The document provides a user manual for the Grandstream GXV-3000 IP Video Phone. It describes the key features and specifications of the phone, including support for SIP 2.0, H.263 and H.264 video codecs, a 5.6" LCD screen, and dual Ethernet ports. Installation instructions are provided along with details on making calls, configuration options via the keypad menu, web interface and provisioning server, and advanced features like screensavers, ring tones and video surveillance. The manual contains over 50 pages of documentation on using and managing the GXV-3000 IP video phone.