55
has no programmable buttons;
cannot be extended with an additional button module;
has dedicated buttons for:
– access to call history;
– access to SMS messages (reading/viewing);
– HandsFree activation;
and
– volume control;
– call holding (Flash);
– Redial;
– Do Not Disturb (DND);
– Mute function.
Control:
The
cross buttons are used for menu browsing and configuration.
corresponds to
corresponds to
corresponds to
2N OpenStage 40T
®
The telephone:
is equipped with an adjustable six–row display;
has six programmable buttons;
can be extended with an additional button module;
has dedicated buttons for:
– access to call history;
– access to SMS messages (reading/viewing);
– HandsFree activation;
and
– volume control;
– call holding (Flash);
