PTT技术探讨和市场前景研究

一键通就是“即按即说”(PushToTalk)的手机,融合了手机与对讲机的功能,它使用手机的无线通信网络,覆盖范围是移动网络所能达到的地方。文章对目前国内市场上即将出现的PTT业务所包含的技术进行综合描述,并对典型的PTT实例系统做了详述,最后对PTT市场前景做了详尽分析。

Push to Talk is one kind of handset that includes the interphone funct ion. It can be considered as one kind of add-value IP service attached in wirele ss network. Compared with the traditional interphone, PTT can cover more wide ar ea within the operator network. This article describes synthetically the PTT tec hnologies, and gives out an example PTT system. Finally, the foreground of the P TT service is analyzed from the market view.