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An easy-to-setup extension module that is ideal for increasing call control efficiency for receptionists, executives or any high-volume user. Any attendant will enjoy maximized productivity by monitoring and dispatching multiple incoming calls with our Extension Modules. The GXP2200EXT pairs with our GXP2140, GXP2170, and GXV3240. The GBX20 extension module pairs with both the GRP2615 and GXV3350.


  • 128x384 backlit LCD display
  • 20 programmable dual-color buttons per module, 2 pages per module (40 contacts total)
  • BLF/speed dial
  • Daisy-chain up to 4 modules for up to 160 contacts/extensions

  • 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