Most telephone calls are traceable.

大多数电话都可查出是从哪里打来的。

《牛津词典》

Telephone calls came flooding in from all over the country.

全国各地的电话像潮水般打来。

《牛津词典》

We will keep in touch with each other by sending emails, making telephone calls or writing letters.

我们会通过发电子邮件、打电话或写信来保持联系。

youdao

Until nineteen seventy-three, most telephone calls were made either at home, at a business or in a vehicle.

VOA: special.2010.11.26

That means they will not look at their email, they will not take telephone calls.

那意味着，他们不会看邮件，不会打电话。

麻省理工公开课 - 固态化学导论课程节选

The Polaris Project operates a telephone hotline that receives calls from around the country -- from states such as Texas,California, New York and Florida.

VOA: special.2010.06.14

When users think about the security risks of telephone calls they tend to think of eavesdropping.

FORBES: Net Phoning Is Great, Except When It's Not

Because VoIP connects telephone calls via the Internet, it shares the Internet's weaknesses, Dempster argued.

FORBES: Magazine Article

The Spanish secret service has monitored telephone calls by politicians, and even by the king.

ECONOMIST: How other countries do it