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Telephone Line Interference/VoIP

Related Models:MFC‑T920DW / MFC‑T925DW

If you are having problems sending or receiving a fax due to possible interference on the telephone line or if you are using a VoIP system, we recommend changing the modem speed to minimize errors in fax operations.

  1. Press Ajustes (Settings).
  2. Press image or image to make your selections:
    1. Select [Initial Setup]. Press OK.
    2. Select [Compatibility]. Press OK.
    3. Select [Normal] or [Basic(for VoIP)]. Press OK.
      • [Basic(for VoIP)] reduces the modem speed to 9,600 bps and turns off Error Correction Mode (ECM). Unless interference is a recurring problem on your telephone line, you may prefer to use it only when needed.

        To improve compatibility with most VoIP services, Brother recommends changing the compatibility setting to [Basic(for VoIP)].

      • [Normal] sets the modem speed at 14,400 bps.
  3. Press Detener/Salir (Stop/Exit).
    image
    • VoIP (Voice over IP) is a type of phone system that uses an Internet connection, rather than a traditional phone line.
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