hi khan/… we are using 2 set of frequencies…so when my call is going from 1 sector of 1 site to another sector of 2nd site then they are defining this handoff as a soft if these sites are controlled by same CBSC but if they are handelled by different CBSC then they are defining it as ICSHO4 or ICSHO7…this much i kn say you…awaiting for ur reply