Grandstream GHP631 Hotel IP Phone – 3.5″ Color LCD, 2 SIP, PoE
The Grandstream GHP631 is a compact hotel IP phone featuring a 3.5″ high-resolution color LCD, support for 2 SIP accounts/2 lines, HD wideband voice with Opus codec, PoE support, USB Type-C charging port, 3-way conferencing, and GDMS cloud management — ideal for hotels, apartments, dormitories, hospitals, and hospitality deployments requiring a sleek, guest-friendly communication solution.
Description
The Grandstream GHP631 Hotel IP Phone is a modern, compact communication solution specifically designed for hospitality environments such as hotels, apartments, dormitories, and healthcare facilities. Combining sleek design with advanced VoIP functionality, the GHP631 delivers both ease of use for guests and powerful management tools for administrators.
Equipped with a 3.5″ high-resolution color LCD (480 × 320), the phone provides a clear and intuitive interface for guests to access services, view call information, and navigate menus effortlessly. The inclusion of 10 programmable speed dial keys allows hotels to customize quick access to services such as reception, housekeeping, room service, and emergency contacts.
The device supports 2 SIP accounts and 2 lines, offering flexible communication capabilities for both guests and staff. With HD audio and full-band Opus codec support, users benefit from crystal-clear voice quality, enhanced by advanced audio technologies such as echo cancellation, jitter buffer, and automatic gain control.
Installation is simplified with Power over Ethernet (PoE), allowing both power and data through a single cable. The integrated USB Type-C charging port adds convenience by enabling guests to charge mobile devices directly from the phone.
For IT administrators, the GHP631 supports GDMS (Grandstream Device Management System), enabling centralized cloud provisioning, monitoring, and firmware updates. Security is also a top priority, with features such as secure boot, TLS/SRTP encryption, and 802.1x authentication, ensuring safe and reliable communication.
With its compact form factor, flexible mounting options (desktop or wall), and enterprise-grade features, the Grandstream GHP631 Hotel IP Phone is an ideal choice for modern hospitality communication systems.
Telephony & SIP:
- 2 SIP accounts / 2 lines
- 3-way audio conferencing
- Call hold, transfer, voicemail
- Flexible dial plan
Display:
- 3.5″ color LCD
- 480 × 320 resolution
Audio:
- HD Voice support
- Full-band Opus codec
- G.711µ/a, G.722, G.726, G.729A/B
- Echo cancellation, VAD, CNG, AGC
Network & Power:
- 1 × 10/100 Mbps Ethernet port
- PoE Class 2 support
Keys & Interface:
- 26 total keys
- 10 programmable speed dial keys
- 6 soft keys + navigation keys
Connectivity:
- USB Type-C port (charging up to 500 mA)
Security:
- SRTP & TLS encryption
- Secure boot
- 802.1x authentication
- Unique device certificates
Management:
- GDMS cloud provisioning
- Remote monitoring & firmware updates
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet






