On avast website i get a message “unable to contact your device” and when i try to use sms to make the other phone call me then i get a message “OK. The call is being made now” but nothing happen. However it does work when I request last 10 sms.

Phone is not rooted.
Network of the phone where i’m sending the commands from “EE”.
Network of the phone where i’m sending the command to “o2”.