– Enterprise-Grade High-Performance IP Phone
– Supports Gigabit speeds and up to 32 virtual BLF/speed-dial keys
– 2.8″ TFT color LCD display
– Full HD audio with full duplex speakerphone
– Up to 8 lines and 4 SIP accounts
– Built-in Bluetooth for syncing with mobile devices and Bluetooth headsets
– Supports EHS-compatible Plantronics headsets
– RJ9 Headset port for wired headsets
– Conference calling up to 4 ways
– Ethernet Ports: 2 auto-sensing Gigabit with integrated PoE
– 4 Programmable soft keys
– Voice Codecs: 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)
– Wall-mountable
– QoS: 802.1Q, 802.1P, ToS, DiffServ, MPLS
– Security: user and admin passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control
– Multi-language
– Power Source: 100-240V 12V, 0.5A adapter (included) or 802.3af PoE
– Max PoE Power Consumption: 6.49W
– Hold
– Transfer
– Call forward
– Call park
– Call pickup
– Call waiting
– Call log with up to 500 records
– Music on hold
– Package Includes: GXP2135 phone, handset with cord, base stand, universal power supply, network cable, quick installation guide, GPL license