Rec. ITU-T F.72 (03/1993) … THE INTERNATIONAL TELEX SERVICE - GENERAL PRINCIPLES AND OPERATIONAL ASPECTS OF A STORE ...
FOREWORD
TABLE OF CONTENTS
1 Scope
2 General
3 Service requirements
    3.1 Message identification
    3.2 Service signals
    3.3 Duration of message storage
    3.4 Maximum message length and duration
    3.5 Store full indication
    3.6 End of transaction and end of message signal
    3.7 Input transaction accepted
    3.8 Message security
    3.9 Advice of non-delivery/delivery
    3.10 Call records
    3.11 Incomplete message
4 Facilities
    4.1 Single address
    4.2 Multi-address
    4.3 Follow-on messages
    4.4 Classes of delivery
    4.5 Cancellation
    4.6 Address correction
5 Quality of Service
    5.1 Loss probability in the store and forward procedure
    5.2 Error protection
    5.3 Duration of service
    5.4 Number of circuits
    5.5 Minimum storage capacity
6 Access principles
7 Access procedures
    7.1 General
    7.2 Access from a telex subscriber
    7.3 Service request
    7.4 Message input
8 Contents of the address line
9 Abnormal conditions during message input
10 Message status enquiry
11 Delivery procedure
12 Notification procedures
    12.1 Types of notification
    12.2 Notification delivery procedures
13 Delivery retry procedures
14 Contents of delivery/non-delivery notifications
15 Internationally interconnected store and forward units