000 01128 a2200253 4500
003 Nust
005 20170207152523.0
010 _a 88082227
020 _a0818608293
035 _a(OCoLC)19027192
040 _cNust
082 _a004.6
245 0 0 _aTutorial, digital private branch exchanges (PBXs) /
_c[edited by] Edwin R. Coover.
260 _aWashington, D.C. :
_bIEEE Computer Society Press ;
_aLos Angeles, CA :
_b[Order from] IEEE Computer Society,
_cc1989.
300 _aix, 384 p. :
_bill., ports. ;
_c28 cm.
505 _aWhat PBXs Do and How They do It (Page-5), PBXs as Office Service Centers (Page-103), A Modern PBX in Detail NEC’s NEAX2400 IMS as Example (Page-153), PBXs as LANs (Page-213), Distrubuted Architectures (Page-265), Positioning for ISDN (Page-301),
538 _aAlmirah No.3 Shelf No.4
650 0 _aDigital electronics.
650 0 _aPrivate branch exchange telephone equipment industry.
650 0 _aTelephone switching systems, Electronic.
650 0 _aTelephone
_xPrivate branch exchanges.
700 1 _aCoover, Edwin R.,
_d1942-
740 0 _aDigital private branch exchanges (PBXs)
942 _2ddc
_cBK
999 _c176338
_d176338