Direct Payment- i Tunes

[Watheq_Belbeisi]

What is iTunes DCB (Direct Carrier Billing) servic... 

How can I subscribe to iTunes DCB (Direct Carrier ... 

How much does it cost to subscribe to iTunes DCB (... 

Can I use the iTunes DCB service for the payments ... 

How can I unsubscribe from iTunes DCB (Direct Carr... 

If I use the iTunes DCB (Direct Carrier Billing) s...

How much will I be charged if I use my mobile numb...