EPON设备开通VoIP业务哪些对接参数需要协商？

搜题请搜索小程序“爱下问搜题”

问题问答题简答题

答案

参考答案：

在所有的配置前，应该先协商得到SS上对EPONVOIP终端的配置数据以及EPON设备本身的基本配置：需要协商得到的参数包括：

（1）SS类型（ZXSS10或其他厂商SS），及基本属性；

（2）SS的IP地址及协议端口号（H248协议的端口号一般是2944）或者域名，与EPON的接口注册方式：域名或者IP+PORT；

（3）SS为EPON VOIP终端配置的的IP地址及端口号（H248协议的端口号一般是2944）、域名（如果是域名方式注册）；

（4）SS为EPONVOIP终端配置的窄带用户板的TerminalID和RTP资源等；

（5）EPONVOIP终端设备上层的组网方式及下一跳地址；

（6）上联交换机（或路由器）端口是否划分VLAN：如果有VLAN，是相关端口属性（tag还是untag）以及VLANID；

完形填空

Learning Chinese may seem difficult to foreigners outside China． 36  , Daisy Raffan, an   37  girl in Britain, hopes to bring the language to the young people．Daisy has   38  an online learning website(网站) to teach the language to as   39  people as possible all over the world． 40  China’s fast development in the world, Daisy thinks   41  important for people to learn the language sooner rather than later．Daisy has   42  Putonghua since the age of five．Two years ago, after she decided to pass on what she had learned, this teenager   43  the idea for the website, kids Chinese club．com．She said, “People are afraid to learn Putonghua．One of the main reasons is that they think it’s an   44  language to learn, but I have had fun   45  it．And I hope what have done is easy and fun．”Her   46  offers a series(系列)of lessons, which are videos of Daisy teaching a group of students on topics from greetings and numbers to Chinese culture．
Daisy’s website has   47  the support of several important persons—the teenager   48  she has received a letter praising(赞扬)her work from Gordon Brown, who is the British Prime Minister(首相)．
She said, “I wrote to him and told him what I was doing and got a letter   49 ．He said that what I was doing was a really good 50 ．I thought it was amazing．I was excited that someone so important was supporting what we’re doing．”

查看答案

判断题

对于三相YN，dll结线牵引变压器当两供电臂负荷电流大小相等时，重负荷绕组的电流大约是轻负荷绕组的电流的3倍。

查看答案