View all products Grandstream GXP 2010/2020 Expansion Module

Product information

inc. VAT
The GXP2020EXT delivers additional functionality, versatility and flexibility to Grandstream’s GXP2020 and GXP2010 enterprise IP phone series. The GXP2020EXT module features 56 programmable buttons (each with dual color LED) and up to 112 programmable buttons when two extension modules are daisy chained together. The GXP2020EXT module is connected to and controlled by the GXP2020 or GXP2010 with a short connector cable, providing the benefits of the additional keys instantly. Power and signaling are provided by the host phone. The GXP2020EXT supports the traditional call features on each of its programmable buttons, including BLF (busy lamp field), conference/call transfer/forward/pick up.


Stock availability:discontinued
Excluding VATIncluding VAT
Single unit price £56.53£67.84
5+ price£54.87£65.84
10+ price£53.30£63.96

Delivery and availability

Stock availability: discontinued.

Manuals and Downloads


  • 56 programmable buttons per module
  • Busy Lamp Field (BLF)
  • Speed dial for each line
  • Daisy-chain 2 modules for 112 programmable buttons
  • Conference/call transfer/forward/pickup


Lines 56 up to 112 with 2 daisy chained GXP2020 EXT modules
Compatible Grandstream IP Phones GXP2020 and GXP2010
Feature Support

Local feature-rich GUI with animation driven from the host  GXP2020/GXP2010 phone;

Multiple line/call appearances.

Firmware Upgrades Delivered by host phone.  Host phone must support firmware or higher versions
Cost-effective IP Solution Small to Medium enterprise office IP Phone
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