1.   A. Most of the digital subscriber line services written about these days refer to ADSL, or asymmetric digital subscriber lines.

2.   BT will run the trial using a technology called asymmetric digital subscriber link, or ADSL.

3.   Southwestern Bell is testing a high-speed technology called asymmetric digital subscriber line with Shell Oil employees in Houston.

4.   The services are called ISDN, for integrated services digital network, and ADSL, for asymmetric digital subscriber line.

5.   ADSL stands for asymmetric digital subscriber line, which increases transmission speed in a copper cable.

6.   ADSL stands for asymmetric digital subscriber line, or cable modems.

7.   Powerline communications have long been touted as an alternative to the delivery of broadband services over cable or asymmetric digital subscriber lines.