I am using an EG91 to connect to two MQTT brokers which send & receive around 1 message a second and am also attempting to make a voice call using the
The device is nominally “idle” and when the voice call is triggered both the incoming and outgoing MQTT connections pause for various amounts of seconds (between 5 and 30 at least). this then causes my code to detect as a connection drop and begins to reboot the modem. this causes the call to drop.
The “pause” sometimes happens during the ringing (both incoming & outgoing), sometimes happens during the call itself, and sometimes happens due to the
Both my quectel technical reps have gone silent over the last two weeks.