全新的功能、更低廉的长途通话费用以及更简洁的内部呼叫路由。
Latest function, more cheaper long distance call rate and more simple internal call route.
全新的功能、更低廉的长途通话费用以及更简洁的内部呼叫路由。
New functions, lower trunk call costs, much more simply internal routing.
三是通话费用高，各地价格差别大，且受到地面系统的有力挑战；
Third, high tariff and threatened by the challenge from the terrestrial system;
三是通话费用高，各地价格差别大，且受到地面系统的有力挑战；
Third, high tariff and threatened by the challenge from the terrestrial system;
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