Can't send messages but can receive message. what is going on? Is it the sim or the phone?

[AC Question]

cant send message but can receive message. what the hell is going on ?! is it the sim or the phone ?

i am using gionee p2 right now.

 

[B. Diddy]

Re: cant send message but can receive message. what the hell is going on ?! is it the sim or the pho

Welcome to Android Central! What wireless provider are you using? Have you spoken with them?