The phone includes 20 programmable line keys with multi-color LEDs, allowing for efficient line management and quick identification of call statuses. It also features 6 soft keys, 4 navigation keys, and 8 dedicated function keys (such as call, end, menu, and voicemail), ensuring seamless operation and customization.

For superior audio quality, the X7 supports HD audio and a range of advanced codecs, including G.711a/μ, G.729, G.722, G.723, and G.726. It incorporates echo cancellation and noise reduction technologies, providing clear and reliable communication. The full-duplex speakerphone supports hands-free conversations, and the device accommodates both RJ-9 and optional 3.5mm headset connections.

The Fanvil X7 offers robust network connectivity with dual 10/100/1000 Mbps Ethernet ports and supports Power over Ethernet (PoE) for easy installation and reduced cable clutter. An optional external power adapter (5V DC, 2A) is available for additional flexibility. The phone supports SIP v2 (RFC 3261) and allows for up to 20 SIP accounts, catering to various business communication requirements.

Call handling features include call transfer, call forwarding, call hold, 3-way conference calling, call waiting, and caller ID. Security is enhanced with support for TLS, SRTP, HTTPS, and 802.1x network authentication.

Firmware updates can be performed remotely via TFTP, FTP, or HTTP, ensuring the phone remains current with the latest features and security patches. The X7 comes with a desktop stand and can also be wall-mounted with an optional bracket. Its sleek black design integrates seamlessly into modern office settings, combining functionality with a professional appearance.