<Dl> <Dt> Intra System Handoff </Dt> <Dd> </Dd> </Dl> <Dt> Intra System Handoff </Dt> <Ul> <Li> If during ongoing call mobile unit moves from one cellular system to adjacent cellular system which is controlled by same MTSO, a handoff procedure which is used to avoid dropping of call is referred as Intra System Handoff . </Li> <Li> An MTSO engages in this handoff system . When a mobile signal becomes weak in a given cell and MTSO finds other cell within its system to which it can transfer the call then it uses Intra system handoff . </Li> <Li> In Intra System Handoff local calls always remain local call only since after handoff also the call is handled by same MTSO . </Li> </Ul> <Li> If during ongoing call mobile unit moves from one cellular system to adjacent cellular system which is controlled by same MTSO, a handoff procedure which is used to avoid dropping of call is referred as Intra System Handoff . </Li>

How does a handoff take place in a mobile communications system