Grandstream High Performance Enterprise IP Phone - GS-GXP2135

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