Grandstream GHP611 Hotel IP Phone

The Grandstream GHP611 is a compact, hotel‑grade SIP phone tailored for hospitality environments like hotel rooms, dormitories, assisted‑living facilities, and more. It features dual SIP lines, optional Wi-Fi support (W model), customizable keys, and centralized provisioning via Grandstream’s GDMS platform.

Grandstream GHP611 Hotel IP Phone Specifications

• SIP Support: 2 SIP accounts, 2 concurrent lines

• Network Interface: 10/100 Mbps Ethernet port with integrated PoEhttps://www.city.co.ke

• Wi-Fi (GHP611W only): Dual-band 2.4GHz & 5GHz Wi-Fi (802.11 a/b/g/n/ac/ax)

• Keypad: 23 total keys, including:

  • 12 numeric (0–9, *, #) speed-dial keys

  • 3 programmable keys

  • 5 functional keys (Flash, Redial, Hands-free, Voicemail, Hold)

  • 3 volume control keys, plus Mute with LED indicator

• Audio Quality: HD handset audio with support for G.722 and full-band Opus codecs

• Conferencing: 3-way local audio conferencinghttps://www.city.co.ke

• Supported Codecs: G.711 µ/a, G.722, G.726, G.723, G.729 A/B, iLBC, full-band Opus

• Voice Enhancements: Includes VAD, AEC, CNG, PLC, AGC, AJB, and DTMF (in-band/out-of-band)

• Telephony Features: Speed dial, call transfer, call hold, mute, voicemail, call conference, multicast paging, door-opening integration, E911

• Security: Secure boot, unique device certificate, SRTP, TLS, AES-256 encrypted configuration, 802.1x

• Provisioning & Management: GDMS, TR-069, HTTP/HTTPS/TFTP provisioning, encrypted XML config, dual firmware images, fast boot (<15s)

• Multilingual Support: English and Chinese user interface

• Power Supply: PoE (Class 2) or 12V DC/0.5A power adapter (~6W max)

• Operating Conditions: 0°C to 40°C; storage –10°C to 60°C; 10–90% RH non-condensing

• Mounting Options: Wall- or desk-mountable with included stand

• Physical Dimensions: 211 × 53 × 44 mm

• Weight: Approx. 300 g

• Compliance: FCC Class B, CE, UKCA, IC, and RCM certified