您要查找的是不是：
- secondary call signal 二次呼叫信号
- This information is sent over a serial cable by using call signaling. 此信息是使用呼叫信号在串行电缆上传送的。
- Analog PBXs send voice and call signaling information, such as the touch tones of a dialed telephone number, as an analog sound. 模拟PBX会将语音和呼叫信号信息(例如,拨打电话拨号的拨号音)作为模拟声音传送。
- Annex M contains the additional basic call signalling requirement for the support of private network interconnection for VPN applications. 附件M包括虚拟专用网应用中支持专用网互联的附加基本呼叫信令要求。
- A special version of CCIS is called Signaling System #7. CCIS的一个特殊版本称为7号信令。
- My brother is always at my father's beck and call. 我兄弟总是对我父亲唯命是从。
- Donna call on her friend kita for a chat. 多娜到她的朋友莉塔家闲谈。
- Her age is of secondary interest. 她的年龄不太重要。
- Forgive me so early to call up you please. 请原谅我这么早给你打电话。
- That's all there is to make a speed dial call. 在那里全部要进行快速拨号呼叫。
- All you have to do is call on the house phone. 我只要做的就是拨个室内电话。
- I'm going to call on one of my former classmates. 我要去看望我的一位老同学。
- In secondary school, children get more advanced knowledge. 在中学，孩子获得更深一些的知识。
- You may push this button to call the elevator. 你可以按这个按钮叫电梯。
- A secondary matter; a side issue. 次要的第二位的事; 较次要的问题
- Your best bet would be to call again tomorrow. 你最好明天再打电话来。
- Intelligent Elevator-out Calling Signal 外呼信号智能化
- I feel washed out. Let's call it a day. 我觉得疲乏了。今天就干到这里吧。
- He got hung up with a phone call as he was leaving. 他刚要动身就被一个电话给耽误了。
- He had the temerity to call me a liar. 他竟胆敢说我撒谎。
