Our country present telephone network is mixed by digital mode and analogy mode, so our country present signalingsystem is at the stage of CAS and CCS commixture .
我国目前的电话网是数模混合的,所以我国目前的信令系统也处于随路信令和公共信道信令并存的阶段。
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This paper studies the signalingsystem suitable for wireless link of the digital mine mobile communication system based on TRF6900 single chip, which operates in TDMA mode.