local telephone switching system meaning in Chinese
市内电话交换机
Examples
- Local telephone switching system
市内电话交换机 - Not recommend to use soft switching plus media gateway to replace the existing local and long distance switching systems . for the newly added and need to be changed local telephone switching systems , it will up to the cost of media gateway
?不建议使用软交换加媒体网关的方式替换目前的本地和长途交换机,对于新增和需要更换的本地电话交换机要视媒体网关成本情况而定,不对pstn进行大规模根本性改造;