How to connect microphone and speaker (or headset) to Quectel module?

IoT Modules LTE Standard Module
1

I Have Quectel EC200T. Which audio codec is recommended to use for this module? and can I use audio without a codec module?

Connecting external microphone and speaker to EC25
2

Hi @kaxa_gvimraze
Must use codec module.

3

Any details on which codec to use here?