LineLink setup and common procedures

Learn how to set up your LineLink device.



Preliminary checks

Before you get started, verify the following:

  • You have verified your E911 address and added the T-Mobile LineLink rate plan.
  • You have reliable high-speed internet (cable, DSL). LineLink is not recommended for satellite Internet.
    • Your cable modem and/or router are turned on and functioning.




    1. Insert the provided SIM card into the T-Mobile LineLink with the metal facing up, cut corner inserted first
    2. Locate an open LAN port on the back of your Internet router.
    3. Connect one end of the provided Ethernet cables to the LAN port on the LineLink device and the other end to an open LAN port on the router.
    4. Connect one end of the USB cable to the LineLink USB port and the other to the included wall adapter.
    5. Connect the home phone to the LineLink phone port and wait 2-3 minutes for provisioning.
    6. When the LED lights are solid green and solid blue, it means the LineLink is ready for use:
      • Solid green Power LED indicates device powered on, performed self-test, and completed update.
      • Solid blue Phone LED indicates a successful Internet connection.
      • Solid green Internet LED indicates a successful T-Mobile network connection.
    7. Pick up the home phone and listen for the welcome message: 'Congratulations, your T-Mobile LineLink is now ready to be used'.
    8. Dial 1-2-3 or the LineLink phone number to set up voicemail.


    Check voicemail

    • The Phone LED on the LineLink device flashes blue when there is an unread voicemail message.
    • To access voicemail, call 1-2-3 or the customer's phone number.
    • The Phone LED on the LineLink device returns solid blue after the voicemail is retrieved.


    E911 address

    1. Log in to My T-Mobile.
    2. Click PROFILE in the top right corner.
    3. Click Account Settings.
    4. Locate the E911 ADDRESS section and click Edit.
    5. Update the address. It must be a physical address.
    6. If applicable, check either box:
      • Make this the e911 address for all lines.
      • Make this the usage address for all lines.
    7. When finished, click SAVE.


    Insert SIM

    1. Ensure you have a T-Mobile Micro-SIM card.
    2. Align the cut corner of the SIM card with the LineLink device as shown.
    3. Insert the SIM card (metal part facing up) into the SIM slot (see image under Device images section).
    4. The SIM card is spring loaded and clicks into place when inserted.


    Factory reset

    1. Using a paper clip or other small tool, press and hold the Reset button for 10 seconds.
    2. Release the Reset button.
    3. The device is now restored to its factory settings.



    1. Unplug power source from LineLink or wall outlet.
    2. After a few seconds, plug power source back into LineLink or wall outlet.


    Upgrade firmware

    Firmware is automatically checked and upgraded every 24 hours. Current version: 1.01.48.

    1. Unplug power source from LineLink or wall outlet.
    2. After a few seconds, plug power source back into LineLink or wall outlet.
    3. Alternatively, check firmware version from the LineLink troubleshooting tool by searching the device MSISDN or IMEI.
    4. If the current firmware version listed is earlier than the latest firmware version listed, upgrade firmware.


    Set up call forwarding


    Call Forwarding Unconditional (CFU)

    1. To activate, dial *72 + mobile number. Example: *72 (206) 111-1111.
    2. To deactivate, dial *73.


    Call Forward No Reply Conditional (CFNRy)

    1. To activate, dial *42DN.
    2. To deactivate, dial *93.


    Device images


    Front view



    Rear view



    More images