Because terminals distribute abroad, ISP can release various charged information service by it, for an example, the recently advertisement of PHS, these bring big increment operation room to ISP.

• 由于终端分布广泛，电信运营商可以方便地通过它发布各种收费信息服务，比如最近的小灵通广告，这些给电信运营商带来了很大的增值业务空间。