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End-to-End VoIP Product Comparison Testing
sponsored by InterWorking Labs, Inc.
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This report summarizes the results of comparison testing between six Voice-over-IP products:
- Pingtel Xpressa PX-1 (a "hard" phone)
- Pingtel Instant Xpress (a software phone on a Dell PC)
- Cisco 7960 (a full-featured VoIP phone)
- Cisco 7905 (a streamlined-functionality phone)
- Cisco 7935 "ConfPhone" (a conferencing phone)
- Cisco ATA186 "POTS Adapter" (a device that allows a plain ordinary telephone to be connected to the Internet for VoIP use)
All these phones are real products being marketed today. All were tested under a variety of network conditions which are nearly identical to what they might encounter when operated in the open Internet.
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