Coloring Ring Back Tone(CRBT) to take the voice feature a data increment service, has made up increment service and so on the short note, call forwarding in the certain degree to the original pronunciation service vicarious flaw.
炫铃作为话音业务的一项数据增值服务,在一定程度上弥补了短信、呼叫转移等增值业务对原有语音业务的替代性缺陷。
参考来源 - 内蒙古联通炫铃业务的营销推广研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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