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TechSpec
  • Foreword
  • 0 Scope
  • 1 Framework for the description of telecommunication services
  • 2 Description of circuit telecommunication services by the attribute method
  • 3 Characterization of circuit telecommunication services
  • 4 Provision of telecommunication services
  • A.1 Information transfer attributes
  • A.2 Attributes describing the access at the user equipment
  • A.3 Interworking attribute
  • A.4 General attributes
  • B.1 High layer attributes
  • B.2 Low layer attribute (bearer capabilities)
  • B.3 General attributes
  • C.1 Scope
  • C.2 Network Determined User Busy (NDUB) condition
  • C.3 User Determined User Busy (UDUB) condition
  • C.4 Mobile subscriber busy
  • D.1 Scope
  • D.2 Mobile Originated Call Set-up
  • D.3 Mobile Terminated Call Set-up
  • F.1 General
  • F.2 Supervisory tones
  • F.3 Recorded announcements
  • F.4 Application of call control cause information elements to supervisory tones

B.1 High layer attributes

22.0013GPPPrinciples of circuit telecommunication services supported by a Public Land Mobile Network (PLMN)Release 17TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

B.1.1 Type of user information

This attribute describes the type of information which the communication offered to the user by the teleservice is based on.

Values:

– speech;

– short message;

– facsimile.

B.1.2 Layer 4 protocol functions

B.1.3 Layer 5 protocol functions

B.1.4 Layer 6 protocol functions

B.1.5 Layer 7 protocol functions