Ericsson 4422 Benutzerhandbuch

15

Description

Tones & Signals

Tones are audible in the handset.

Ringing signals are emitted from the phone.

Note: The tones and ringing signals in this guide refer to the 

Dial tone 

(System ready to accept digits.)

Special dial tone 

(System ready to accept digits.

The special dial tone indicates an 

active diversion, an active absence 

information or waiting messages.)

Ringing tone 

(Ringing signal to called party)

- repeated after 4 s

Busy tone 

(Called party is busy)

Number unobtainable tone 

(Called number not accessible or vacant)

Call Waiting tone 

Congestion 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)

Internal ringing signal 

- repeated after 4 s

External ringing signal 

- repeated after 4 s

Automatic Callback signal