The compact and easy-to-use GRANDSTREAM GHP621 hotel VoIP phone delivers reliable communications with support for 2 SIP lines, HD voice, and programmable keys. It offers three-way conferencing, speed dial, the premium OPUS codec, and resilience to packet loss up to 30%. With PoE support and centralized management via Grandstream GDMS, it is ideal for hotels, hostels, hospitals, and residential buildings.
Two SIP lines and speed dial for instant connections
The GHP621 supports 2 SIP accounts/lines, 6 programmable keys, and 10 speed-dial keys. Connect to reception, maintenance, or guest services with a single press.
HD voice and OPUS codec for crystal-clear calls
The built-in HD speaker and fullband OPUS codec deliver call clarity and intelligibility. Advanced resiliency handles up to 30% packet loss without a significant drop in quality.
Easy installation, PoE, and desk or wall mounting
Flexible deployment in any environment: power via PoE, or optionally via adapter/USB‑C on W versions, with placement on a desk or wall mounting. Device management via Grandstream GDMS.
The GHP series (GHP620/GHP620W and GHP621/GHP621W) is designed for rooms and shared areas where simplicity, reliability, and easy management are essential. The GHP621 supports two SIP accounts/lines, offering 6 programmable keys and 10 speed-dial keys for maximum efficiency for staff and guests.
Thanks to the HD speaker, support for the OPUS codec, and an advanced interference-resilience algorithm, it ensures clear and intelligible calls even with up to 30% packet loss. Place the phone on a desk or mount it on a wall, and power it via PoE (GHP620/GHP621) or using an adapter/USB‑C (on W versions). Centralized deployment and monitoring are provided by the Grandstream Device Management System (GDMS).
- Easy installation and management: Central configuration, deployment, and monitoring via GDMS.
- Flexible use: Hotels, residences, dorms, hospitals, retail, and more.
- Fast operation: Up to 10 speed-dial keys and 6 programmable keys for the most common functions.
- Professional call quality: HD voice, OPUS, 3-way conferencing, and reliability even on challenging networks.
Specifications
- Model series
- GRANDSTREAM GHP (GHP620/GHP620W, GHP621/GHP621W)
- Device type
- Hotel IP phone (VoIP)
- SIP accounts/lines
- 2
- Programmable keys
- 6
- Speed-dial keys
- 10
- Conferencing
- 3-way
- Audio
- HD voice, fullband OPUS codec
- Packet loss resilience
- Up to 30% without a significant drop in call quality
- Management
- Grandstream Device Management System (GDMS)
- Power options
- PoE (GHP620/GHP621); adapter or USB Type‑C on W versions (GHP620W/GHP621W)
- Connectivity
- IP (Ethernet), select models with dual-band Wi‑Fi (GHP620W/GHP621W)
- Installation
- Desktop or wall mounting
- Use cases
- Hotels, residential properties, dormitories, hospitals, retail, and more
