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Internet Telephony/H323/SIP (Session
Initiation Protocol) Resources
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- Teledata
Networks (Site includes an extensive free
knowledge center with white papers and a technical dictionary.)
- VoIP User
(Website is an information guide dedicated to the subject of voice telephony over the
Internet and other data networks.)
- VoIP
Troubleshooter (VoIP Troubleshooter is a free online resource for network managers, providing background information and online diagnostic tools.
)
- SIP (Session Initiation Protocol) Forum
- The SIP Center
- SIP
Tutorial
- Voice over IP Calculator
(Provides free online resources for engineers involved in the deployment
of Voice over IP and other network convergence technologies. Our sites includes free
online bandwidth calculators, technical papers, a forum and a VoIP directory. )
- White paper from Ganymede Software, Inc.
covering Voice over IP. Requires Adobe Acrobat
- Telephony Magazine
- VON (Voice Over
the Net)
- Virtual Voice Home Page
- International VOIP Council
(The mission of the Council is to disseminate the
message that VoIP has vastly improved, is reliable, can lower
operating costs, and delivers new, meaningful features and benefits
for both the business and individual user.)
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Internet Telephony Providers
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- Pandetix
(Provides software enabling value added resellers
to deploy Voice-over-IP (VoIP) managed services. They provide the
reseller control over all aspects of a managed VoIP service for
their customers including monitoring, managing, notification,
reporting and web portals for each customer.)
- VOXBone (Provides
international virtual numbers and VoIP origination services
worldwide.)
- Packet8
VoIP Services (Broadband voice and
videophone service provider.)
- AT&T
CallVantage
- Howdy
Corporation (Internet Appliances (Non
PC) R&D, System integration and solution provider.)
- Phonom
- iConnect
- Advanced VoIP
Billing System
- ICC Public Communication
Systems
- Vonage Digital Voice
- 1Internet Phone
- POP-star Communications (Vancouver-based
developer of unified messaging products (mail, VoIP, FoIP, conversions software,
gateways/gatekeepers) and also offer a unique clearinghouse service)
- ISPhone (Voice over Internet
Protocol (VoIP) services for ISPs, ITSPs, CLECs, CASP and other service providers and
businesses from ISPhone)
- Clarisys (Makers
of the Claritel-i750, a USB-device that enables users to make voice over IP calls.) Claritel-i750, a
USB-device that enables users to make voice over IP calls.)
- SipTelecom
(Free
iPN Internet Phone Number allow people to call each other by a click on a link.)
- Go2Call (Go2Call
is a comprehensive, one-stop resource, offering Internet calling products and services to
consumers and businesses.)
- IP Voice Communications
- Cosmobridge
- J2 (Fax
over Internet provider.)
- Aplio, Inc. (Internet
telephony appliances.)
- Level Three Communications
- Nuera Communications, Inc.
- Net Office 2000, Inc
- CosmoCom, Inc.
- CallWare Technologies, Inc.
- Intervoice, Inc.
- ADIR VOIP Technologies
- Voxware, Inc.
- EasyLink
- First Visual
Communications
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