Grandstream phones GXP-2000 SIP phone

Model: Grandstream GXP-2000

IP Phone Features

• 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

 

Detailed Specifications

• Lines - 4 direct lines with 7 speed dial keys, up to 11 line calls (expandable to 112 lines with 2 daisy-chained GXP-2000EXT)
• Protocol Support
  • Support SIP RFC3261, TCP/UDP/IP, PPPoE, RTP/TRCP, SRTP, HTTP/HTTPS. ARP/RARP, ICMP, DNS, DHCP, NTP/SNTP, TFTP, TLS, SIMPLE/PRESENCE
  • Support up to 4 SIP accounts
  • Support for SIP PUBLISH method (RFC 3903), SIP Presence package (RFC 3856, 3863) for use of 7 MFKs and GXP-2000EXT, SIP Dialog package (RFC 4235)
  • Support SIP MESSAGE method (RFC 3428) and up to 1000 incoming IM Messages
• Display - 8 line X 22 character, 64 rows x 130 columns in pixels
• Feature Keys
• 8 dedicated keys: Message Button, Hold, Transfer, Conference, Speakerphone, Send, Mute/Del
• 5 display/menu navigation keys, dual color LEDS
• Telephony Features
• Intuitive graphic user interface, downloadable, phone book (XML, LDAP), multi-language support (MLS)
• Support customizable LCD screen via downloadable XML by HTTP/TFTP
• Dynamic negotiation of codec and voice payload length
• G.723, 1 (6.3K/5.4K), G.729A/B, G.711 u/A, G.726 ( 40K/32K/24K ), G.722 ( wide-band ), GSM and iLBC
• Call hold, call transfer (attended/blind), do-not-disturb, call forwarding, mute
• Redial, call log, and volume control
• Caller ID display or block
• Call waiting, call waiting caller ID
• 3-way conferencing
• Voice mail indicator
• Downloadable custom ring tones
• In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
• Silence suppression, VAD, CNG, side tone
• Full duplex hands-free speakerphone with Acoustic Echo Cancellation (AEC) and AGC
• Off-Hook Auto Dial, Auto Answer, Early Dial and Speed Dial
• Adaptive jitter buffer control with packet delay and loss concealment
• Network and Provisioning
• Via keypad/LCD, Web browser, or secure (AES encrypted) central configuration file
• Support NAT transversal using STUN and symmetric RTP
• Support static IP and DHCP
• Support Layer 2 (IEEE 802.1p/Q VLAN tagging) and Layer 3 QoS (ToS, DiffServ)
• Advanced Server Features - Support DNS SRV look-up and SIP server fail-over
• Security - DIGEST authentication using MD5/MD5-sess, SIP over TLS and SRTP (pending) secure configuration file (AES).

Hardware Specification

• Network Interfaces
• Two RJ45 10/100 Mbps auto -sensing
• Auto detect Ethernet polarity, allowing straight-through or twisted cable
• Power over Ethernet - Integrated (IEEE 802.3af)
• Headset Jack - 2.5mm Headset
• LED - 11 LEDs with different light patterns
• Universal Switching Power Supply
• Input: 100-240VAC 50-60 Hz
• Dimension (LxWxH) - 220 x 215 x 57mm
• Weight - 0.82kg
  
• Temperature - 0 - 40 degrees C
• Humidity - 10% - 90% (non-condensing)
• Compliance - FCC / CE / C - Tick

Grandstream GXP-2000 / HoSunn Tech

Lables: Grandstream VoIP Gateways,SIP VoIP Gateways,SIP Phone