000 00990cam a2200289 a 4500
001 12916936
003 NUST - PNEC
005 20170116180949.0
008 020905s2002 nyua 001 0 eng
010 _a 2002512119
020 _a0071375686
040 _cLIBRARY
082 _a621.385 SUL
100 1 _aSulkin, Allan.
245 1 0 _aPBX systems for IP telephony
_cAllan Sulkin.
260 _aNew York :
_bMcGraw-Hill,
_c2002.
300 _aviii, 487 p. :
_bill. ;
_c24 cm.
440 0 _aMcGraw-Hill telecom professional
500 _aIncludes index.
650 0 _aInternet telephony.
_xEL
650 0 _aTelephone
_xPrivate branch exchanges.
856 4 2 _3Contributor biographical information
_uhttp://www.loc.gov/catdir/bios/mh041/2002512119.html
856 4 1 _3Table of contents
_uhttp://www.loc.gov/catdir/toc/mh031/2002512119.html
906 _a7
_bcbc
_ccopycat
_d2
_encip
_f20
_gy-gencatlg
942 _2ddc
_cBK
999 _c66350
_d66350