Siemens A30853 - Manual (Page 29)

Convenient and secure telephone communication
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kap01.fm5 27.11.98 Profiset 30isdn engl.: A30853-X300-B107-1-7619
Overview: DTMF / keypad signalling
The following table illustrates which signalling method is
possible in which mode of your telephone:
Modes of the telephone Signalling method Keypad signalling
activated
S * S
Idle mode Normal dialling Keypad
Dialling mode Normal dialling Keypad
Suffix dialling mode
(party is called)
DTMF Keypad
Incoming call Keypad
Connected mode DTMF Keypad
Dialling mode (2. call) Normal dialling Keypad
Suffix dialling mode (2. call) DTMF Keypad
Call waiting mode DTMF Keypad
Called party hooked on DTMF Keypad