可以根据联系人类型进行选择，比如是SIM卡里的，还是OUTLOOK里的。-Can choose the type of contact, for example, is the SIM card, or OUTLOOK inside.

j2m2波导m29手机sim卡电话本备份工具源码。-Bird m29 sim card mobile phone book backup tool.

nokia基站定位及双卡功能api的实例源代码，出自nokia内部培训资料-nokia dual sim base station location and function of the api source code examples, from the nokia internal training materials