我在这部电话上听不到拨号音。
当她第二次拨号时，才意识到没有拨号音。
It was only as she tried for the second time that she realized that there was no dialling tone.
从第一个空袭警报到警报解除号音其间有15分钟。
There were 15 minutes between the first air raid alert and the sounding of the all-clear signal.
在某些电话网络中不发送拨号音。
听到拨号音后，就可以拨号码了。
是的，它毫无声响，没有拨号音。
请在拨号音响后再拨号码。
媒体中心检测不到拨号音。
我得不到正常的拨号音。
请先拨9，听到拨号音后再拨您所要的号码。
Please press 9 first and when you hear the dialing tone, press the number you want.
向导无法检测拨号音。
不始终发送拨号音。
这小号音调不正。
听到拨号音了吗？
没有拨号音。
现在，您可以拿起听筒，听到拨号音，并开始打电话。
You can now pick up the handset, hear a dial tone and start making calls.
将手柄从话机上向上提起后摘机，听到拨号音后即拨号。
Dial when you hear dialing sound after you pick the phone up.
不清楚，反正它不能正常工作了。我听不到任何拨号音。
I don't know. It can't work normally anyway. I can't hear any dialing tones.
没有拨号音。请确定电话线已正确连接到调制解调器上。
There is no dial tone. Make sure your phone line is properly connected to the modem.
找到一个基于云的网络电话路由器，该设备还提供拨号音。
Find a cloud based VOIP PBX out there that is commercially supported that provides dial tone.
与在一台服务器上执行拨号音恢复相比，此过程比较复杂。
This process is more complex than performing a dial tone recovery on a single server.
无拨号音。请确保调制解调器与计算机和电话线连接正确。
No dial tone. Make sure the modem is correctly connected to the computer and phone line.
秒表，这倒计数，预设时间后，会发出一个信号音都过去了。
The stopwatch, which counts backwards, emits a signal tone after a preset time has elapsed.
在滤波部分，高组滤波和拨号音频滤波等使用了开关电容技术。
The filter section uses switched capacitor techniques for high-and low-group filters and dial-tone rejection.
朵丽丝：真的？我一点都不知道，我来查查看。是的，它毫无声响，没有拨号音。
DORIS: Really? I had no idea. Let me check. Yes, it's dead. There's no dial tone.
朵丽丝：真的？我一点都不知道，我来查查看。是的，它毫无声响，没有拨号音。
DORIS: Really? I had no idea. Let me check. Yes, it's dead. There's no dial tone.
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