Tones - Aastra DT690 User Manual
Cordless phone for mx-one
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Also See for DT690:
- Quick reference manual (168 pages) ,
- User manual (162 pages) ,
- User manual (76 pages)
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DT690
3.4
Tones
The following different tones are sent from the exchange to your phone.
Dial tone
Special dial tone
Ringing tone or
queue tone
Busy tone
Congestion tone
Number
unobtainable
tone
Call waiting tone
Intrusion tone
Conference tone
Verification tone
Warning tone,
expensive route
28
every 15 seconds (to all parties)
1424-EN/LZT 103 088 Uen A2 2008-11-21
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