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Sending calls

HF SSB transceiver user guide 4-39

Telcall

This section describes how to use your transceiver to transmit

and receive telephone calls through the Public Switched

Telephone Network (PSTN) and covers operation of the

standard telcall and the more secure Radphone Direct Dial

(RDD) telcall service.

In a telcall, you can call a station that is capable of

connecting you to the PSTN. Your transceiver sends the

telephone number you want to call and the receiving station

automatically transcribes the call, via a suitable controlling

interface to the telephone network, which calls the number

you want.

You can send telcalls to stations privately equipped with

telephone interconnect units such as the IPC-500.

Your conversation can be monitored by anyone tuned to your

transmit frequency.

Before you can send a telcall, you need to:

• make sure that the use of telcalls is switched on (refer to

the HF SSB transceiver reference manual, Chapter 8,

Telcall availability on/off)

• set up your address (refer to the HF SSB transceiver

reference manual, Chapter 8, Selcall address setup)

• set up a channel for selcalling (refer to the HF SSB

transceiver reference manual, Chapter 3, Channel

creation and editing).