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Basic operating instructions
Step by Step
14
Self Labelling Key-Funktion
If an optiPoint self labelling key module is connected to
your telephone, you do not need to label your key mod-
ule's programmable function keys manually
A detailed description of the corresponding options is
provided in the optiPoint 420 Operating Manual.
Using the Telephone Efficiently
•
You probably have certain colleagues or external par-
ties with whom you talk on the phone especially fre-
quently. To dial these numbers faster and more con-
veniently, you can save them on keys
(Saving station numbers for repertory dialing on
keys
Page 28).
•
All too often you reach a busy line when dialing a
number. Amid the confusion of your working day,
it's easy to forget to try the number again later on.
To avoid this, make it a habit to use the "Callback"
Page 26 function.
Safety Precautions for IP Telephony
Different methods can be implemented to protect an IP
environment from external attacks (denial of service at-
tacks, viruses, etc.) and call monitoring.
There are no special procedures for operating this de-
vice. Please contact your service personnel to find out
more about IP telephony security.
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