking, VoIP Toll Free, Callback Service, Web Call, Web To Phone, Mobile VoIP Solutions, Iphone VoIP Solutions
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VoIP Provider:
Transbeam
Location: USA : New York
Main Category: VoIP Metro Ethernet
Categories: VoIP Metro Ethernet
Protocols:
Services: Caller ID with Name, Caller ID, 3-Way Calling, Call Waiting, Call Forwarding, Enhanced Calling Features, Call Transfer, 911 Service, Do Not Disturb, Assistance, Conference Call, DID (Local numbers), Call Recording, Callback Service
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VoIP Provider:
KOL TELECOM
Location: USA
Main Category: VoIP Termination
Categories: VoIP DID Providers, Residential VoIP, Wholesale VoIP, IP PBX, VoIP Billing
Protocols: H.323, IAX, SIP
Services: SoftPhone, Click-to-Call, PC-to-PC, PC-to-Phone, Video VoIP (VVoIP), DID (Local numbers), Callback Service, Calling Cards, Web Call, Web To Phone, Billing Software
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VoIP Provider:
IPsmarx Technology, Inc
Location: USA : Reston
Main Category: VoIP Billing
Categories: IP Communications
Protocols: H.323, SIP
Services: Enhanced Calling Features, Callback Service, Calling Cards, Mobile VoIP Solutions, Billing Software
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VoIP Provider:
7Seas Connect LLC
Location: USA : Arlington
Main Category: VoIP Origination
Categories: SIP Trunking, Residential VoIP, Wholesale VoIP, VoIP Termination, VoIP International A-Z
Protocols: H.323, SIP
Services: Free In-Network Calls, Caller ID, Speed Dial, SoftPhone, PC-to-PC, PC-to-Phone, VoIP Consulting, SIP Trunking, VoIP International A-Z, Callback Service, Web Call, Web To Phone, GSM VoIP Solutions, Iphone VoIP Solutions
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VoIP Provider:
Bridgevoice
Location: USA : Kew Gardens NY , USA
Main Category: IP-PBX Phone Systems
Categories: IP-PBX Phone Systems, Wholesale VoIP, VoIP International A-Z, IP Communications, Managed NOC Solution
Protocols: H.323, IAX, SIP, Megaco (H.248), SDP
Services: Caller ID with Name, Caller ID, Speed Dial, Call Waiting, Call Forwarding, Call Return (*69), Call Transfer, Keep Existing Number, DID (Local numbers), VoIP International A-Z, Callback Service, Calling Cards, Call Center Solutions, Billing Software
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VoIP Provider:
BroadTelephone
Location: USA : Newark
Main Category: VoIP International A-Z
Categories: Wholesale VoIP, VoIP Termination, VoIP International A-Z, IP PBX, Mobile VoIP
Protocols: SIP
Services: Voicemail, SoftPhone, PC-to-Phone, Virtual Office, VoIP Consulting, SIP Trunking, VoIP International A-Z, Callback Service, Calling Cards, GSM VoIP Solutions, Mobile VoIP Solutions, Iphone VoIP Solutions
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VoIP Provider:
Avangard Services Inc.
Location: USA
Main Category: VoIP Billing
Categories: Wholesale VoIP, VoIP Billing
Protocols: H.323, SIP
Services: Callback Service, Calling Cards, Call Center Solutions, Billing Software
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VoIP Provider:
Alxtel, Inc.
Location: USA : Chevy Chase
Main Category: VoIP International A-Z
Categories: VoIP Origination, VoIP Termination, IP PBX, Mobile VoIP, VoIP Billing
Protocols: H.323, SIP, MGCP
Services: Enhanced Calling Features, Fax over IP (FoIP), PC-to-PC, PC-to-Phone, Video VoIP (VVoIP), DID (Local numbers), SIP Trunking, Callback Service, Calling Cards, Mobile VoIP Solutions, Iphone VoIP Solutions, Call Center Solutions, Billing Software
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