ITELEPHONE_GetCalls(pMe->pITel,&pMe->co,sizeof((pMe->co))) am using this api to get Call Descriptor and puting it in ICALLMGR_GetCall(pMe->pICalMg,pMe->cd,( ICall **)&pMe->pICall to get ICall pointer in Brew. but am geting pMe->pICall as null. i had set all privileges,dependncies and asecc control list. can anybody help me regarding this?