I'm getting a new cell phone soon! It's this Sony-Ericsson & NTT docomo phone. I'm changing the carrier to docomo from SoftBank because I talk to my grandma a lot, who uses docomo. If both of two people who are relatives use docomo, the call is absolutely free. Moreover, docomo provides a service that warns you about your next phone bill price according to the threshold amount you set. Very customer-friendly. I'll give my AQUOS cell phone (SoftBank 912SH by sharp) to my dad.