Grandstream GBX20 4.3″ Extension Module

Grandstream GBX20 4.3″ Extension Module Overview Product Overview • size 18pxFeatures n n4.3-inch Color LCD Display n40 Programmable BLFSpeed DialExtension Keys nDaisy-chain Support nMulti-Functional. nCompatibility nPower Supply nEasy Installation n n nAdditional Features n n4.3-inch Color LCD Display Provides a clear and easy-to-navigate interface for additional lines and functions. n40 Programmable BLFSpeed DialExtension Keys Equipped with 20 dual-colored line keys per page and the ability to switch between two pages, allowing a total of 40 programmable keys for Busy Lamp Field BLF, speed dial, call park, and other extensions. nDaisy-chain Support Up to 4 modules can be connected to compatible Grandstream IP phones, expanding the number of programmable keys further. nMulti-Functional Supports advanced call handling features such as call transfers, call forwarding, call parking, and more through the programmable keys. nCompatibility Works with Grandstreams GRP2615, GRP2624, GRP2636, and GXV3350 series phones, seamlessly expanding the user interface. nPower Supply The module is powered directly from the host phone, eliminating the need for an additional power supply. nEasy Installation Plug-and-play design makes it easy to connect and configure with compatible devices. n High-quality materials and latest technology. Designed for durability and efficiency. Perfect for professionals and home users. Trusted by thousands of customers worldwide. Order now and get fast delivery High-quality materials and latest technology. Designed for durability and efficiency. Perfect for professionals and home users. Trusted by thousands of customers worldwide. Order now and get fast delivery Why Choose This Product? ✔ High-quality materials and design. ✔ Built for performance and durability. ✔ Trusted by thousands of satisfied customers. ✔ Perfect for home and professional use. ✔ Fast delivery and great customer support. Key Features ✔ High-quality materials and latest technology. ✔ Designed for durability and efficiency. ✔ Ideal for professionals and home users. ✔ Trusted by thousands of customers worldwide. ✔ Order now and get fast delivery!