ppc6700 txt msg problem.

[Ltran]

i had a ppc6700 awhile back but it got broke so i was useing a temp phone, and just got a ppc6700 again, but im still having a problem where when ppl txt me it doesnt show there name or number, then i try to send one out and it gives me a msg saying msg cannot be sent and i know theres a fix but i cant find it, i fixed it on my old one. Please help me if u can i would apreaciate it!