Hi there,

We're using a SIMCom SIM7100 modem which has the ability to exchange
call audio data over a USB serial endpoint⁰.  To enable this, the modem
needs an AT command after the call has connected, AT+CPCMREG=1, and a
command after call has disconnected, AT+CPCMREG=0.

Not knowing the internals of ModemManager too well, I'm wondering if
anyone could advise on an appropriate way to add these AT commands for
our particular modem?

Thanks,

Bob


⁰
http://simcomm2m.com/UploadFile/TechnicalFile/SIM7100_SIM7500_SIM7600%20Series_USB%20AUDIO_Application%20Note_V1.03.pdf

-- 
Bob Ham <r...@settrans.net>

for (;;) { ++pancakes; }

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