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The Yealink EXP40 Expansion Module is designed to enhance the flexibility and call-handling capacity of the SIP-T46S, SIP-T46G, SIPT48S and SIP-T48G IP Phones. It features a backlit 160×320 Graphic LCD and provides two pages of 20 flexible buttons, paired with a dual-colour LED.
It features a large graphical 160×130 pixel LCD screen and offers two pages of 20 flexible buttons that can be programmed to support up to 40 various features. The EXP40 Expansion Module can thus support productivity-enhancing features such as BLF/BLA, speed dialling, call forward, call transfer, park, pickup and many other operations.
Up to 6 Yealink EXP40 Expansion Modules can be connected to a SIP-T46S, SIP-T46G, SIP-T48Sor SIP-T48G for attendant console applications, adding up to 240 additional buttons. Up to 3 EXP40 Expansion Module can be powered by the IP Phone they are connected to, otherwise, a conventional power supply (5V/1.2A) is required where more than three Expansion Modules are integrated with an IP phone.