Honeywell International Inc. HD-128 Manuale Utente

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Copyright © EMS Technologies Canada, Ltd.

 

User’s Guide EMS-MN-1110-10048 

57 

Dialing sequence explanation 

The following diagram explains the different components 
of a typical dialing sequence required when placing voice 
and fax calls from air-to-ground using a HSD Transceiver. 
The components are described as follows: 

•  The Fax Call Prefix is only used when sending 

fax. The prefix indicates to the system the type 
of service being requested. 

•  The International Code of [00] is required for all 

calls from the aircraft. 

•  The Country Code, Area Code or City Code, and 

Telephone or Fax Number are dialed the same as 
ground-based calls. 

•  The pound key [#] must be included at the end of 

the dialing string to initiate (send) the call.  

Fax Call Prefix

Count

International Code

ry Code

Area Code or City

Code

Telephone or Fax

Number

Send

00

 

1

Getting assistance 

If you need assistance or have questions about placing calls, 
contact the Land Earth Station operator.  

To contact the LES operator: 

•  Dial 33, and then press #