Grandstream GHP631, Compact Hotel IP Phone, 2 SIP accounts, 2 lines, 1x Ethernet 10/100 PoE, 480x320 (3.5") Color LCD, no PSU, Black

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 (480 x 320) high-resolution color LCD display

Network interfaces
One 10/100 Mbps Ethernet connector with auto-negotiation function and integrated
Class 2 PoE module

Wi-Fi
Built-in dual-band 802.11a/b/g/n/ac/ax Wi-Fi module (2.4 and 5 GHz) (GHP630W/
GHP631W models)

Main buttons
26 buttons, including:
6 context-sensitive programmable buttons;
12 standard numeric buttons (0-9: speed dial buttons with settings
in the web interface, *, #);
5 special buttons (Flash, Redial, Speakerphone, Answering machine, Hold);
3 volume control buttons: increase, decrease, off. Microphone (with red
LED indicator)

HD audio
One HD handset with broadband audio

Audio conference call
2 SIP accounts and 2 lines, conferences for up to 3 participants

Voice codecs and features
Supports G.729A/B, G.711m/a-law, G.726, G.722 (broadband), G.723, iLBC,
full-band Opus, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO),
VAD, AEC, CNG, PLC, AGC, AJB

Telephony functions
Dial, answer, redial, reset, speakerphone, voicemail (with server), translation,
conference, hold/de-hold, microphone mute and on, flexible
subscriber group configuration, switching to backup server in case of failure during
speed dial

Additional features
Support for multicast paging and E911 service
Door opening support via GDS
Support for advanced jitter resistance algorithm
USB Type-C connector for charging external devices (max. 500 mA)

Wall mounting
One wall mount

Quality of service
Layer 2 (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS)

Safety
Secure boot, random default password, unique security certificate
for each device, passwords for administrators, 256-bit configuration file
AES encryption, SRTP, TLS, access control to the transmission medium based on 802.1x

Languages
English, Spanish, French, Chinese (expected)

Update/Setup
Firmware update via FTP/TFTP/HTTP/HTTPS, quick setup in 15 seconds,
mass configuration using GDMS/TR-069 or an XML configuration file with AES encryption

Nutrition and energy efficiency
Universal Power Adapter (GHP630W/GHP631W)
Input: 100-240 VAC, 50/60 Hz
Output: 12V/0.5A (6W)

Temperature and humidity
Operation: from 0 to +40 °C
Storage: -10 to +60 °C
Humidity: 10-90% (non-condensing)

Package Contents
GHP phone, handset with cord, mount, Universal power adapter (GHP630W
and GHP631W), Front panel, quick installation guide

Colour
White (GHP630, GHP630W), Black (GHP631, GHP631W)

Physical characteristics
Device size: 210 mm (L) * 147 mm (W) * 89.8mm (H) (with tube and stand)
Device weight: 601g (GHP630/GHP631), 658g (GHP630W/GHP631W [USA]), 668g (GHP630W/
GHP631W [other countries])
Package weight: 824g (GHP630/GHP631), 881g (GHP630W/GHP631W [USA]), 891g (GHP630W/
GHP631W [other countries])