GXP 2000
The Grandstream GXP-2000 is a next-generation multi-line enterprise SIP telephone that is feature rich, easy to use, supports integrated power-over-Ethernet (POE), dual 10M/100Mbps Ethernet ports and is competitively priced. Expandable, secure and easy to manage, the GXP-2000 is an ideal IP phone for both the small business and the enterprise customer.
In addition, the GXP is 'XML ready', supports a broad range of voice codecs and is interoperable with most 3rd party SIP platforms and open-source platforms.
Grandstream GXP-2000 Features Include:
- Support SARP/RARP, ICMP, DNS, DHCP, NTP, TFTP protocols
- Support NAT traversal via STUN & symmetric RTP
- Support SIP SIMPLE standard for Instant Messaging and Presence
- Interoperable with various 3rd party SIP end user device, Proxy/Registrar/Server, and gateway products
- Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality
- Advanced and patent pending adaptive jitter buffer control, packet delay & loss concealment technology
- Support popular vocoders including G.723.1 (5.3K/6.3K),
G.729A/B, G.711 (a-law and u-law), G.726, G.728, and wide-band G.722
(Model 102D). Dynamic negotiation of codec and voice payload length
- Support standard voice features such as Caller ID Display or
Block, Call Waiting, Hold, TransfForward, FLASH, in-band and
out-of-band DTMF (RFC2833), Dial Plans, off-hook auto dial,
configurable emergency dialing (e.g., 911), early dial, click-to-dial
- Support 3-way conferencing, full duplex hands-fredomain
acoustic echo cancellation (pending), redial, call log, volume control,
voice mail with indicator, downloadable ring tone
- Support Silence Suppression, VAD (Voice Activity Detection),
CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC
(Automatic Gain Control)
- Support DIGEST authentication and encryption using MD5 and MD5-sess.
- Provide easy configuration thru manual operation (phone keypad
and Web interface) or personalized automated provisioning via central
configuration file for mass deployment.
- Support for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
- NAT-friendly remote software upgrade capability (via tftp) even from behind firewalls/NATs.
- Support for fail-over SIP server and DNS server
The Grandstream GXP-2000 has two switching RJ45 Ethernet ports.
This phone is suitable for all SIP environments including Asterisk & Trixbox.
For more information we recomend:
http://www.voip-info.org/wiki/view/GXP-2000
