Asalam o alikum
mey ek sath apni organization k users ko sms caster k zariye sms send karna chahta ho jo k taqriban 500 se zada sms ban jaty hey kia koi bata sakhta k without PTA sms outgoing blocking k bagir mey send kar sakho ya koi aur tarikq kar ya koi es k liye alag sey sim leyna parhti hey. please mujhy es barey mey guide kar den.