SIM7600E codec microphone not working

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SanthanaKumarS

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We are using SIM7600E in the pico-IMX8MM board, connecting a call through the AT command & we enabling the PCM data through the AT command "AT+CPCMREG=1" and it only playing the PCM_OUT was working but not in the PCM_IN. Can you please help us to resolve the issue?

Regards,
SanthanaKumarS
 

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