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Table 4: GXP-2000 Techni
Lines
4 direct lines
cal Specifications
with 7 speed dial keys; up to 11 line calls (with an additional 112 lines
daisy-chained GXP
Protocol
Support
Support SIP 2.0, TCP/UDP/IP, PPPoE, RTP/RTCP, SRTP by SDES, HTTP,
ARP/RARP, ICMP, DNS, DHCP, NTP/SNTP, TFTP, SIMPLE/PRESENCE protocols
Support multiple SIP accounts and up to 11 media channels concurrently
with 2 -2000 Ext)
Support 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 for SIP MESSAGE method (RFC 3428)S
Stores up to 100 incoming IM messages (drops IM message 101 plus)
Display
8 line x 22c rows x 130 column in pixels
haracter, 64
Feature Keys
8 dedicated keys: Me
Send, Mute/Del, 5 disp
ssage Button, Hold, Transfer, Conference, Speakerphone,
lay/menu navigation keys, dual color LEDs
ly r
ehin
Address Book
Device
Management
NAT-friend
including b
emote software upgrade (via TFTP/HTTP) for deployed devices
d firewall/NAT, Auto/manual provisioning system, GUI Interface,
Suppo
Suppo
rt Layer
rt for GXP-2000 Extension console and diagnostic mode for keys on GXP-
0 Extensio
Audio Features
Full-duplex ha one, headset enabled
2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
200 n console
nds-free speakerph
Advanced Dig
Dynamic nego
rt for G.
-band and o
Silence Suppr NG (comfort noise
generation), ANG (automatic gain control)
ancellation (AEC) with Acoustic Gain Control (AGC) for
o
tone
men
Te
Fe
itive graphic u ML, LDAP), MLS
guage s
il indica loadable custom ring-tones
Call hold, call tra
ot-Disturb (D
l, call log, an
Transfer, hold, fo to
er, early dia onymous call using privacy header
ital Signal Processing (DSP)
tiation of codec and voice payload length
Suppo
723,1 (6.3K), G.729A/B, G.711 µ/A, G.726 (40K/32K/24K/16K),
(wide-band), GSM and iLBC codecs
G.728, G.722
In
ut-of-band DTMF (in audio, RFC2833, SIP INFO)
ession, VAD (voice activity detection), C
Acoustic Echo C
speakerphone m
de
Support side
loss conceal
, Adaptive jitter buffer control (patent-pending) and packet delay &
t
lephony
Intu
(mu
atures
lti lan
Voice ma
ser interface (GUI), downloadable phone book (X
upport)
tor with indicator, down
nsfer (attended/blind)
Do-N
redia
ND), call forwarding, call waiting, call waiting caller ID, mute,
d volume control, caller ID display or block
rward, multi-party conferencing, dial plans, off-hook auto dial, au
answ l and speed dial. Support for an
Ne
Pr
Via kepad/LCD, W ) central configuration file,
manual or dynam ) network setup
twork and
ovisioning
eb browser, or secure (AES encrypted
ic host configuration protocol (DHCP
Support NAT trav STUN and Symmetric RTP
Support for IEEE LAN), Layer 3 TOS
Fi
Up
Support firmware upport for Authenticating
configuration file ges
ersal using IETF
802.1p/Q tagging (V
rmware
grades
upgrade via TFTP or HTTP, S
before accepting chan
User specific URL for configuration file and firmware files
anced
er Features
Message waiting indication, support DNS SRV Look up and SIP Server Fail Over,
Support customizable idle screen via downloading XML by HTTP/TFTP
Adv
Serv
Security
DIGEST authentication and encryption using MD5 and MD5-sess, SRTP over TLS
Grandstream Networks, Inc. GXP-2000 Users Manual Page 9 of 33
Firmware 1.1.1.14 Last Updated: 12/2006