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• ITU-T RECOMMENDATION I.231.6 (1988)
• 6 I.231.6 - Circuit-mode 384 kbit/s unrestricted, 8 kHz structured bearer service category
  • 6.1 Definition
  • 6.2 Description
  • 6.3 Procedures
  • 6.4 Network capabilities for charging
  • 6.5 Interworking requirements
  • 6.6 Interaction with supplementary services
  • 6.7 Attributes and values of attributes of the circuit-mode 384 kbit/s unrestricted, 8 kHz structured bearer service category
  • 6.8 Provision of individual circuit-mode 384 kbit/s unrestricted, 8 kHz structured bearer services
  • 6.9 Dynamic description