000 00279nam a2200121Ia 4500
942 _cENGBV
520 _aIssue No.1-12
654 _aVoice
654 _aData
654 _aTelecom
245 _aTotal Telecommunication Magazine
260 _aNational
_bA Terrapinn Publication
_c2008
999 _c40270
_d40270
650 _aTelecommunication