I need play wav file to other side of call.
make call atd+7xxxxxxxxxx;
and send wav files data to ttyUSB, but nothing listen on other side phone.
And if i want make play via modem as sound device and send command (not in call)
i receive ERROR.
The same file play via EC25 perfectly.
Help me please.
Thanks for your inquiry in Quectel forum.
For your issue, you can try to use the AT+QPSND command.Thanks!
You can refer to the following document to get more information.Thanks!
Quectel_WCDMA<E_Audio_Design_Note_V1.2_20170723.pdf (1.5 MB)
Yes, i known. But i need play not local file.
You mean the following Voice Over USB or UAC function ? Please check the following document. Thanks!
Quectel_EC2x&EG9x_Voice_Over_USB_and_UAC_Application_Note_V1.0.pdf (411.2 KB)
command for turn on UAC got error
Please check the following steps to confirm the module you used already support UAC function with AT+QCFG=“USBCFG”. Thanks!