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Tones and signals – AASTRA 4422 IP Office (SIP) for MX-ONE User Guide User Manual

Page 12

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Description

Dialog 4422 IP Office

12

Tones and signals

The following different tones and signals are sent from the

telephone system to your phone.

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

Ring tone or queue tone

Busy tone

Congestion tone

Number unobtainable tone

Call waiting tone

or verification tone

Intrusion tone

Conference tone

every 15 seconds (to all parties)

Hold tone

Connection in progress tone