Definitions for "IDSL"
Keywords:  dsl, isdn, kbps, adsl, symmetric
ISDN Digital Subscriber Line — DSL, which uses the 2B1Q line coding of ISDN to obtain speeds of 128Kb/s symmetrically. Slower than most other forms of DSL, but able to be deployed up to 24,700 feet from the central office.
ISDN DSL using 2BlQ line code.
see ISDN Digital Subscriber Line.