Yealink T4 series Expansion Module (Renewed)

This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.

• The EXP40 Expansion Module for the SIP-T46S, SIP-T46G, SIP-T48S and SIP-T48G.
• Expanding the functional capability of your sip phone to a whole new level.
• Equipped with a 160x320 graphic LCD with Backlight. 20 physical keys each with a dual-color LED and two page views are possible.
• Supports up to 6 Expansion Modules for an attendant console application, adding up to 240 additional buttons.
• Two pages of 20 flexible buttons are shown on the display can be programmed up to 40 various features, the productivity-enhancing features include BLF/BLA, speed dialing, call forward, transfer, park, pickup, etc.