• 8 lines, 4 SIP accounts, 4 XML programmable context-sensitive soft keys
• Dual switched, auto-sensing Gigabit ports, built-in PoE
• 32 digitally programmable and customizable 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
• Supports EHS compatible Plantronics headsets
• 4-way audio conferencing for easy conference calls

The GXP2135 is an enterprise-grade IP phone that supports Gigabit speeds and up to 32 virtual BLF/speed-dial keys, making it ideal for busy workers. This Enterprise IP Phone features up to 8 lines/line keys and 4 SIP accounts using a 2.8 inch (320 x 240) color display LCD and full HD audio. The GXP2135 includes up to 32 digital, on-screen speed dial/BLF keys to help users be more productive and efficient. This Enterprise IP Phone supports the fastest possible connection speeds with dual Gigabit network ports, features integrated PoE and includes built-in Bluetooth for syncing with mobile devices and Bluetooth headsets. The GXP2135 is the perfect choice for business users looking for a powerful and reliable IP phone with advanced functionality.

• 8 lines, 8 dual-color line keys (with 4 SIP accounts), 4 XML programmable context-sensitive soft keys
• Dual switched auto-sensing 10/100/1000Mbps Gigabit network ports
• 32 digitally programmable & customizable BLF/fast dial keys
• Built-in Bluetooth for syncing headsets and mobile devices for contact books, calendars & call transferring
• HD audio to maximize audio quality and clarity; full duplexspeakerphone
• Built-in PoE to power the devices and give it a network connection
• Supports EHS-compatible Plantronics’s headsets
• Automated provisioning using TR069 or AES encrypted XML configuration file
• TLS and SRTP security encryption technology to protect calls and accounts
• Use with Grandstream’s UCM series IP PBX appliance for ZeroConfig provisioning, 1-touch call recording & more
• 4-way audio conferencing for easy conference calls

Specs:

Protocols/Standards: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPV6, CDP/SNMP/RTCP-XR

Network Interfaces: Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE

Graphic Display: 2.8 inch (320×240) 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 Codecs: Support for G.729A/B, G.711µ/a-law, G.726, G.722(wide-band),G723.1, iLBC, Opus, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC

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

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

Extension Module: Yes, can power up to 4 GXP2200EXT modules which features a 128×384 graphic LCD, 20 quick-dial/BLF keys which dual-color LED, 2 navigation keys, and less than 1.2W power consumption per unit.

Base Stand/Wall Mountable: 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, simplified and traditional Chinese, Korean, Japanese and more

Upgrade/Provisioning: Firmware upgrade via TFTP / HTTP / HTTPS, mass provisioning using TR-069 or AES encrypted XML configuration file, FTP/FTPS

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, network cable, Quick Installation Guide, GPL license

Compliance: 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