Grandstream GXP2000 SIP VoIP Phone.
The Grandstream GXP-2000 sip phone is a next generation enterprise IP telephone based on open industry standards.
Built on innovative technologies, the GXP-2000 sip phone features market leading superb audio quality, rich functionalities, and excellent manageability at affordable prices.
Main Features:
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Support SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP(both client and server), PPPoE, TFTP, NTP
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Support NAT traversal (STUN, etc), server fail-over, SIP presence (SIMPLE), and more
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Multiline support of up to 11 lines indicators (expandable to a few dozen more through expansion key-module)
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Graphical LCD to display up to 8 lines and 22 characters per line
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Dual 10/100Mbps Ethernet ports
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Headset jack
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Support Caller ID display or block, per call or permanent
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Call waiting, Hold, Mute, Transfer (blind or attended), Forward, and more
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Multi-party conferencing
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Integrated Power-over-Ether (802.3af)
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And many more enterprise grade features
