用这些服务打电话音质非常棒，听上去有点金属声但比普通电话清楚。
The calls on these services sound pretty good, a little tinny but clearer than my regular cell phone connection.
它包含的音频对话框具有以下特点：语音合成、数字音频、声音识别和电话音质拨号输入和话音输入录制。
It includes audio dialogs that feature synthesized speech, digitized audio, recognition of spoken and telephone tone dialing input, and recording of spoken input.
当电话离基站较远时，电话音质就变模糊了，虽然VTech声称在900英尺的连接范围内能做到音质清晰。
The line became fuzzy when I moved too far away from a phone's base station, though VTech says a connection can stay clear for up to about 900 feet.
朋友和家人还以为我是通过手机拨打电话的呢，尽管他们中有人告诉我通话音质不太好。
My calls were received by friends and family just as if I was calling on my cellphone, though a couple of people told me that the connection didn't sound quite as good.
IP电话系统的另一个关键指标就是能够提供较好的话音质量，这要求有一套行之有效的质量保证措施。
The other key guideline of the IP telephone system is good voice quality. It requires a series of effective quality assure measure.
IP电话系统的另一个关键指标就是能够提供较好的话音质量，这要求有一套行之有效的质量保证措施。
The other key guideline of the IP telephone system is good voice quality. It requires a series of effective quality assure measure.
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