Obihai OBi110, Administration Manual

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Copyright 2010-2012 Obihai Technology, Inc. 139
Line Port Parameter Guide: Continued . . .
Parameter Description Default Setting
PSTN Disconnect Detection
DetectCPC Enable CPC signal detection. If enabled, OBi will consider the PSTN call
ended once it detects a CPC signal during a connected call on the PSTN
line. It then proceeds to tear down the call and takes the LINE port
hardware to the On-Hook state Yes
CPCTimeThreshold Minimum duration in milliseconds to declare CPC signal 450
DetectPolarityReversal Enable polarity reversal detection Yes
DetectFarEndLongSilence Eanble the detection of long period of voice inactivity as a trigger to end
the current call Yes
SilenceDetectSensitivity PSTN line silence detection servers the purpose of determining if the
PSTN peer has ended the call when silence is detected for a prolonged
period (while CPC, Disconnect Tone, and Polarity Reversal signals are not
available). Yes