tl1

1 definition found

tl1 - Free On-line Dictionary of Computing (26 May 2007) :

  TL1
  
     Transaction Language 1.
  
     A subset of ITU-T's MML from Bellcore, with simpler
     syntax.  TL1 is similar to USL.  It is used in
     communications between telephone operating systems and remote
     network test equipment.
  
     [OTGR, TR-TSY-000439, section 12, Bellcore].
  
     (1994-12-14)