首先应当明确本文所称的手机铃声下载,是指网络服务商或其它服务商根据手机用户的指令,将音乐铃声通过有线或无线方式传送到用户手机上的有偿服务。手机制造厂商在手机出厂前设置的音乐铃声和手机用户自编的音乐铃声,不在本文讨论之列。目前,许多网络服务商或电信服务商都为客? First of all, we should make it clear that the term “ringtone download” as used in this document refers to the paid service that an Internet service provider or other service provider sends music ringtones to a user’s mobile phone by wire or wireless according to the instruction of the mobile phone user. The phone ringtones set by handset manufacturers before the phone is shipped and the music ringtones made by handset users are beyond the scope of this article. At present, many Internet service providers or telecommunications service providers are guest?