• CCITT Rec. Q.100 Supplement 2 (11/1988) – CHARACTERISTICS OF SPEECH INTERPOLATION SYSTEMS AFFECTING SIGNALLING
  • 1 CELTIC system
    • 1.1 General
    • 1.2 Summary description of CELTIC
    • 1.3 Links between CELTIC and the transit centre
    • 1.4 Operation of CELTIC with different types of signalling
  • 2 DSI characteristics
  • 3 TASI characteristics affecting signalling
  • References