2N EasyGate IP User Manual page 27

3. Phone Line Tones –
Operational Tones
®
2N EasyGate IP sends tones to the phone line that indicate its operational status.
Refer to the list below for behavior at factory default values. The tone frequency is
425 Hz.
Dial tone
continuous tone or as configured
Ringing tone
the called user is alerted
this tone generated by the network
Busy tone
Transmitted in any of the following cases:
the called user is busy
the called user has hung up (call clearing)
2N TELEKOMUNIKACE a.s., www.2n.cz
or as configured
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