The GBX20 is a backlit LCD extension module supported by the GXV3350 and GRP2615. The module includes 20 dual-colored extension keys and 2 arrow keys for page switching (allowing each GBX20 to support up to 40 contacts/extensions.). Connect up to 4 GBX20 modules to compatible Grandstream phones for a total of 160 contacts/extensions.
If your business needs a powerful call control and flexibility, then GXP2200 Extension module is an ideal choice. It has a very clear design, 20 dual-colored extension keys, and 2 arrow keys for page switching. Also, visibility of up to 40 additional contacts and extensions is supported. Moreover, the user can connect up to 4 GXP2200EXT modules to compatible Grandstream phones in order to view up to 160 new contracts/extensions. The best part is that GXP2200EXT Expansion Module supports traditional call features on each of its programmable buttons along with the bridged line appearance/shared call appearance, busy lamp fields, call park/pickup, speed dial, presence, intercom, and conference/transfer/forward.
- 4.3 inch (272x480) TFT color LCD
- 20 per page (each module contains 2 pages, for up to 40 lines per module
- Combine up 4 daisy-chained modules for 160 contacts/extensions
- BLF, call park /pick-up, speed-dial, presence, intercom, voice conferencing transfer/forward and more
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