We use full-minute increments to calculate your usage, with partial minutes rounded up to the next full minute on each call.
Yes. You will be given a voice notification when you have one minute of call time remaining. When that minute is up, your call will be terminated. To prevent this from happening, we recommend you periodically visit your account online to keep tabs on the amount of credit you have remaining, and refresh it when it is low.
No. However, if you are ever charged for a call that was not answered or for a call that resulted in a busy signal, e-mail us with information pertaining to the mischarge, and we will credit your account promptly.