| 錯誤具體提示信息： | |
| 這篇文檔需要 注冊會員 才能訪問，你目前是：游客或沒權(quán)限會員 ！ | |
| 文檔標(biāo)題： | Voice + Data (V+D) |
| 發(fā)布時間： | 2012-09-05 21:12:39 |
| 文檔簡介： | To meet the needs of traditional PMR user organisations, a wide range of V+D services and facilities have been provided in the standard, of which the most important are considered to be: Voice Services Group Call (commonly called all infor |
