Make the call with the onn. 50ft. Telephone Line Cord. Its extra-long 50ft. length is perfect for swapping out shorter versions to improve the reach of your landline phone. The cord is equipped with a plug at each end to fit standard phone jacks and is ready to use right out of the package. Compatible with all brands of equipment that plug into phone jacks it is also an ideal option for connecting modems and fax machines. The cord’s durable jacket shields it from the wear and tear of being used every day which makes it ideal for home or office use.