The GXP2120 Executive HD telephone features 6 lines, a generous 320x160 backlit graphical LCD, 4 XML programmable context-sensitive soft keys, 7 XML programmable BLF extension keys, dual network ports with integrated PoE, and 5-way conference. Delivering superior HD audio quality, rich telephony features, personalized information and customizable application service, the GXP2120 is the perfect choice for enterprise users looking for a high quality, feature rich multi-line executive IP phone with advanced functionalities and performance.

The GXP2120 also supports automated provisioning for easy deployment, advanced security protection for privacy, and broad interoperability with most 3rd party SIP devices and leading SIP/NGN/IMS platforms.

• Support SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP(both client and server), PPPoE, TFTP, NTP
• Dual switched 10/100Mbps Ethernet ports w/integrated Power-over-Ethernet (802.3af)
• Support NAT traversal (STUN, etc), server fail-over, SIP presence (SIMPLE), and more
• Generous 320x160 pixel backlit graphical LCD display with up to 8 level grayscale
• 6 lines indicators with individual SIP account profiles
• 7 programmable hard keys and 4 XML programmable context-sensitive soft keys
• Multi-line support of up to 13 call appearance lines with dual-color LED indicators
• Expandable to additional 112 lines through expansion key-modules
• Support Caller ID display or block, per call or permanent
• Call waiting, hold, mute, transfer (blind or attended), forward, and more
• Multi-party conferencing (up to 5-way)
• Full duplex speakerphone w/advanced audio echo cancellation
• Headset jack (2.5 mm and RJ11) for broad headset compatibility
• Large phonebook (up to 2,000 contacts) and call history (up to 2,000 records)
• Automated provisioning using TR-069 or encrypted XML configuration file, SRTP and TLS for advanced security protection, 802.1x for media access control
• Automated personal information service (e.g., local weather, stock, currencies, RSS news, etc), personalized music ring tone/ring back tone/music-on-hold, flexible customizable screen content & format using XML, and advanced Web and enterprise applications integration (pending)

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