User guide
Table Of Contents
- Welcome
- Table of Contents
- Description
- Free Seating (optional)
- Incoming Calls
- Outgoing Calls
- During Calls
- When You Receive a Busy Tone
- Call Forwarding
- Internal Messages
- Voice Mail
- Information
- Abbreviated Numbers
- Call Metering
- Group Facilities
- Other Useful Facilities
- Account code (optional)
- Immediate speech connection
- General cancellation
- Night service
- Hot line
- Alarm extension
- Emergency state
- Data communication
- Additional directory number
- Multiple represented directory number
- Malicious call tracing
- Headset
- Direct Inward System Access (DISA) (optional)
- Name and number log (optional)
- Paging (optional)
- Authority
- Programming and Adjustments
- Audible Signals
- Visible Signals
- Display Information
- Option Unit/Vocabulary
- Installation
- Index
87Dialog 3213
Audible Signals
Audible Signals
The following different tones and signals are sent from the
exchange to your telephone.
Tone characteristics
The tones shown in this section are the most used tones
worldwide. Many markets use a differing tone for one or more
situations..
Dial tone
Special dial tone
Ringing tone or Queue tone every 4th second
Busy tone
Congestion tone
Number unobtainable tone
Call waiting tone
Intrusion tone
Conference tone every 15th second (to all parties)
Verification tone
Warning tone, expensive route