IP Phone Grandstream Networks GHP631 Black

The Grandstream Networks GHP631 Black is a compact IP phone designed for clear voice communication in both home and office environments. It features a 3.5" LCD display with 480 x 320 pixel resolution, two programmable lines, an integrated speakerphone and support for Power over Ethernet (PoE). The device provides wired handset connectivity and Gigabit Ethernet with optional Wi‑Fi up to 802.11ac, enabling reliable network performance and flexible deployment options.

Advantages

The GHP631 combines a slim black design with dual-line capability and a responsive 3.5" display to deliver straightforward call handling. Its integrated speakerphone and support for common voice codecs ensure intelligible hands-free conversations, while PoE simplifies installation by providing power and network connectivity over a single cable. Gigabit Ethernet and Wi‑Fi compatibility help maintain call quality across different network setups.

Suitable for

• Small office desktops and reception desks
• Home offices requiring reliable VoIP calling
• Shared workspaces and meeting rooms for hands-free calls
• Environments where PoE simplifies cabling and power management

Key specifications

• Display: 3.5" LCD, 480 x 320 pixels
• Lines: 2 programmable lines
• Connectivity: Gigabit Ethernet, optional Wi‑Fi 802.11a/b/g/n/ac
• Audio: Integrated speakerphone; supports standard voice codecs
• Power: Power over Ethernet (PoE) support
• Handset: Wired handset included
• Weight: 0.658 kg
• Color: Black

How to use

Connect the GHP631 to your network using the Ethernet port; if PoE is available, the phone will receive power and data via the same cable. Configure SIP account settings through the web-based management interface or by using provisioning from your VoIP provider. Adjust volume and display settings on the device to suit your environment. Place the wired handset on the cradle to make or answer calls, or use the speakerphone for hands-free conversations.

Recommendations

For optimal call quality, connect the phone to a Gigabit Ethernet switch and enable QoS settings on your network. Use PoE where possible to reduce cable clutter. Position the device on a stable surface away from strong sources of electromagnetic interference and keep firmware up to date for security and interoperability improvements.