TAP3协议在电信省际语音漫游中的应用

The Application for TAP3 in China Telecom Inter-provincial Voice Roaming

中国电信自准备承接C网以来,摆在计费专业人面前的一个问题就是,作为收费依据的伴随着移动业务产生的漫游话单在省间如何交互,需要传递哪些信息,交互的流程,如何做到全国全网联动。这在以前的固网运营中都是不存在的。通过研究国际上比较成熟的G网国际漫游协议TAP3的特点,结构,数据交换流程等,结合中电信实际,制定了中国电信省间漫游的协议（仿TAP3）。协议规定了数据传递的正常流程,异常流程,编码方式,传递的内容,频度等。中电信是国内首家使用该套协议进行全网生产运营的运营商。

Since China telecom prepared to undertake CDMA network,the questions that the Telecom Billing manager must be faced are：As the charging basis, how do the call-detail-record of roaming mobile interactive between provinces？ Which information need to be transmitted, how is interactive process and how to accomplish the entire network interactive？ All these questions were not existed when China Telecom had only fixed telephone business.Through the research on the mature international roaming agreement TAP3（GSM network）, features, structures, data exchange processes, combined with the practice of China Telecom,the roaming agreement between the provinces of China Telecom was made（copy from TAP3）.The agreement has stipulated the normal procedure that the data transmit, unusual procedure, code way, the content transmitted, frequency, etc.China Telecom is the first carrier who have begun to use this set of agreement on the network operation.