Grandstream GXP2200EXT Expansion Module

The best option for giving any user strong call control and flexibility is the GXP2200 Extension module. The module itself has two arrow keys for page switching and twenty dual-colored extension keys that make for an easy-to-use and straightforward design. In addition to enabling the ability to connect up to 4 GXP2200EXT modules to compatible Grandstream phones for visibility on up to 160 more contacts/extensions, each module supports up to 40 extra contacts and extensions. Thanks to its feature-rich design, the GXP2200EXT offers users increased productivity. All of its programmable buttons offer standard call functions such as conference/transfer/forward, busy lamp fields, call park/pick-up, speed dial, presence, and bridging line appearance/shared call appearance.