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"Polling” will crash terminal.

Publication Date:  2012-09-27 Views:  34 Downloads:  0
Issue Description
Environment: 8620MCU, E1 network, 8020PLUS terminal. Customer responses that the image became static after host conference site starting “polling” function. Terminal cannot do any operation. After rejoining the conference and operating as before, the problem still exists.
Alarm Information
Null
Handling Process
Check conference 1715 in local management, we find the line is unsteady. Although terminal can join the conference, the image is crashed. Check this terminal line and find the E1 head poor contact. Change it.
Root Cause
“Polling” operation cannot crash terminal. Doing the same operation twice and we find system will switch to conference site 1715 as polling. Then the image become static. Delete this conference site and problem disappears. So, locate the problem.
Suggestions
The penetration phenomenon looks at the essence. It is the problem of terminal crash, but caused by the first conference site. 

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