Grandstream GXP2000
The GXP2000 is a 4-line enterprise SIP telephone that is feature rich, easy to use, supports integrated power-over-Ethernet and is competitively priced. Expandable, secure and easy to manage, the GXP2000 offers superior audio quality, 4 individual SIP accounts, 7 programmable keys, visual message indicator, full duplex hands-free speakerphone, dual 10M/100Mbps Ethernet ports, intuitive user interfaces, large back-lit graphical LCD display with support for multiple languages, security and privacy protection, screen content customization using XML, automated phone book synchronization with directory server using XML, as well as broad interoperability with most 3rd party SIP products. The GXP2000 is an ideal IP phone for both the small business and the enterprise customer.

Features & Benefits
• Support SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), PPPoE, TFTP, NTP, DHCP (client only)
• Support NAT traversal (STUN, etc), server fail-over, SIP presence (SIMPLE), and more
• Multiline support of up to 11 lines indicators (expandable to 112 lines through expansion key-module)
• Graphical LCD to display up to 8 lines and 22 characters per line
• Dual 10/100Mbps Ethernet ports
• 2.5mm headset jack (versions 0.3 and 0.4 - 3.5mm headset jack)
• Support Caller ID display or block, per call or permanent
• Call waiting, hold, mute, transfer (blind or attended),forward, and more
• 3-way conferencing
• Integrated Power-over-Ethernet (802.3af)
• And many more enterprise grade features