Unlocking Growth The Power of Outsourcing for CPA Firms
Trafic
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5. B channel and D channel The one of the kinds of a logic line constituting the connection specifications of the telecommunication line in an ISDN standard together. B channel is used as data transmission channel for communication, and D channel is used for it to offer the signal which I communicate and control and an addition function of B channel. In the ISDN standard, one physics line consists of plural B channel and one D channel.
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