W52P Sporadic behavior with auto answer

[Yealink Support]

Do you use multicast paging funtion or paging from base?
W52P only support paing from base but not multicast paging.
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Why does paging fail?
1. Check the current mode of the base station. If the base station is not in the paging
mode, press the paging key on the base station to enter into the paging mode.
2. Ensure that there is at least one handset subscribed to the base station.
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What is the firmware do you use now? Do you use a custom firmware?