•2 SIP accounts, 2 lines
•GDMS online device management and provisioning
•3-way audio conferencing for easy conference calls
•Includes one 100Mbps network port with PoE
•USB Type-C charging port for modern smart phone charging
•Hearing Aid Compatibility (HAC)
•Enterprise-level protection including secure boot
•Thanks to a sleek and compact design, the GHP631 is the ideal fit for hotels, apartments, dormitories, hospitals, retail stores, and much more.
•Standard 1-Year Manufacturer’s Warranty (extended warranty up to total 3-year is available)

•Protocols/Standards: SIP - SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, TLS, SRTP; Network - IPv4, IPv6, HTTP/HTTPS, ARP, ICMP, DNS(A record, SRV, NAPTR), DHCP, SSH, TFTP, NTP, STUN, LLDP, TR-069, 802.1x
•Graphic Display: 3.5” High-Resolution (480x320) colour LCD
•Network Interfaces: 1 x Auto-negotiation 10/100 Mbps ethernet port integrated PoE Class 2
•Keys: 26 keys, including 6 Context-Sensitive Soft keys; 12 Standard Phone Digits keys (0-9: speed dial keys configuration on web page, * , #); 5 Function keys (Flash, Redial, Hands-free, Voice Mail, Hold); 3 Volume Control keys, Up/Down/Mute (with red colour LED)
•HD Audio: One HD handset support for wide band audio
•Voice Conferencing: 2 SIP accounts and lines, up to 3-way conference
•Voice Codecs and Capabilities: Support for G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723, iLBC, and full band OPUS. In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB
•Telephony Features: Dial, Answer, Redial, Flash ,Hands-free, Voice Mail(with the server), Transfer, Conference, Hold/Unhold, Mute /Unmute, flexible dial plan, Speed dial server redundancy & fail-over Call out
•Advanced Features: Support for multicast paging and E911 service, Support for advanced jitter-resilience algorithm, Supports GDS Door Opening
•USB: USB Type-C port for charging external devices (500mA MAX)
•Upgrade/Provisioning: Firmware upgrade via FTP/TFTP / HTTP / HTTPS, fast boot in 15 seconds, mass provisioning using GDMS/TR-069 or AES encrypted XML configuration file
•Operating Environment: Temperature 0°C to 40°C (32°F to 104°F); Humidity 10% to 90% non-condensing

•1 x GHP631 phone
•1 x Handset with cord
•1 x Base stand
•1 x Faceplate
•Quick Installation Guide