The PBX supports different tones on the receiver in order to signal the various operating states on the PBX.
Signaling scenarios
• External dial tone (long dial tone):
-After dialing the exchange line access number, when a free external line is available – dialing a telephone number is possible
• Internal dial tone (private branch exchange dial tone):
-After picking up the receiver or after pressing the Flash or Query key, when a free line is available – dialing a telephone number is possible
Note: On standard VoIP phones, a dial tone is generated by the phone itself, even when no free line is available.
• Confirmation tone:
-At the completion of programming, when the programming has been successfully executed
• Busy tone:
-After picking up the receiver, when no free line is available or an authorization is missing
-After dialling a phone number, when the desired connection is busy or the network is overloaded or an authorisation is missing
-At end of call
-During programming, when the programming was unsuccessful or an authorization is missing
-During a Call Through call, when the telephone number transferred from the mobile phone is not permitted to use Call Through
• Call tone:
-during the call phase
• Call waiting tone:
-During a call (when call waiting has been enabled ), when another call comes in – it is possible to accept or reject the additional call
• Changing tone:
-During a Call Through call, when the telephone number transferred from the mobile phone is permitted to use Call Through - dialing a telephone number is possible
-During a remote programming call, when the connection for remote programming is available – programming is possible