How To Switch Your Telephone To Multifrequency Dialling (Dtmf) - Seltatel NETfon serie Bedienungsanleitung

- press the
the LOUDSPEAKER key turns on
- at the same time, also the MICROPHONE key of the hands
free is active. It can be disabled by pressing the
MICROPHONE key.
To disable the service:
- press the LOUDSPEAKER key, the LED associated turns
off.
If the "First Party Release" is enabled, when the caller hangs up, the
telephone goes in stand-by.
9.7. How to switch your telephone to multifrequency dialling
(DTMF)
If you want to use special services that require the multifrequency
dialling (i.e. use on public exchange or use of Voice Mail), press the
"pound" [#] key.
NETfon - Operating instruction
LOUDSPEAKER key; the LED associated to
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