Bellamy, John, l94l*. Digital telephony / John Bellamy.*3rd ed. p.cm,- (Wiley ... cluded 23 Bocs (organized into 7 RBocs), former independenr relephone companies ... The first telephone switching equipment utilized operators at manual ... solution. (a) Because point B is a -l3dB TLp, the proper test tone level is -13 dBm.
Solution Manual Digital Telephony 3rd Ed John Bellamy 23
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