How to Wire a Broadband Telephone

Written by raul avenir | 13/05/2017
How to Wire a Broadband Telephone
Broadband telephones use the Internet to send voice signals. (Internet image by Soja Andrzej from

Broadband telephones refer to landline telephones that use the Internet to transmit voice signals. Voice over Internet Protocol, or VoIP, converts analogue landline telephone voice signals into digital form through the use of an analogue telephone adaptor (ATA). VoIP long-distance calls are toll-free and its international calls are cheap, which is why more and more conventional landline phone users are switching over to VoIP phones. Learn how to wire broadband phones and start saving money.

Sit an analogue telephone adaptor or ATA beside your Internet-enabled network router or Internet modem. Plug one end of the Ethernet patch cable (supplied with the adaptor) to its matching RJ-45 port at the back of your adaptor, and plug its other end to a similar port behind the router or modem.

Attach or mount an RJ-14 telephone jack beside the adaptor and another RJ-14 jack on the wall nearest to where you want to place a VoIP-enabled landline phone. Remove the cover of both jacks, and loosen the green and red terminal screws inside, using a screwdriver.

Install telephone cable from one jack to the other, but provide an extra 6 inches on both ends of the cable for slack. Fasten the cable using cable stapler every 12 inches along the way. Avoid puncturing the cable to prevent poor voice transmission.

Strip off the cable jacket at its tip on both ends by 3 to 4 inches using diagonal pliers. Remove 1/2 inch of insulation from the tip of the exposed red and green wires on both ends of the cable, using a wire stripper. Loop the red and green wires clockwise around their matching red and green terminal screws on both jacks, and tighten the screws to secure the connections. Replace the jack cover.

Connect the adaptor to the phone cable by plugging a telephone patch cord (RJ-11) into the back of your analogue telephone adaptor and plugging the other end into the wall jack installed beside it. Plug a landline telephone into the jack on the other end of the line, lift the handset and call someone to ensure that the line is working.

Things you need

  • High-speed Internet
  • Analogue telephone adaptor (ATA)
  • Screwdriver
  • Telephone cable
  • Diagonal pliers
  • Cable stapler
  • RJ-14 phone jack (surface mount)

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