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Chapter 1
Introduction
Overview
PLANET continues to bring innovation to the Voice over IP communications market with cutting edge
products and Internet telephony manufacturing experience.
PLANET now introduces the latest member
of mainstream enterprise series 4-line desktop PoE IP phone family: the VIP-351PT.
The standard features of the VIP-351PT includes 4-line, dual 10/100 switched Ethernet ports and
integrated IEEE power over Ethernet (802.3af) circuitry for offering a choice of powering and cabling
options to help reduce cabling expenses and cord clutter.
To give most flexibility to users, the VIP-351PT platform contains a 128 x 64 pixels graphic LCD with
Back light, 4 Line keys, 4 soft-buttons, 5 speed dials, 7 fixed function keys and a navigation key. The
PLANET VIP-351PT desktop phone is engineered to make Easy-to-install communications,
cost-effective to deploy, self-contained, service-integrated, intelligent phone features offering and
powerful voice processing power as possible.
The VIP-351PT can effortlessly deliver toll voice quality equivalent to the regular VoIP / IP PBX
connections utilizing cutting-edge 802.1p QoS (Quality of Service) capabilities to encompass, 802.1q
VLAN tagging, 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 connections of desktop PC networks.
The VIP-351PT has streamlined wired IP telephone that provides additional features such as built-in
PPPoE / DHCP clients, password-protected machine management, call hold, forwarding, mute, transfer,
waiting, pickup, caller ID, speed-dial, 3-way conference, last number redial, incoming message
indicator, multiple call appearances and user-intuitive web administration system.
Product Features
•
IEEE 802.3af Power-over-Ethernet
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Full-Featured enterprise SIP Desktop Phone
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802.1p (QoS) / 802.1q (VLAN)
•
Full duplex speakerphone (mic and speaker)
•
Pixel-based monochrome LCD (128 x 64) with backlight
•
Efficient installation deployment of IP PBX solution
•
Reversible base stand / wall mount
VoIP Features
•
SIP 2.0 (RFC3261) compliant
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Supports up to 4 service domains
•
Interoperability with leading PLANET IP PBX platforms
•
Voice codec support: G.711(A-Law, u-Law), G.723.1, G.729 A/B
•
In-band, out-of-band DTMF Relay (RFC 2833) and SIP INFO
•
Three-way Conference / Caller ID / Speed Dial
•
Call Hold / Mute / Forward / Transfer / Waiting
•
Voice processing: VAD, CNG, AEC, Adaptive Jitter Buffer Management
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