2N EasyGate Pro User Manual page 11

Telephone Line Tones – Operational Tones
The GSM gateway sends tones to the telephone line to indicate the line status.
Following part describes the factory default setting. The tone frequency is 425 Hz.
Dial tone
continuous or morse A
EasyGate is registered to GSM network and ready to receive dialing.
Ringing tone
The called subscriber's telephone is ringing.
The GSM network transmits this tone.
Busy tone
The busy tone is transmitted in any of the following cases:
The SIM card has not been installed.
EasyGate is logged-out.
EasyGate is logged-in to a foreign network but roaming is disabled.
The called number has too many digits (more than 30).
The called number is barred.
The called subscriber line is busy.
The called subscriber has hung up (disconnection).
Dialing end signaling
Dialing reception has been terminated. Connection is being established.
PIN tone
Enter the PIN code.
This tone is transmitted upon power up if the PIN has to be entered manually.
PUK tone
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