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4.8 R button (FLASH):
The
R
button (also called FLASH) is used to
briefly interrupt the telephone connection; this
brief interruption is used by some home or
office switchboards for call forwarding; public
switchboards use this button for telecom func-
tions, such call waiting.
4.9 Consultation:
Press the key microphone-off, to disable the mi-
crophone, in order to consult with housemates
while your calling partner on the phone cannot
listen in.
!
As soon as you release this key, the micro-
phone is enabled again.
4.10 Call timer:
The call duration is kept on the display during
the call.
Содержание FX-3850
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