Telephone line tones – programming mode, Dialing end signaling, Pin tone – 2N Analogue UMTS gateway 2N SmartGate UMTS - Manual, 1699 v1.1.0 User Manual
Page 16: Puk tone, Confirmation, Refusal, Saving, Description 2.1

Description
2.1
16
Dialing end signaling
n
Only
n
Dialing reception has been terminated. Connection is being established.
PIN tone
n
n
Enter the PIN code.
n
This tone is transmitted upon power up if the PIN has to be entered manually.
PUK tone
n
n
Enter the PUK code.
n
This tone is transmitted upon repeated wrong PIN entering attempts. SIM
card is blocked.
Telephone Line Tones – Programming Mode
Tones confirming/refusing the values entered are transmitted during telephone line
based programming. Each tone has a different melody.
Confirmation
n
n
Confirms that the service password or parameter number entered is correct
and has been accepted.
Refusal
n
n
Incorrect parameter number;
n
Incorrect parameter value
n
Transmitted when a parameter is cancelled with a
.
Saving
n
n
Parameter value entered is correct and has been saved