00276nam a2200109Ia 4500100002000000250001700020942000700037245005500044260003700099082001100136999001900147  aNir Simionovich  a2009 1st Ed.  cBK  aAsterisk Gateway Interface 1.4 and 1.6 Programming  aShroff Pub. & Distr. Ltd. Mumbai  a5bNIR  c423873d423873