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Contacting another station - using selective call Selcall, Telcall or ALE Calls
The calling systems available for the Barrett 2060 telephone interconnect are listed
below:-
International
A four and six digit selective call system, fully interoperable with the UN format
published in September 2004 and fully backwards compatible with all previous
Barrett 4 digit Selcall protocols. Includes Selcall, Beacon Call, Pagecall (SMS) call
and GPS request calls.
OEM
A four and six digit selective call system compatible with other major HF
manufacturers including those using encryption. Includes Selcall, Telcall, Beacon
Call and GPS request calls.
CCIR
A four digit selective call system as specified by CCIR-493. Includes Selcall,
Telcall, Beacon Call and GPS request calls.
Selective call - Selcall
Selcall is a digital signalling system based on standard CCIR-493 for use on HF
networks. Each station in an HF network is assigned an individual four or six digit ID
(identification) and can be called using this ID.
Selective call - Telcall
Telcall uses this digital selective call system to transport a telephone number from
the telephone interconnect unit to a station on the HF network to store a telephone
number for the HF station to call back later.
Station ID ranges
4 and six digit networks are all accommodated in the 2050 standard Selcall
system
Station ID range from 000000 to 999999 inclusive (the destination ID
must
be
either 4 or 6 digits long)