Grandstream GHP610, White Compact Hotel IP Phones, 2 lines, 2 SIP accounts, One 10/100 Mbsps Ethernet ports, PoE, No PSU included

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

Network interfaces
One 10/100 Mbps Ethernet connector with auto-negotiation function and built-in module
PoE Class 2 (GHP610/GHP611)

Wi-Fi
Built-in dual-band Wi-Fi module 802.11 a/b/g/n/ac (2.4 and 5 GHz) (models
GHP610W/GHP611W)

Main buttons
23 buttons, including 3 programmable keys, 12 standard buttons with numbers (0-9:
web-based speed dial keys, *, #), 5 special keys
(Flash, Redial, Speakerphone, Answering machine, Hold), 3
volume control keys: increase, decrease, mute (with red LED indicator)

HD audio
One HD handset with broadband audio
Audio conferencing 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 and
full-band OPUS. In-band and out-of-band DTMF (in RFC2833 audio signal,
SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB

Telephony functions
Dial, reply, translate, conference, redial, reset, speakerphone,
voicemail (with server), hold/de-hold, mute and turn on the microphone,
flexible configuration of subscriber groups, switching to a backup server in
case of failure during speed dial

Additional features
Support for multicast paging and E911 service
Support for advanced jitter resistance algorithm
Door opening support via GDS

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, configuration file
with 256-bit AES encryption, SRTP, TLS, access control to the transmission medium
based on 802.1x

Multiple languages
English and Chinese

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 (GHP610W/GHP611W)
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 to 90% (non-condensing)

Package Contents
GHP61X phone, Handset with cord, Mount, Universal power adapter
(GHP610W and GHP611W), quick installation guide

Colour
White (GHP610 and GHP610W), Black (GHP611 and GHP611W)