DTMF not working for EC200U-CN

Technical Subjects Upgrade/Debug
1

Hi,

I have a EC200U-CN module, which as EC200UCNAAR02A09M08 version firmware.

I am getting error when I try to enable DTMF

AT+QTONEDET=1
+CME ERROR: 58

Request to please provide latest firmware & tools to updated, if it can fix the issue.

Regards

Kumar

2

Dear Customer,

I have sent you the latest firmware with the flashing tool in your email. Please check there.

Regards,
Fazrul Redzuan