BusinessPhone – Dialog 4224 Operator / Dialog 3214
Description

## Tones

Tones are audible in the handset.

Dial tone (System ready to accept digits) |  |
Special dial tone (System ready to accept digits, active diversion on telephone) |  |
Ringing tone (Ringing signal to called party) |  |  |  | - repeated after 4 s |
Special ringing tone (Ringing signal to Line 2) |  |  |  | - repeated after 4 s |
Busy tone (Called party is busy) |  |
Number unobtainable tone (Called number not accessible or vacant) |  |
Blocking tone (Call cannot be executed due to congestion or called party blocked) |  |
Verification tone (Verification that ordered function is accessed) |  |
Intrusion tone (Sent to all parties during Intrusion) |  |
Conference tone (Sent to all participants in a Conference) |  |  |  | - repeated after 15 s |

### Signals

Ringing signals are emitted from the phone.

Internal ringing signal |  |  |  | - repeated after 4 s |
External ringing signal |  |  |  | - repeated after 4 s |
Automatic Callback signal |  |

Note:

The tones and ringing signals in this guide refer to the standard system but may vary between countries.

© Ericsson Enterprise 2003