Original sentence: BT sought to challenge Freeserve's business plan by arguing that under the regulatory model (known as Number Translation Services, or NTS), it should receive more money for each call, and in January 1999 Oftel announced that they would carry out a review
Edited sentence: BT sought to challenge Freeserve's business plan by arguing that under the regulatory model (known as Number Translation Services, or NTS), it should receive more money for each call, and in January 1999 Oftel announced that they would carry out a review, although it never amounted to much