i can't send international sms messages

[WPCentral Question]

my lumia 1520 won't send international sms messages but i can send to middle east countries , i tried with the US and AUS and no luck at all . I live in saudi arabia my network provider is STC. i tried to use my sim on a different mobile and it works fine

 

[Jcmg62]

I would suggest making some local friends