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The fault of the ISDN link leads MCU end the conference which makes all the conference sites lost connection

Publication Date:  2012-09-19 Views:  8 Downloads:  0
Issue Description
When video system has test and conference in the inter company conference, LongGang MCU ends the conference which makes all the conference sites lost connection. It affects the system seriously.
Alarm Information
System fault, the clock is not synchronized.
Handling Process
Enhance the link’s synchronized clock (using BTS clock to give back to the ISDN system); Replace the LAP board with new version.
Root Cause
The switch cleared all the calls of the PRI interface when this PRI interface lost in a short time (PCM intermittent disconnection). The switch send STATUS_ENQUIRY message to users aperiodically leads PRI interface can’t be used.
Suggestions
Null

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