JRC INMARSAT FleetBroadband FB250 Operation Manual page 96

7. Using Audio port
Dial-up procedure from Audio port
00 Country Code Area Code Subscriber's number
Example) Placing a call to +81-422-45-9111, in Japan→0081422459111
NOTE
The telephone connected to Audio port cannot forwarding a call to TEL1 port, TEL2 port, or Handset
port.
Also, a call using Secret Code and forced setting service are not supported yet.
Regarding the Redial calling and the Speed Dialing, it is depending on the specification of your
Terminal Adapter.
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