mih server sends a unicast request to configure the mobile profile and the wtru sends back a response the mih server may also send a broadcast or multicast request to reach multiple users with a single message in the command service example the mih_capability_discover request response messages may be modified such that the mih server discovers whether the mih client supports dynamic mobile profile configuration the mih server may include a configure_profile_request information element in the mih_capability_discover response message if the mih client has advertised that it supports dynamic mobile profile configuration in the mih_capability_discover request message alternatively new messages may be used in the command service example these messages may be referred to as mih_configure_profile request response messages and may include the configure_profile_request information element in this alternative the mih_configure_profile request is sent from the mih server to the mih client and the mih_configure_profile response is sent from the mih client to the mih server in another example the mobile profile may be changed through the use of an information service in this example an information server may send a unicast unsolicited information service response that includes the new mobile profile configuration to the wtru the information server may also send a broadcast or multicast request to reach multiple users with.