GBX20 – Extension Module

  • Connects to GRP2615 Carrier-Grade IP Phone and GXV3350 Video IP Phone
  • 40 extensions per module with 2 page swtich keys (20 per page)
  • Daisy chain up to 4 models for a total of 160 extensions
  • 3 inch (272×480) TFT color LCD
  • Local GUI: Multiple line/call appearances

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