百度搜索，消息回执：
[www.baidu.com/s?wd=tigase…](www.baidu.com/s?wd=tigase 回执&rsv_spt=1&rsv_iqid=0xa889468e00005f16&issp=1&f=8&rsv_bp=0&rsv_idx=2&ie=utf-8&tn=97731712_hao_pg&rsv_enter=0&rsv_n=2&rsv_sug7=000&inputT=8695&rsv_sug4=8695)
百度搜索，XEP-0184：
百度搜索，smack XEP-0198：
[www.baidu.com/s?ie=utf-8&…](www.baidu.com/s?ie=utf-8&… XEP-0198&rsv_spt=1&oq=X%26gt%3BP-0198&rsv_pq=b1265d790001d313&rsv_t=fe5eGa9K1iZZyd77Ns5sVVTJlTBJFDQB4fLiny%2FBJKH%2BLzqq6aLodc7LLZf1NevK%2FBsm&rsv_enter=0&rsv_sug2=0&rsv_sug7=000&inputT=3434&rsv_sug4=4570)
回执相关实现链接：
