FRITZ!Box 7330 – Service - Knowledge Base

FRITZ!Box 7330 – Service
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Using an analog PBX with the FRITZ!Box

Devices connected to your analog PBX can use all of the telephone numbers that were entered in the FRITZ!Box. To do so, you must connect the PBX to the FRITZ!Box and configure both devices for parallel use.

Note:The configuration procedure and notes on functions given in this guide refer to the latest FRITZ!OS for your FRITZ!Box.

1 Configuring telephone numbers in the FRITZ!Box

First, configure all of your telephone numbers in the FRITZ!Box:

Configuring Internet telephone numbers

Configuring a landline number

Configuring a mobile telephone number

2 Connecting the PBX to the FRITZ!Box

  • Connect the PBX to the analog extension on your FRITZ!Box.

3 Configuring the PBX in the FRITZ!Box

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephony Devices" in the "Telephony" menu.
  3. Click the "Configure New Device" button.
  4. Enable the option "Telephone (with or without answering machine)" and click "Next".
  5. Select the port "FON 1", click "Next", and follow the instructions. The Wizard takes you through the configuration of your PBX.