EC25 save incomming call to file

IoT Modules LTE Standard Module
1

How can I play a sound file when calling and save incoming voice call to the file like answering machine on QuecOpen

2

Dear Vahid,
Thanks for your inquiry in Quectel forum.
For your issue, please check the following document. Thanks!
Quectel_WCDMA&LTE_Audio_Design_Note_V1.2_20170723.pdf (1.5 MB)
If you want to play a file when calling, please check the following command in the above document. Thanks!
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3

Thanks Kyson.
Is there any way to read stream of audio and send stream of audio with C API?

4

If you want to read the audio, you also can check the file that i have sent to you. And about the C API, you need to develop it by yourself. Thanks!

5

Hello, i need these also, thanks