Grandstream GHP611 Hotel IP Phone

Key Features:

• 2 SIP Accounts / 2 Lines: Support dual SIP registrations and simultaneous calls.

• No LCD Display: Simplified interface reduces cost and complexity.

• PoE-Powered Ethernet: One 10/100 Mbps Ethernet port with PoE Class 2 support for single-cable data + power.

• 3-Way Audio Conferencing: Built-in support for three-party calls.

• HD Voice: Wideband audio with Opus and other VoIP codecs for clear conversations.

• Programmable & Speed Dial Keys: Includes 3 programmable keys and 10 speed dials for quick access.

• GDMS Cloud Management: Central provisioning and remote monitoring via Grandstream Device Management System.

• Swappable Faceplate & Speed Dial Labels: Easy aesthetic customization for hospitality brands.

• Enterprise-Grade Security: Secure boot, TLS/SRTP encryption, and robust firmware protection.

• Hearing Aid Compatibility (HAC): Designed to support accessibility needs.

Technical Specifications :

• SIP Protocols: SIP RFC3261, TCP/IP, UDP, RTP/RTCP, RTCP-XR, TLS, SRTP, IPv4/IPv6.

• Network: One 10/100 Mbps Ethernet port with PoE Class 2.

• SIP Accounts: 2 SIP accounts with 2 lines.

• Voice Codecs: G.711µ/a, G.722 (wideband), G.726, G.723, iLBC, Opus with jitter resilience.

• Audio: HD audio via handset; echo cancellation, VAD, PLC, AGC.

• Telephony Functions: Hold, transfer, forward, call waiting, auto dial/answer, flexible dial plan.

• Keys: ~23 total: 3 programmable keys, 10 speed dial keys, function keys, volume.

• Mounting: Desktop or wall mountable.

• Power: Via PoE (no PSU included).

• Management: GDMS cloud provisioning, TR-069, FTP/TFTP support.