- Conference and Call Center(2)
- Internet Phone(10)
- Software(6)
- Vocalbox(2)
- ad SecureLogix
- securelogix.com
- Provides enterprise telephony management systems.
- Radavision
- www.radvision.com
- SIP, 3G-324M, H.323 stacks and testing tools for VoIP vendors.
3.7
(si*)
<10
<5
5
- Packetizer
- www.packetizer.com
- Technical information about VoIP and videoconferencing.
3.6
(si*)
<5
-
5
- IP xStream
- www.iptelephony.org
- IP Telephony data source. Includes VoIP vendor directory.
3.4
(si*)
-
-
4
- Voice Systems Research, Inc.
- www.vsrusa.com
- Provides unified messaging, voice mail, advanced call routing, and IP-based telephony solutions.
3.2
(si*)
-
-
4
- VOIP Telephone Systems
- www.voiptelephonesystem.org
- Resource, technical information and services for VOIP telephone systems and installation.
3.2
(si*)
-
-
3
- VoIP Ez
- voipez.com
- Offers in depth information on implementing VoIP in both consumer and commercial settings.
3.1
(si*)
-
-
3
- TheVoipGuide.org
- www.thevoipguide.org
- Online VoIP technology guide. Includes forum and speed test.
3.2
(si*)
<5
-
3
- NetYak
- www.netyak.com
- Web-to-phone call button for e-commerce.
3.1
(si*)
-
-
3
- Phone Systems London
- www.phone-systems-london.net
- Reviews suppliers of IP telephony in London.
3.5
(si*)
<10
-
3
- IP Telephony
- www.telephony-voip.net
- Resource blog for VoIP technology from a former IT tech.
3.3
(si*)
<10
-
2
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