End Of Call - Auerswald Analog/ISDN Converter Installations- Und Bedienungshandbuch

Detection time (1 - 30 seconds): Enter the max-
imum time to wait for the busy tone from the cen-
tral office. If the time elapsed and neither a busy
tone nor a line reversal has been detected, the An-
alog/ISDN Converter would establish the connec-
tion.
If the Analog/ISDN Converter detects a ringback
tone and a voice before the time has elapsed the
connection will also be established.

End of Call

Busy tone detection: After the Analog/ISDN
Converter has established a connection, a busy
tone detection can be performed to monitor the on-
hook of the remote call partner.
If you activate this setting (recommended), the
busy tone of the central office will be detected by
the Analog/ISDN Converter. This is necessary to
enable the automatic disconnect feature of ISDN
telephones.
Deactivate this settings if interference on the
external line is detected as busy tones by the Ana-
log/ISDN Converter. This will disrupt the call. The
call has to be disconnected by the subscriber at
the side of the Analog/ISDN Converter in this
case.
Minimum length of busy tone (2 - 20 seconds):
Enter the minimum detection time for the busy
tone sequence monitored by the Analog/ISDN
Converter. This way it will be prevented that voice
is detected as busy tones.
Loop current detection
is supporting the loop current detection for detect-
ing the line seizure, activate this function. If no
loop current is detected, the line is considered to
be busy.
DTMF digit "D": If the network provider is sending
the DTMF digit "D" at the end of the call, activate
this function. A DTMF digit "D" will be detected as
the signal for the end of the call then.
1. This function will be available with hardware revision 5 (Rev. 5).
1
: If the network provider
Configuration, PC Program
1
Line Reversal : If the network provider is sup-
porting the line reversal at the end of the call, acti-
vate this function. The line reversal will be used as
a signal for the end of the call then.
If you deactivate "Wait for dial tone"
and all kinds of "Busy tone detec-
tion", the connection will be established
right after dialling. This may be necessary for auto-
matic call answering devices, but prevents the
Analog/ISDN Converter to detect the busy tone at
the end of a connection. In this case the call
answering device must put the call on hook (e.g.
by an acoustic busy tone detection integrated into
this device).
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