1 Introduction
2
Conversion of information elements
2.1 Signalling System No. 7 (TUP)
2.2 Signalling System R2
2.3 Signalling System No. 7 (ISUP)
2.4 Signalling System No. 5
3
Incoming INMARSAT procedures (ship-to-shore calls)
4
Outgoing INMARSAT procedures (shore-to-ship calls)
5
Interworking of incoming INMARSAT to outgoing INMARSAT
6
Interworking of Signalling System R2 to outgoing INMARSAT
7
Interworking of incoming INMARSAT to Signalling System R2
8
Interworking of Signalling System No. 7 TUP to outgoing INMARSAT
9
Interworking of incoming INMARSAT to Signalling System No. 7 TUP
10 Interworking of Signalling System
No. 5 to outgoing INMARSAT
11 Interworking of incoming INMARSAT
to Signalling System No. 5
12 Interworking of Signalling System
No. 7 ISUP to outgoing INMARSAT-B
13 Interworking of incoming INMARSAT
to Signalling System No. 7 ISUP