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Grandstream GXP 2000

$100.00Price
Code: ALWGXP2000

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