SIP(Session Initiation Protocol)是一个应用层的信令控制协议。用于创建、修改和释放一个或多个参与者的会话。这些会话可以好似Internet多媒体会议、IP电话或
2019-08-06 06:29
General Packet Radio Services (GPRS), is a new technology for GSM networks that will allow GPRS-compatible handsets to transfer data at much higher rates than the current 9.6 or 14.4 kb/s available to GSM handsets.
2019-07-01 16:40
This Application Note is for information only. Keysight no longer sells or supports these products.
2018-12-13 17:07
题库来源：安全生产模拟考试一点通公众号小程序2021年低压电工考试内容为正在备考低压电工操作证的学员准备的理论考试专题，每个月更新的低压电工试题及解析祝您顺利通过低压电工考试。1、【单选题】主令电器
2021-09-08 06:12
第二次光信令，路由和管理测试事件
2019-09-09 17:26
电工复审考试学员顺利通过考试。1、【单选题】主令电器很多,其中有( )。（B）A、接触器B、行程开关C、热继电器2、【单选题】1千伏以上的电容器组采用( )接成三角形作为放电装置。（C）A、电炽灯B、电流互感器C、电压互感器3、【单选题】( )可用于操作高...
2021-09-02 07:43
The Signaling Advisor family consists of a series of solutions targeted at key signaling applications (SS7, GSM/GPRS and cellular/PCS).
2019-06-27 07:38
This is a specially designed course to provide in-depth operational concepts of GSM operations.
2019-08-22 07:36
The Signaling Advisor is a software application designed to run on a dedicated mainframe. The resulting instrument simplifies assessment of signaling performance and trends.
2019-06-28 14:13
B(跳转指令)及BL(带返回的跳转指令)B指令***令均可以跳转到指令中的目标地址，这两个指令和目标地址处的指令都时ARM指令集。相同之处二者也可以根据CPSR中条件标志位的值和指令中的执行条件来
2021-12-22 06:08
