2. section (Continued) 6 Call Layer 3 Processing
Update Overhead Information Substate
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2.6.3.2 Update Overhead Information SubstateIn this substate, the mobile station monitors the Paging Channel until it has received the current configuration messages. The mobile station compares sequence numbers to determine whether all of the configuration messages are up-to-date. To make sure it has the latest access parameters, the mobile station receives at least one message containing the ACC_MSG_SEQ field (except in case of a page response, since the initiating General Page Message contains ACC_MSG_SEQ), and waits, if necessary, for an Access Parameters Message. Upon entering the Update Overhead Information Substate, the mobile station shall set the System Access State timer to a value of T41m seconds. The mobile station shall set PAGED to NO. If the System Access State timer expires while in this substate, the mobile station shall enter the System Determination Substate of the Mobile Station Initialization State with a system lost indication (see 2.6.1.1). While in the Update Overhead Information Substate, the mobile station shall monitor the Paging Channel. If the mobile station declares a loss of the Paging Channel (see 2.6.2.1.1.4), the mobile station shall perform the following: • If PACAs is equal to enabled, the mobile station shall set PACAs to disabled and PACA_CANCEL to ‘1’, shall disable the PACA state timer, and should indicate to the user that the PACA call has been canceled. • The mobile station shall declare an access attempt failure and update its registration variables as specified in 2.6.5.5.3.2. • The mobile station shall enter the Mobile Station Idle State. If PACAs is equal to enabled, the mobile station shall set PACA_CANCEL to ‘1’ when the user directs the mobile station to cancel a PACA call. If the mobile station receives any of the following messages, it shall process the message as follows:
If the mobile station receives a message which is not included in the above list, the mobile station shall ignore the message. When the stored configuration parameters are current (see 2.6.2.2) and CURR_ACC_MSG_SEQ and ACC_MSG_SEQs are equal and are not NULL, the mobile station shall disable the System Access State timer and shall do one of the following: • If PAGED is equal to YES, the mobile station shall determine whether the message resulting in the page match was received on the current Paging Channel. If the message was received on the current Paging Channel, the mobile station shall enter the Page Response Substate; otherwise, the mobile station shall enter the Mobile Station Idle State. • If this substate was entered with a page response indication and the mobile station has not performed an access entry handoff, the mobile station shall determine whether the message resulting in the page match was received on the current Paging Channel. If the message was received on the current Paging Channel, the mobile station shall enter the Page Response Substate; otherwise, the mobile station shall enter the Mobile Station Idle State. • If this substate was entered with a page response indication and the mobile station has performed an access entry handoff, the mobile station shall enter the Page Response Substate. • If this substate was entered with a page response retransmission indication, the mobile station shall enter the Page Response Substate. • If this substate was entered with an origination indication, the mobile station shall enter the Mobile Station Origination Attempt Substate with an origination indication. • If this substate was entered with a PACA response indication, the mobile station shall enter the Mobile Station Origination Attempt Substate with a PACA response indication. • If this substate was entered with a Resource Control initiated new connection indication, the mobile station shall enter the Mobile Station Origination Attempt Substate with a Resource Control initiated new connection indication. • If this substate was entered with a Resource Control initiated reconnect indication, the mobile station shall enter the Mobile Station Origination Attempt Substate with a Resource Control initiated reconnect indication. • If this substate was entered with an order/message response indication and the mobile station has not performed an access entry handoff, the mobile station shall determine whether the message resulting in the response was received on the current Paging Channel. If the message was received on the current Paging Channel, the mobile station shall enter the Mobile Station Order/Message Response Substate; otherwise, the mobile station shall discard the response and enter the Mobile Station Idle State. • If this substate was entered with an order/message response indication and the mobile station has performed an access entry handoff, the mobile station shall enter the Mobile Station Order/Message Response Substate. • If this substate was entered with a registration indication, the mobile station shall enter the Registration Access Substate. • If this substate was entered with a message transmission indication, the mobile station shall enter the Mobile Station Message Transmission Substate with a message transmission indication. • If this substate was entered with a peer-to-peer resource control message initiation indication, the mobile station shall enter the Mobile Station Message Transmission Substate with a peer-to-peer resource control message initiation indication. • If this substate was entered with a hook status indication, the mobile station shall enter the Mobile Station Message Transmission Substate with a hook status indication. • If this substate was entered with a PACA cancel indication, the mobile station shall enter the PACA Cancel Substate.
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