In order to reduce the cost of the reconstruction, the IP- phone network must use the service provided by the locally- monopolized business with fixed networks in.
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- 考虑到重复建设问题,IP业务离不开处于垄断地位的本地市话运营商提供的接入服务,现行的基于资费的网间结算制度存在弊端,制约了IP电话业务的发展。