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Wrong set of the rate adaptation parameter results in one-way audio in some bureau

Publication Date:  2012-09-19 Views:  36 Downloads:  0
Issue Description
Some council house can’t see others but can be seen by others.
Alarm Information
none
Handling Process
Modify the parameter configuration of the MCU rate adaptation
Root Cause
In the debugging, it was found that some council house can’t see others but can be seen by others. After checking, it was found that one ISDN line has outstanding amount, the engineer used two ISDN(with rate of 256K/s) line to join the conference. Because only one rate adaptation port was configured when used MCU as rate adaptation, one-way rate adaptation works,  which results in the problem. Configure two rate adaptation ports, then problem solved.
Suggestions
none

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