Expansion module EXP20

An additional expansion module compatible with the SIP-T27G model that lets the user quickly and easily forward a call, dial a pre-saved number, or even perform any phone function with a single button press. The expansion module has 20 physical buttons, but with 1 button you can switch between two function pages, which gives a total of 38 usable function buttons. Features: 160x320 black-and-white graphic LCD screen LCD backlight Ability to view 2 pages 20 buttons, each with a 2-color indicator Programmable BLF List, call park, multi-person conferencing, LDAP, Call forwarding, XML Browser Stand with 2 different angles Power is supplied by the IP phone it is connected to 2xRJ12 (6P6C) information ports Dimensions: 122*143*110*45 mm Compatible with Yealink phones Operating temperature: -10~50°C