Dialing/Communication Control; Circuit Connection And Procedure To Change Mode; Dial Call-Up Transmission To A Telephone Circuit - Toshiba GD-1370 Service Manual

3.

DIALING/COMMUNICATION CONTROL

3.1

Circuit Connection and Procedure to Change Mode

3.1.1

Dial call-up transmission to a telephone circuit

START
Detecting a calling signal?
NO
Detecting an off-hook signal?
NO
DC circuit closed
After detecting the dial tone
YES
Selection signal sent out
END
Fig. 3-1
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YES
YES
NO
Standby state
3 - 1
GD-1370
DIALING/COMMUNICATION CONTROL
3