国内长途业务 meaning in Chinese

dld
national trunk traffic

There is still a comparatively large room for the market of fixed telephone lines , a main source for driving the increase of business revenue , so china netcom group must continue to implement the strategy of developing telephone customers on the basis of good economic results , and in the meantime exploit international and domestic long distance telephone market , change the continual situation of market share decline , lay emphasis on broadband business and strive to develop digital communication business
第一，坚持有效益的发展不动摇，大力开拓业务市场。固定电话仍有较大的市场空间，是拉动业务收入增长的主要来源，必须继续实施有效益的发展电话客户的策略。积极开拓国际国内长途业务市场，改变市场份额连续下滑的局面。