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Copyright © EMS Technologies Canada, Ltd.
HSD Aeronautical Transceivers
58
Placing air-to-ground voice calls
This section provides detailed instructions on how to place
a variety of air-to-ground voice calls.
Calling to North America
To place a voice call from air-to-ground to
North America:
1. Listen for dial tone before placing a call; it indicates
that the system is ready.
2. Dial
00
.
3. Dial
1
(the country code for North America).
4. Dial the area code, and then the telephone number.
5. Press
#
.
00
1
Area C
+
+
+
ode
Telephone
Number
#
+
The call is routed through the satellite link and the
Land Earth Station (LES) and connecting to the PSTN;
you may experience up to a 30 second delay before
your call rings through.