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DURING CALLS
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BusinessPhone 250 / BusinessPhone 50
Portable DT310 / DT360 / DT368
MUTE RINGER OR
WARNING If the portable rings or a warning sounds at an inconvenient
moment, e.g. when the battery runs low you will be warned
by a battery low sound (4 short beeps).
Press shortly to mute the ringing or warning for
the moment
The Ringer Off icon turns on to indicate that ringing is
suppressed.
Note for DT368: If you mute a warning sound, do not press
longer than two seconds, otherwise you will turn off the phone.
When a warning occurs during a call and you want to mute
the microphone, the first press always mutes the
warning sound. The second press mutes the microphone.
DIAL MODE When calling interactive tele services, you must press certain
keys (post dial) to give your response. If your portable uses
tone dialling (DTMF) to make the call, just press the keys
requested by the tele service. If your portable uses pulse-
dialling, you must manually change to tones, after the call is
established:
Note: After you end the call, dialling is always reset to the
default method.
Change to tones
on DT310
Press to switch to tones
Press any key to respond
Some services do not work on standard DTMF tones. They
require ring tones.
(continued)