You can still continue to fax with fixed network telephony (IP). Insert the fax device and the fixed-network telephone directly into the router. Note that the maximum possible transmission speed for fax with fixed network telephony (IP) is 14,400 bit/s.
We recommend that you connect the fax to a separate telephone number so that your device can accept incoming faxes directly.
If you have problems sending or receiving fax documents, check the following: