long-distance call service
常见例句
- This system has important significance to improve the switching speed of long-distance call and customer service quality.
该系统对提高长途来话接通率，提高用户服务质量有着重要意义。
d.wanfangdata.com.cn - The new service, known as line-powered voice access, shunts phone calls onto the Internet at the local level, reducing the cost of carrying the call and allowing EarthLink to sell local and long-distance phone service at a discount.
FORBES: EarthLink To Bundle Services 返回 long-distance call service