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Data Calls Getting Started
3.4 Data Calls
Please note: The data connection services are only
available when the vessel is positioned inside an area
with Spot Beam coverage.
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3.4.1 MPDS Connection
The Mobile Packet Data Service (MPDS) provides the
mobile user with an economic and flexible data connection.
The user is only charged by the transferred traffic (in MB).
This means that for applications like Web browsing, email
services, IP/LAN connectivity, small to medium size file
transfer, the MPDS will be the most economic and
convenient solution. The maximum data transfer rate is 64
kbit/s to the terminal and 28 kbps from the terminal.
A connection can be started automatically by an application
like Internet Explorer or Outlook Express. The connection
can also be established manually. In windows, open Dial-
Up networking and double click the appropriate icon. Enter
username and password if necessary. Click ‘Connect’. Wait
for the connection to be completed, indicated by a ‘Dial-up
Networking’ icon in the task bar tray.
To disconnect: Right click the tray icon and choose
‘Disconnect’.
See section 5.2.1 on how to setup the computer and
transceiver for an MPDS connection.
While in MPDS mode the TT-3088A is flagged busy in the
Inmarsat network. This means that the Fleet system is not
able to receive any incoming calls until it returns to normal
idle mode. However, the user can enable the Call Waiting
Notification feature. This allows the system to receive voice
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