000 00355nam a22001337a 4500
003 BD-DhDIU
005 20160720153709.0
008 160720b xxu||||| |||| 00| 0 eng d
040 _cBD-DhDIU
082 _bP07469
245 _aA practical implementation of voice over IP telephony using asterisk SIP PBX
260 _aDhaka
_bETE, DIU
942 _2ddc
_cPR
999 _c11709
_d11709