Siemens 70isdn User Manual
Page 74
Convenient and secure telephone communication
62
kap09.fm5
Profiset 70isdn, GB: A30853-X300-B501-3-7619
20.5.99
Reactivate DTMF signalling
Distinction between DTMF and keypad signalling
The following table illustrates the difference in the signals
produced when the keys on the keypad are pressed in
DTMF signalling mode (➔ page 61) and keypad signalling
mode (➔ page 61). The table takes into account the vari-
ous system configurations which support Profiset 70isdn
operation.
Press the illuminated feature key "DTMF signals: off".
DTMF signals: off
Type of signalling with
system configuration:
Keys transmit:
DTMF/keypad number
feature keys:
DTMF signalling with
main station
DTMF signals
Character string in DTMF
Keypad signalling with
main station
Keypad information
element (IE)
Character string as keypad
information elements (IE)
DTMF signalling with
CENTREX
DTMF signals
Character string as keypad
information elements (IE)
Keypad signalling with
CENTREX
Keypad information
element (IE)
Character string as keypad
information elements (IE)
DTMF signalling with
S
0
extension*
DTMF signals plus called
party number (IE)
Character string as DTMF
signals plus called party
number (IE)
Keypad signalling with
S
0
extension*
Called party number (IE) only
Character string as called
party number only
DTMF signalling with
point-to-point configuration
DTMF signals
Character string in DTMF
Keypad-signalling with
point-to-point configuration
Keypad information
element (IE)
Character string as keypad
information elements (IE)
* "S
0
extension" refers to Siemens 8818/A6 systems and the Octopus systems available from
Deutsche Telekom AG.