Thanks Mohsin
I have recently joined Ericsson last month we may now share more on the technical issues.I like this forum very much.Actually this que regarding selection of 32 channel why? was asked by alkatel to one of my friend he tried to convince them but could not.why 32 not 1000.I have given him logic this is optimum time slots for small or large exchanges standard and ofcourse ur logic also but i he was not sure what they were intrested to here from him.