A system and method switches between an active call and a call on hold
when handing off a mobile station (204) from a Wireless Local Area
Network (WLAN) (202). A Handover Starting message is received from a
mobile station. The Handover Starting message includes at least one first
identifier. A Notification message is also received. The Notification
message includes a second identifier. The at least one first identifier
is compared to the second identifier and a handover of the mobile station
(204) proceeds when a match is determined. Subsequently, the mobile
station (204) switches from an active call to a call on hold.