Siemens SANTIS-ab User Manual page 17

Clear Back Time Delay Switch
Command-No / Meaning
311 clear back time
delay
at a/b1-interface
312 clear back time
delay
at a/b2-interface
If you answer a phone call, you can hook on and the connection is
still available, if you hook off again within
3 minutes (the caller must not hook on). This feature is called
'clear back time delay' and can be suppressed by this command.
Restrictions for NT+2ab/CA restr. and Pairgain:
a/b1 via a/b1 only; a/b2 via a/b2 only.
Parameter value
0 = immediate
1 = 3 minutes
0 = immediate
1 = 3 minutes
Default
1
1
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