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Chapter 1
Introduction
Overview
Meeting the next-generation Internet telephony service demands, PLANET Technology provides
feature-rich, toll-quality Internet telephony service solutions. The 802.3af Power over Ethernet (PoE) IP
Phone VIP-155PT brings cost-effective solution for voice communications and interoperates VoIP
hardware and systems from major third party vendors with traditions of PLANET VoIP family. As a
feature-rich IP Phone, the VIP-155PT fulfills your needs. The VIP-155PT is SIP 2.0 (RFC3261)
compliant with SIP digest authentication supports. And the VIP-155PT is the cost-effective SIP PoE IP
Phone.
The VIP-155PT feature high-quality speakerphone technology; also include an easy-to-use speaker
on/off button and call hold/transfer buttons for various voice services. These features go beyond the
conventional voice systems nowadays, and the PoE IP phones are cost-effective solution for Internet
Telephony Service Provider (ITSPs) communications and interoperate VoIP hardware and systems
form othe major third party vendors with the traditions of PLANET VoIP family.
As feature-rich IP Phones, the VIP-155PT fulfill your needs. They are simple to use, and have
additional features such as built-in PPPoE/DHCP clients, password-protected machine management,
large LCD menu display, hands-free speakerphone, last number redial, incoming message indicator,
and user-intuitive web administration system.
The VIP-155PT are self-contained, service-integrated IP phones — offers intelligent phone features,
and powerful voice processing power. The VIP-155PT can effortlessly deliver toll voice quality
equivalent to the regular PSTN connections utilizing cutting-edge Quality of Service, echo cancellation,
comfort noise generation and voice compensation technology. Meanwhile, the dual Ethernet interfaces
on the VIP-155PT allow users to install in an existing network location without interfering with desktop
PC network connections. The new VIP-155PT deliver more convenience, efficiency, innovation and
benefits of VoIP in your dailylife.
VIP-155PT Functions
• Simple Installation and administration
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