000			00546nam a2200169Ia 4500
008			190316s2002 gb 000 eng d
020			_a130409596
040			_aECUCL
041			_aeng
082	0	4	_a621.38212 D741
100		1	_aBill Douskalis.
245	0	0	_aPutting VoIP to work : _bSoftswitch network design and testing / _cBill Douskalis.
260			_a N.J : _bPrentice Hall, _c2002.
300			_axvii, 327 p.
504			_aIncludes bibliographical references and index.
650	0	4	_aInternet telephony _xComputer networks _xSwitching theory.
999			_c1724 _d1724