这类业务是以讲话的声音为媒介的，包括电话、磁卡电话、移动电话、无绳电话，

这类业务是以讲话的声音为媒介的，包括电话、磁卡电话、移动电话、无绳电话，的英文翻译

基本释义

• "Yes, they are based on the medium of human voice. Services such as telephones, calling card telephones, cellular phones, cordless phones are this type."