User's Manual

Table Of Contents
IP Phone with Color Display
As the VIP-1120PT is an IP phone, it allows you to make calls from any location easily as long as it is
online. Its 2.4-inch TFT color display with a resolution of 320 x 240 pixels offers a clear depiction of
caller’s information. It complies with IEEE 802.3af PoE interface for flexible deployment and supports
superior audio quality delivered by the advanced speaker and microphone system, and the digital
signal processor (DSP).
Compliant with SIP 2.0
SIP phones continue to gain popularity among businesses as the preferred protocol for enhancing
communication across IP networks. The VIP-1120PT supports Session Initiation Protocol 2.0 (RFC
3261) for easy integration with general voice over IP system. The VIP-1120PT is able to broadly
interoperate with equipment provided by VoIP infrastructure providers, thus enabling them to provide
their customers with better voice over IP services.
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