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You can connect the following to your Gigaset DE900 IP PRO:

  • A headset via the RJ-9 connector
  • A headset via DECT or Bluetooth™
  • A mobile phone via Bluetooth™ (Link2Mobile™)
  • A handset via DECT

A maximum of one device can be connected via Bluetooth and one device via DECT.


If I connect a DECT handset/headset and a mobile phone via Bluetooth, can I answer the incoming call via the mobile phone on the handset/headset?


No, the DECT and Bluetooth interface share one voice path. They can be activated simultaneously but cannot be used at the same time.