Current Core CS networks began adopting it. Circuit switched connection between the IP Bearer replacement PCM increase, which we are not prepared to measure. And tested to demonstrate the quality of the sound from that IP trunk
to demonstrate the quality audio over IP Trunk objective is to find a test. And indicators that reflect sound quality via a link between the exchange of IP Bearer is to ensure customers receive quality service, good sound quality. And reduce complaints sound quality problems are caused because the device Core CS networks.
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