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Chapter 1
1
Introduction
Overview
Meeting the next-generation Internet telephony service demands, PLANET Technology provides
feature-rich, toll-quality Internet telephony service solutions. With 802.3af Power over Ethernet (PoE) IP
Phone-VIP-254PT. And the VIP-254T is the cost-effective SIP IP Phone; the VIP-254 series are SIP
2.0 (RFC3261) compliant with SIP digest authentication supports.
The VIP-254T / VIP-254PT ("IP Phone" in the following term) features high-quality speakerphone
technology, and includes an easy-to-use speaker on/off button and call hold/transfer buttons for various
voice services.
The IP Phone has additional features such as built-in PPPoE/DHCP clients, password-protected
machine management, LCD menu display, 3-way conference keys, hands-free speakerphone,
incoming message indicator, and user-intuitive web administration system.
The IP Phone is self-contained, service-integrated, intelligent phone features offering, and powerful
voice processing power. The IP Phone can effortlessly deliver toll voice quality equivalent to the regular
SIP protocol connections utilizing cutting-edge Quality of Service, echo cancellation, comfort noise
generation (CNG) and voice compensation technology. Meanwhile, the dual Ethernet interfaces on the
IP Phone allow users to install in an existing network location without interfering with desktop PC
network connections.
Besides, the IP Phones are ideal solution for office / home use as well as installation for Internet
Telephony Service Provider (ITSP) from leading vendors. It's the delivery platform for IP voice services
that makes benefit from the VoIP technologies in your daily life.
There are models for VIP-254T/VIP-254PT and there are:
VIP-254T: SIP IP Phone
VIP-254PT: 802.3af PoE SIP IP Phone
Product Features
• Simple Installation and administration
Configuration of the IP Phone can be performed in minutes via the LCD menu keypad, or web
interfaces. Using the built-in LCD display, the IP Phone offers user-friendly configuration guidelines,
machine operation status, call status displays, and incoming call identification.
• Feature-rich keypad IP Phone
The IP Phone integrates a high-quality speakerphone with the Call Hold, Forward, Transfer and
Waiting functions and also provides advanced telephone features, such as 3-way conference key,
incoming call history indicator in a much more convenient and functional manner than traditional
telephone sets.