elmeg C46e, Description And Installation

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Internal ringing signal (440 Hz)
This signal indicates that the telephone is ringing at the party being called
(external or internal).
//___//___//________//___//___//________//_
Special dial tone (both 440 Hz and 500 Hz)
This signal indicates, for example, that call rerouting is activated for your
telephone.
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External dial tone (425 Hz)
A continuous tone you hear when you have seized the external ISDN connec-
tion.
/__/_______________________________/__/____
Call waiting signal (440 Hz)
Call waiting signal (only for a/b terminals). When you hear this signal during a
call with another party it indicates that an external caller is calling you. The call
waiting signal lasts a maximum of 30 seconds.
Time intervals of the signals
/////_____/////_____/////_____/////_____///
0,5s 1s 1,5s 2s 2,5s 3s 3,5s 4s
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