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Connect your telephone sets to your landline

Have you just bought a new telephone set or your telephone doesn't work anymore? The connection depends on your subscription: you either have a traditional landline or a VoIP line.

Traditional landline or a VoIP line?

You can easily check this on your payment statement or bill under Installation address and numbers:

Installation address and numbers on your payment statement or bill

  • Is Network connection the only item listed? In that case, you have a traditional landline.
  • Is VoIP Telephony also listed or you have a IP telephony product? In that case, you have Phone Line over IP or in short, a VoIP line

Connect your telephone sets

Once you know what type of phone line you have, you can connect your devices to your traditional landline or VoIP line:

Traditional landline

Check whether you have a connection point or one or more telephone sockets.

Do you have a connection point and one or more telephone sockets? If you want to connect up to 2 fixed telephone sets or 2 base stations (for cordless phones) with a cable, always choose the connection point to avoid problems with your indoor cabling.
Do you have an alarm system? In that case, you'll need to plug your telephone sets into a telephone socket and not into the connection point.


You have a connection point with 2 telephone connections

Connection point with 2 telephone connections

If your connection point is not yet installed, view the manual in French(.pdf) or in Dutch(.pdf) to help you install the connection point.

  1. If you have a VDSL2 splitter, check that the two switches on the back of the VDSL2 splitter are in the "ON" and "KE" position. Do not unplug the cable that may be connected to the VDSL2 splitter.
    Switches on the VDSL2 splitter
  2. If you have a VDSL2 splitter, plug it into the connection point to prevent interruptions.
    Connect the VDSL2 splitter on the connection point.
  3. Slide open one of the two clips (Telephone logo on the connection point) on the connection point and plug your telephone cable into it.
    Slide open one of the clips on the connection point and insert your telephone cable.

Your telephone set is now connected.


You have one or more telephone sockets

Telephone socket

Please note: If you also have a connection point, you can only plug your telephone sets into other telephone sockets if our technician has connected the indoor cabling to the connection point. In case of problems, always test your phone on the connection point.

  1. Plug the telephone adapter into the telephone socket.
    Connection of the telephone adapter and VDSL2 splitter
    Don't have a telephone adapter? Then it's very simple. If you have an ADSL splitter, first plug that in and then plug your telephone set into the ADSL splitter. You don't have to do anything else.
    Connect the ADSL splitter first and then your telephone device.
  2. Is your modem connected here? Plug the VDSL2 splitter into the telephone adapter to prevent interruptions. Do not unplug the cable that may be connected to the VDSL2 splitter.
    Plug the VDSL2 splitter into the telephone adapter.
  3. Plug the telephone cable into one of the TEL ports of the telephone adapter.
    Plug the telephone cable into one of the TEL ports of the telephone adapter.

Your telephone set is now connected.

VoIP line

You can connect 2 analog telephone sets (corded phones or base stations for cordless telephones), 4 IP phones or a combination of both to the modem using a cable.

Please note: If you also have other telephone sockets, you can only plug your telephone sets into these if our technician has connected the indoor cabling to the connection point. In case of problems, always connect your phone directly to the modem.

  1. Go to the connection point to which your modem is connected.
    Connection point
  2. Plug the telephone cable into the green Phone 1 or Phone 2 port (furthest to the left) on the back of the modem.
    Plug your telephone into the green Phone 1 or Phone 2 port on the modem.
    Does the telephone cable not fit or do you not have a telephone cable?
    • If the telephone cable does not fit, it means you probably have an IP phone (e.g. Maestro 3016 IP). You can check this in your phone's user manual. Plug the telephone cable into any yellow LAN port on the back of your modem.

      The telephone cable is an IP cable which normally comes supplied with your phone. An IP cable is a regular network cable that is also used to connect computers to the Internet. Don't have an IP cable? Ask for a UTP Cat5e network cable in an electronics or DIY store.


      Connect the IP phone to one of the yellow LAN ports on the modem.
    • If you don't have a telephone cable (e.g. Twist 40 HD), set the cordless phone to "pairing mode" as described in your phone's manual. Press the DECT & WPS button until the light flashes. When the light stops flashing, it means your cordless phone is connected.
      DECT&WPS button on the modem

Your telephone is now connected.

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