• 8 lines, 4 SIP ccounts, 4 XML programmable context-sensitive soft keys
• Dual switched, auto-sensing Gigabit ports, built-in PoE, USB port
• 32 digitally programmable and custommizable BLF/speed-dial keys
• Built-in Bluetooth for syncing headsets and mobile devices for contact books, calendars & call transferring
• HD audio on the handset and speakerphone; full duplex speakerphone
• RJ9 headset jack, supports EHS compatible Plantronics headsets
• Automated provisioning options include TR-069, XML config files and Zero Config with Grandstream's UCM series IP PBXs
• 4-way audio conferencing for easy conference calls

Protocols/Standards

SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record,

SRV, NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP,

TR-069, 802.1x, TLS, SRTP, IPV6

Network Interfaces

Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with

integrated PoE

Graphic Display 2.8 inch (320x240) TFT color LCD

Bluetooth Yes, integrated

Feature Keys

8 line keys with up to 4 SIP accounts, 4 XML programmable context sensitive

softkeys, 5 navigation/menu keys, 11 dedicated function keys for :

MESSAGE (with LED indicator), PHONEBOOK, TRANSFER, CONFERENCE,

HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL-

Voice Codec

Support for G.729A/B, G.711µ/a-law, G.726, G.722(wide-band), in-band and

out-of-band DTMF (in audio, RFC2833, SIP INFO)

Auxiliary Ports RJ9 headset jack (allowing EHS with Plantronics headsets), USB

Telephony Features

Hold, transfer, forward, 4-way conference, call park, call pickup, shared-callappearance

(SCA)/bridged-line-appearance(BLA), downloadable phonebook

(XML,

LDAP, up to 2000 items), call waiting, call log (up to 500 records), XML

customization

of screen, off-hook auto dial, auto answer, click-to-dial, flexible

dial

plan, hot desking, personalized music ringtones and music on hold,

server

redundancy and fail-over

HD audio Yes, HD handset and speakerphone with support for wideband audio

Base Stand Yes, 2 angle positions available, Wall Mountable

QoS Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS

Security

User and administrator level passwords, MD5 and MD5-sess based

authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x

media access control

Multi-language

English, German, Italian, French, Spanish, Portuguese, Russian, Croatian,

Chinese, Korean, Japanese

Upgrade/Provisioning

Firmware upgrade via TFTP / HTTP / HTTPS, mass provisioning using TR-069

or AES encrypted XML configuration file

Power & Green Energy Efficiency

Universal power adapter included:Input:100-240V ; Output: +12V, 0.5A ;

Integrated Power-over-Ethernet (802.3af)

Max power consumption : 6.4W (power adapter) or 6.49W (PoE)

Physical

Dimension: 201mm(W) x 193mm(L) x 85mm(H); Unit weight:0.85kg ; Package

weight:1.12kg

Temperature and Humidity

Operation: 0°C to 40°C

Storage: -10°C to 60°C

Humidity: 10% to 90% Non-condensing

Package Content

GXP2135 phone, handset with cord, base stand, universal power supply,

Compliance

network cable, Quick Installation Guide, GPL license

FCC: Part 15 (CFR 47) Class B

CE: EN55022 Class B; EN55024 Class B;EN61000-3-2; EN61000-3-3;EN60950-1

RCM: AS/ACIF S004; AS/NZS CISPR22/24; AS/NZS 60950.1