Scope
PART I � GENERAL CONSIDERATIONS APPLICABLE TO ALL CONFIGURATIONS
�1����
General principles
�2����
Quality of Service objectives
�3����
Configuration models
������� 3.1���� Minimum integration
������� 3.2���� Maximum integration
�4����
Terminal adaptors
PART II � USE OF THE B-CHANNEL OF THE ISDN IN CIRCUIT MODE FOR THE PROVISION OF
THE INTERNATIONAL TELEX SERVICE
�1����
Minimum integration model
�2����
Maximum integration model
�3����
Call establishment sequences
������� 3.1���� Minimum integration model
������� 3.2���� Maximum integration model
�4����
Terminal adaptor functions
�5����
Access unit
�6����
Tasks of the interworking function
�7����
Other telex service features
PART III � USE OF THE D-CHANNEL FOR THE PROVISION OF THE INTERNATIONAL TELEX
SERVICE
�1����
Quality of Service
�2����
Switching signalling
�3����
Text and data transmission
�4����
Telex access points
�5����
Telex-to-ISDN connections and vice versa
�6����
Special procedures for different configuration models, incorporating
switching
�7����
Switching signalling conversion
�8����
Conversion of telex message characters
�9����
Recapitulation