�1���� Scope
�2����
General principles
������� 2.1���� Access types
������� 2.2���� Applicability for a telex subscriber
������� 2.3���� Types of functions to be provided by the SEF
�3����
Access protocols
������� 3.1���� Access protocol by use of an access number different from the
normal IWF number
������� 3.2���� Access protocol by use of the same access number as the normal
IWF number