Video call performance ? fixes no audio problem and video call set up problem when camera application is active 視頻通話性能-修正了沒有音頻的問題以及當照相程序處于激活狀態時視頻通話導致出現的問題。
" since cc3 adopts an ip - based tetra system , it provides an effective and efficient call set up with more reliable routing capabilities , " the spokesman said . " it also enables good voice quality by prioritising voice packets and allows various types of data to be carried in the same ip manner . security features include encryption and authentication of users to prevent eavesdropping by unauthorised elements , " he added 他續說:此通訊系統亦會善用話音封包以確保優良的話音質素,以及容許以同樣的互聯網規約方式處理多種資料,而在保安方面,則包括加密技術及核實使用者身分以防止竊聽及未經授權接達系統等功能。
Through discussing the following problems such as call setting up , signal converting , media logical channel setting up and media ability exchange , relevant methods about address exchange and the inconsistency of signal interpretation were put forward to realize the sgw in softswitch 對軟交換信令網關中的呼叫建立、信令轉換、媒體邏輯信道建立和媒體會話能力交換等一些基本問題進行探討,并就地址轉換、信令轉換的一致性等問題提出相應的解決方法,為軟交換中信令網關的設計和實現提供了一種思路。