Extension Modules

Extension Modules

GBX 20 EXT Module


  • 4.3 inch (272×480) 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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The powerful extension modules series of Grandstream, the GXP series include the Grandstream GBX 20EXT that is more than enough for organizations of any size and sector to manage their contacts and handles a large number of calls. The module is pretty easy to use and it comes with programmable keys and easy page switching feature. Moreover, our extension modules are highly compatible with all the other IP phones in Pakistan.




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