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Disconnect

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The Disconnect tab, shown below, contains settings that control how the system detects a disconnect.  Modify these settings to match the specifications of your PBX switch.

 

SYS0027

 

Maximum Dial Tone Detection

Specifies the length of time the voice board must hear dial tone before it notifies the system.

Warning: The voice board drivers may interpret any continuous noise as dial tone; even a continuous background noise or constant static on the line can be interpreted as dial tone.  Consequently, the first two settings below should be set to fairly high values (such as the default setting, 60000).  If this value is too low, callers may be unexpectedly disconnected if there is too much ambient noise on the line.

•While playing (10ms)—while playing messages, greetings or prompts. Default value of 60,000 equals 10 minutes.
•While recording (10ms)—while recording messages or greetings. Default value of 60,000 equals 10 minutes.
•While getting DTMF (10ms)—while waiting for a DTMF response. Default value of 400 equals 4 seconds.

 

Maximum Silence Detection

Specifies the length of time the voice board must hear silence before it notifies the system.

•While recording (first interval) (10ms)—while recording messages or greetings. Default value of 500 equals 5 seconds.
•While recording (second interval) (10ms)—set to same value as first interval. Default value of 500 equals 5 seconds.
•While getting DTMF (first interval) (10ms)—while waiting for the first DTMF digit.
•While getting DTMF (second interval) (10ms)—while waiting for any subsequent DTMF digit.

 

LCD / Hang Up Detection

•Loop current drop interval (10ms)—specifies the amount of time required to detect loop current drop. Default value of 35 equals 350 ms.
•DTMF disconnect interval (10ms)—specifies the maximum amount of time to hold the disconnect tone(s) in the disconnect tone DTMF buffer.  This buffer is checked to see if the disconnect tone(s) have been received.  When the interval expires, the buffer is flushed.
•DTMF disconnect tone(s)—specifies the DTMF tone, or sequence of tones, that the PBX sends when a caller disconnects.  If your PBX does not send DTMF on disconnect, leave this setting blank.