Jazz To Jazz Send Call Back Sms

Aj Apko btany ja rha hu k jazz sy call back k msg kis trha krty hin?

freinds agr apky pas balance nhe or ap kisi freind ko call krny ka kehna chaty to Ap jazz sy jazz k number per es code ko dial krk free msg send kr skty hin
*105* us k bad wo number jisy call back k kehna chaty hin.
Eexmple : *105*030******#