00375nam a2200085Ia 4500100002000000245002800020260000900048520021300057583001900270  aKAMAE, Takahiko  aCommunication networks.  c1995  aDescribes the state of the art in ISDN - a fully digitized communication network that is expected gradually to take over the telephone network.  Looks at the future trends relevant to broadband ISDN (B-ISDN).  c3/7/00kM2LMGR