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5
Systematic Telephony
Systematic Telephony
The Comfort Pro communications system, referred to hereafter as “the Comfort Pro“, enables the connection
of standard terminals (standard analogue telephones, ISDN telephones and cordless GAP telephones). SMS-
enabled terminals and SIP terminals can also be used.
With this configuration you can telephone conveniently and use the features of the Comfort Pro via code-
number procedures. This guide describes how you operate your telephone in order to use the desired
functions. In most cases, you can do this by pressing the key combination
*
and
#
,
R
, together with a
specific sequence of digits.
Please note the specific operating characteristics of your telephone:
On standard analogue telephones featuring pulse dialling, it is not possible to enter data with the star key
*
or hash key
#
.
As a result, the functionality of the Comfort Pro features is only available to you on a limited basis. It is thus
better to use telephones equipped with dual-tone multi-frequency (DTMF) dialling. Modern telephones often
allow you to switch between the two dialling modes.
When telephoning via SIP (i. e. telephoning via the Internet Protocol “Session Initiation Protocol“) entry of the
hash key
#
is only permitted at the end of a code-number procedure or of a call number. You can thus only
use a part of the code-number procedures on a SIP terminal . Furthermore, some SIP terminals offer oper-
ation of features at the mere press of a button. Please review the user guide of the manufacturer.
In the case of ISDN telephones , certain features can be operated via menus or function keys. Refer to the
operating instructions of these telephones for details.
On telephones with a display , you can read the caller’s call number if the telephone supports this feature
and the caller has activated it. What other information is displayed depends on the telephone. Charge display
(ISDN telephones only) requires prior configuration by your network operator.