•Supports 4 SIP accounts and 4 multi-purpose line keys
•Dual switched auto-sensing 10/100 Mbps Ethernet ports
•Swappable faceplate to allow for easy logo customization
•Equipped with noise shield technology to minimize background noise
•HD audio supporting all major codecs, including wideband codecs G.722 and Opus
•Up to 16 digital BLF Keys
•Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
•Standard 1-Year Manufacturer’s Warranty (extended warranty up to total 3-year is available)

•Protocols/Standards: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS(A record, SRV, NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPV6
•Network Interfaces: Dual switched auto-sensing 10/100 Mbps Ethernet ports
•Graphic Display: 2.4" (320x240) TFT colour LCD
•Feature Keys: 4 line keys with up to 4 SIP accounts, 4 XML programmable context sensitive softkeys, 5 navigation/menu keys, 9 dedicated function keys for: MESSAGE(with LED indicator), TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL_x0002_
•Auxiliary Port: RJ9 headset jack (allowing EHS with Plantronics headsets)
•Voice Codecs and Capabilities: Support for G7.29A/B, G.711µ/a-law, G.726, G.722(wide-band), G723, iLBC, OPUS, in-band and out-of-band DTMF(in audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC
•Telephony Features: Hold, transfer, forward, 5-way conference, call park, call pickup, shared-call-appearance(SCA)/bridged-line-appearance(BLA), downloadable phonebook(XML, LDAP, up to 1000 items), call waiting, call log(up to 1000 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
•QoS: Layer 2 QoS (802.1Q, 802.1P), 802.11e (WMM) on GRP1612W 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, secure boot
•Multi-Language: English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, Chinese, Korean, Japanese, and more
•Upgrade/Provisioning: Firmware upgrade via FTP/TFTP/TFTPS/HTTP/HTTPS, mass provisioning using GDMS/ TR-069 or AES encrypted XML configuration file
•Power: Input 100-240VAC 50-60Hz; Output +5VDC, 0.6A

•1 x GRP2612 phone
•1 x Handset with cord
•1 x Base stand
•1 x Universal power supply
•1 x Network Cable
•Quick Installation Guide
•GPL