friistf
Newbie
Hi,
I amusing the command AT+CRSL trying to adjust the ringer volume of the SIM900 - from 0 to 4. But it has no effect - the ringer volume stays uniformly high. Can anyone help?
Best regards
torben
I amusing the command AT+CRSL trying to adjust the ringer volume of the SIM900 - from 0 to 4. But it has no effect - the ringer volume stays uniformly high. Can anyone help?
Best regards
torben