•2 lines, 2 SIP accounts, up to 2 call appearances
•TLS and SRTP security encryption technology to protect calls and accounts
•3-way audio conferencing for easy conference calls
•Electronic Hook Switch (EHS) support for Plantronics headsets
•Automated provisioning options include TR-069 and XML config files
•Full-duplex speakerphone with HD audio to maximize audio quality and clarity
•Use with Grandstream’s UCM series of IP PBXs for Zero Config provisioning
•Built-in PoE to power the device and give it a network connection
•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/RARP, ICMP, DNS (A re- cord, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP, CDP/SNMP/RTCP-XR
•Network Interfaces: Dual switched auto-sensing 10/100 Mbps Ethernet ports, integrated PoE
•Graphic Display: 132 x 48 (2.95") LCD display
•Feature Keys: 2 line keys with dual-color LED and 2 SIP accounts, 3 XML programmable context sensitive soft keys, 5 (navigation, menu) keys. 13 dedicated function keys for MUTE, HEADSET, TRANSFER, CONFERENCE, SEND and REDIAL, SPEAKERPHONE, VOLUME, PHONEBOOK, MESSAGE, HOLD, PAGE/INTERCOM, RECORD, HOME
•Voice Codecs: Support for G.711µ/a, G.722 (wide-band), G.723, G.726-32, G.729 A/B, iLBC, in_x0002_band and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC
•Telephony Features: Hold, transfer, forward (unconditional/no-answer/busy), 3-way conferencing, call park/pickup, shared-call appearance (SCA) / bridged-line-appearance (BLA), Down- loadable phone book (XML, LDAP, up to 1000 items), call waiting, call history (up
to 200 records), off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot desking, personalized music ringtones, server redundancy & fail-over
•Headset Jack: RJ9 headset jack (allowing EHS with Plantronics headsets)
•QoS: Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
•Security: User and administrator level access control, MD5 and MD5-sess based authenti- cation, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control
•Upgrade/Provisioning: Firmware upgrade via TFTP / HTTP / HTTPS, mass provisioning using TR-069 or AES encrypted XML configuration file, FTP/FTPS
•Power: Input 100-240VAC 50-60Hz; Output +5VDC, 600mA; PoE - IEEE802.3af Class 2, 3.84W-6.49W; IEEE802.3az (EEE)
•Operating Environment: Temperature 0°C to 40°C (32°F to 104°F); Humidity 10% to 90% Non-condensing

•1 x GXP1625 phone
•1 x Handset with cord
•1 x Base stand
•1 x Universal power supply
•1 x Network cable
•Quick Installation Guide
•Brochure
•GPL