Free with a cingular service agreement .

商cingular免费提供服务协议.

If you care about email and internet access on a phone , and you are using cingular , get a phone that can handle hsdpa .

如果你很想通过手机收发电子邮件或上网，并且你正在使用cingular的网络，那么就购买一款能够支持hsdpa的手机吧。

Hsdpa : an awkward name for a new high-speed cellphone network being deployed in the u.s. by cingular wireless .

hsdpa：指cingularwireless在美国开发的一种新的高速手机网络。