The Grandstream GHP621W wired IP phone is designed for hotels and supports two SIP accounts and two phone lines. It features built-in dual-band Wi-Fi at 2.4 GHz and 5 GHz, as well as a 10/100 Mbps Ethernet port. It supports HD and wideband audio through the handset, and also allows hands-free calls.

It can be managed and configured through the GDMS platform. It supports three-way conferencing, speed dial, programmable keys, and hold, mute, and call transfer functions. The package includes a handset and cord, phone base, power adapter, and quick installation guide.

• Type: Wired IP phone
• Color: Black
• Display: None
• SIP accounts: 2
• Lines: 2
• Connectivity: Ethernet, dual-band Wi-Fi at 2.4 GHz and 5 GHz (802.11a/b/g/n/ac)
• Network port: 10/100 Mbps
• Power supply: PoE or USB Type-C power adapter
• Audio: HD, wideband audio
• Conferencing: 3 participants
• Programmable keys: 6
• Speed-dial keys: 10
• Jitter resilience: Algorithm that tolerates packet loss of up to 30% without affecting voice quality
• Additional features: Multicast paging, emergency call, door release via GDS, hearing aid compatibility (HAC)
• Security: Secure boot, dual firmware images, encrypted data storage
• Mounting: Desktop or wall-mounted
• Operating temperature: 0 °C to 40 °C
• Storage temperature: -10 °C to 60 °C
• Operating humidity: 10% to 90% non-condensing
• Package contents: Handset and cord, phone base, EU PSU power adapter 100~240VAC 50~60Hz, 12V - 0.5A (6W), quick installation guide