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• ITU-T Rec. Q.766 (1988)
• 1 Introduction
• 2 Signalling availability
  • 2.1 Signalling route set availability
  • 2.2 Signalling network availability
• 3 Signalling dependability
  • 3.1 General
  • 3.2 Probability of signalling malfunction
• 4 Signalling delay
  • 4.1 Functional reference points and transfer time components
  • 4.2 Delays
  • 4.3 Effect of retransmission
• 5 Signalling system limitations
  • 5.1 Labelling potential
  • 5.2 Number of ISDN call identities at a signalling point
• References