Grandstream GHP621W Hotel IP Phone – Wi-Fi, 2 SIP, HD Audio
The Grandstream GHP621W Hotel IP Phone is a compact hospitality phone with built-in dual-band Wi-Fi, 2 SIP accounts, HD voice, programmable keys, and GDMS cloud management—perfect for hotels and wireless VoIP deployments.
Description
The Grandstream GHP621W Hotel IP Phone is a compact and flexible VoIP solution designed specifically for hospitality environments such as hotels, serviced apartments, hospitals, and dormitories. With built-in dual-band Wi-Fi connectivity (2.4 GHz & 5 GHz), this model eliminates the need for Ethernet cabling, making it ideal for modern wireless deployments and retrofit installations.
Supporting 2 SIP accounts and 2 lines, the GHP621W provides efficient communication for both guests and staff. It allows seamless call handling, internal communication, and quick access to hotel services through its 10 dedicated speed dial keys and 6 programmable keys, which can be customized for functions like reception, housekeeping, or emergency contacts.
The device delivers excellent audio performance with HD voice quality and support for advanced codecs including full-band Opus, ensuring clear and natural conversations. Built-in 3-way conferencing allows users to easily connect multiple parties without additional equipment.
Designed with user experience in mind, the GHP621W includes features such as hearing aid compatibility (HAC), ensuring accessibility for all users. The swappable faceplate enables hotels to customize branding, providing a personalized guest experience.
From an IT perspective, the phone supports GDMS (Grandstream Device Management System), offering centralized cloud provisioning, monitoring, and firmware management. Security is enterprise-grade, including secure boot, dual firmware images, encrypted storage, and 802.1x authentication, ensuring safe and reliable communication.
The GHP621W supports both desktop placement and wall mounting, making it adaptable to various room layouts. With its wireless capability, strong security, and hospitality-focused design, the Grandstream GHP621W Hotel IP Phone is a powerful and flexible choice for modern VoIP deployments.
Telephony & SIP:
- 2 SIP accounts / 2 lines
- 3-way audio conferencing
- Call hold, transfer, voicemail, redial
- Flexible dial plan
Wireless & Network:
- Built-in dual-band Wi-Fi (2.4 GHz & 5 GHz)
- 802.11 a/b/g/n/ac support
- 1 × 10/100 Mbps Ethernet port
Audio:
- HD Voice support
- Full-band Opus codec
- G.711µ/a, G.722, G.726, G.729A/B, G.723, iLBC
- Advanced audio processing (DTMF, jitter handling)
Keys & Interface:
- 26 total keys
- 10 speed dial keys
- 6 programmable keys
- Standard dial pad and function keys
Display & Design:
- Compact hospitality design
- Swappable faceplate for branding
- Desktop or wall-mountable
Power:
- External power adapter
- USB Type-C charging support
Security & Management:
- Secure boot & encrypted storage
- TLS/SRTP encryption
- 802.1x authentication
- GDMS cloud provisioning & management
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet







