Appendix B: Tones
241
FlexSet-IP 280S User Guide
Distinctive Dial Tone
This tone indicates that certain features are in use at your FlexSet, for example,
when you have programmed your FlexSet not to receive calls with either Call
Forward All, or Do Not Disturb, and you lift the handset. DDT is also heard
between patterns of digits when dialing certain features, for example, Account
Code feature. When the following features are applied at your telephone, the
distinctive dial tone is heard when the handset is lifted:
• Call Forward All
• Call Forward All External
• Do Not Disturb
• Messages Waiting
• Secondary COS
Key Click
When defined for the FlexSet, a tone heard when pressing any button on the dial
pad.
Reorder Tone
You hear this tone at your FlexSet if:
• You try to access a denied feature or misdial
• You have stayed off-hook for too long before dialing
• The station you have called does not answer within the predetermined interval
• The station you have called is in Do Not Disturb status
Ringback Tone
Tone is heard when the destination you have dialed is ringing.
Second Ringback Tone
Tone that the calling party hears indicating that the called party is currently busy.
When the called party disconnects, the waiting call will be the next one ringing to
the destination.
Tone
Description