Grand Stream GS-GXP2170 Advanced SIP IP Phone with 12-Line Support

- Enterprise-grade IP phone that features up to 12 line keys/line appearances and 6 SIP accounts using 4.3 inch color display LCD and full HD audio- Dual Gigabit Ethernet network ports allow for integrated PoE- Bluetooth allows you to sync with mobile devices, use Bluetooth headsets, and connect to up to 4 extension modules (increasing your button access to 160 speed dial/BLF contact)- 5 XML programmable context-sensitive soft keys- Supports EHS-compatible Plantronics headsets with RJ9 headset jack- USB port- TLS and SRTP security encryption- 5-way audio conferencing- Voice Codecs: G7.29A/B, G.711�/a-law, G.726, G.722(wide-band), in-band and out-of-band DTMF(in audio, RFC2833, SIP INFO)- Call hold, transfer, foward- Call park, pickup, waiting- Music on hold- Qos: 802.1Q, 802.1P, ToS, DiffServ, MPLS- Multi-Language- Power Requirements: 12V/1.0A adapter, 802.3af PoE- Power Consumption: 5.4W and 9.2W with cascaded expansion modules- Package Contents: Phone, handset with cord, base stand, universal power supply, network cable, quick installation guide, GPL license