Grandstream GXP2135 8-Line Enterprise IP Phone

The GXP2135 is the ideal selection for busy users who value call control, productivity and usability, and manage medium to heavy call volumes. Equipped with 8 lines and 4 SIP accounts, a 2.8 inch color LCD display, and 32 digital speed dial/BLF keys, the GXP2135 enables quick and powerful usability.

• 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

• 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 (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),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-call appearance (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 (Wall Mount sold separately)
• 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)
• Operation Temperature: 0°C to 40°C
• Storage Temperature: -10°C to 60°C
• Humidity: 10% to 90% Non-condensing
• Dimension (W x L x H): 201 x 193 x 85mm
• Unit weight: 0.85kg
• Package weight: 1.12kg

• GXP2135 phone
• Handset with cord
• Base stand
• Universal power supply
• Network cable
• Quick Installation Guide