Based on this product's specifications, here are some alternatives and similar models
EHS Remote Control Wired Telephone Fanvil EHS20
Summary description:
The Fanvil EHS20 is a wired remote control designed for use with Fanvil telephones. It supports one device and features a user-friendly button interface for easy operation. Ideal for enhancing productivity in office environments, this remote control allows for seamless call management without the need to be near the phone. Its robust design ensures reliability and durability, making it a valuable addition to your communication setup.