The X210 is equipped with an impressive 60 programmable line keys, 12 soft keys, and 8 dedicated function keys (such as call, end, menu, and voicemail), ensuring efficient operation and easy access to various functions. The phone supports HD audio with advanced codecs like G.711a/μ, G.729, G.722, G.723, and G.726, delivering crystal-clear sound quality. Echo cancellation and noise reduction further improve audio clarity during calls.

For hands-free communication, the X210 features a full-duplex speakerphone, and it supports both RJ-9 and optional 3.5mm headset connections for added flexibility. The device provides robust network connectivity with dual 10/100/1000 Mbps Ethernet ports and supports Power over Ethernet (PoE) for straightforward installation. An optional external power adapter (5V DC, 2A) is available for additional power needs.

The phone supports SIP v2 (RFC 3261) and can handle up to 30 SIP accounts, making it suitable for complex business communication scenarios. It includes HD video calling capabilities with support for video codecs such as H.264, enhancing virtual meetings and video conferences.

Call handling features are comprehensive, including call transfer, call forwarding, call hold, 3-way conference calling, call waiting, and caller ID. Security is reinforced with support for TLS, SRTP, HTTPS, and 802.1x network authentication, ensuring secure communication.

Firmware updates can be managed remotely via TFTP, FTP, or HTTP, keeping the phone current with the latest features and security patches. The Fanvil X210 comes with a desktop stand and can also be wall-mounted with an optional bracket. Its sleek black design integrates seamlessly into any professional office setting, offering a powerful and stylish solution for high-end enterprise communication.