Hi,
I have a Problem with Teltonika Modem (RUT955). It is About sending SMS. It doesn´t work properly. most of times, I can not send SMS. it waits Long time then Shows TIMEOUT. after trying to send SMS, the mobile Signal directly disappeared and shows disconnected. the sim-card works properly and I have test it using mobile. what are the reasons of this Problem?
thanks very much in advance
Hammoudi