[Hilo] Why Automatic Call Answer(ATS0=2) not work in MUX?

[Hilo] Why Automatic Call Answering (ATS0=2) not work in MUX with my Hilo?

Answer: To make auto-answering work in MUX mode, you need to send <ATS0=1> in the first data channel that is opened.

Below are 2 examples.

  1. If the instructions are:
  • AT+CMUX=…
  • Establish control channel (DLC 0);
  • Open DLC 1;
  • Open DLC 2;
  • Please send “ATS0=1” in DLC 1;
  1. If the instructions are:
  • AT+CMUX=…
  • Establish control channel (DLC 0);
  • Open DLC 2;
  • Open DLC 1;
  • Please send “ATS0=1” in DLC 2;