00390    a2200109   4500082001000000100001700010245006500027260008100092300004300173563000700216856005700223  aBIT-4  aAhmad Hassan  aSIP based soft phone (PC-Voice Gateway Module)cAhmad Hassan  aIslamabad:bNUST School of Electrical Engineering & Computer Science,c2006.  avii, 63 p. :bill. ;c27 cm. +eCD-ROM  aHB  uhttp://10.250.8.41:8080/xmlui/handle/123456789/13241