通話計時器

For some former X minutes discount or free telecommunications solutions designed to help users control gadget talk time, you can pre-set a call time, in the same time will be automatically allocated start time, the time to be alert.

Instructions for use
1 Set a talk time of your reservation.
2 manually enter or press (+) button to select from contacts they want to dial.
3 Press the call, it will toggle you want to dial, and simultaneously begin timing.
4 time to be alert.

Since the set time is calculated from the start set aside, it will be subject to error and the actual call time, to be self-tuning.