The GHP611 are compact IP phones that provide an HD speaker on the handset, 2 SIP accounts/lines, 10 speed dial keys and 3 programmable keys. Part of the GHP Series of Hotel Phones, these simple IP phones are also ideal for hospitals, apartments, dormitories, retail and more. The GHP Series is supported by Grandstream’s Device Management System (GDMS), which provides a centralized interface to configure, provision, manage and monitor deployments of Grandstream endpoints. Thanks to a compact design that can be easily used on a desktop or wall-mounted, the GHP611 are ideal for hotel deployments as well as many other similar environments.

Features:
• 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
• Speed dial label and swappable faceplate to allow for easy customization
• Hearing Aid Compatibility (HAC)
• Enterprise-level protection including secure boot

Warranties - Returns:
Money Return:	Repair - Replacement:
20 days	24 months

Specifications
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 auto-negotiation 10/100 Mbps ethernet port integrated PoE Class 2
Feature Keys	23 keys, including 3 programmable 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 color 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, Transfer, Conference, Redial, Flash ,Hands-free, Voice Mail (with the server) 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
Wall Installation	1 Wall Mountable Base
QoS	Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security	Secure boot, random default password, unique security certificate per device, administrator level passwords, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control
Multi-language	English and Chinese
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
Temperature and Humidity	Operation: 0°C to 40°C Storage: -10°C to 60°C Humidity: 10% to 90% (Non-condensing)
Package Content	GHP611 phone, handset with cord, base, Quick Installation Guide
Physical	211mm(L)53mm(W)44mm(H) (with handset) Unit weight: 300g Package weight: 445g
GHP611 Compliance	FCC: Part 15 Subpart B, Class B; Part 68. 316/317. CE: EN 55032; EN 55035; EN IEC 61000-3-2; EN 61000-3-3; EN IEC 62368-1. UKCA: BS EN 55032; BS EN 55035; BS EN IEC 61000-3-2; BS EN 61000-3-3; BS EN 62368-1. RCM: AS/NZS CISPR32; AS/NZS 62368.1; AS/CA S004, AS/CA S040. IC: ICES-003; CS-03 Part V.