Dormant State

Last updated: January 16, 2009

This section is only applicable to the lab application.

In the dormant state, a PPP connection is open but the physical connection (traffic channel) is closed between the access terminal (AT) and the test set.

The dormant state is an important advantage of the packet data service offering since it allows the AT's natural state to be dormancy where the AT does not utilize any radio resources and has minimal power consumption. The packet data connection can be reactivated from dormancy to the connected state without having to re-establish PPP link again when an IP packet arrives from the test set or any host on the network destined to the AT (for example, file transfer over FTP, ping the AT from the test set, etc.). This makes the connection faster.

The dormant state is a non-transitory state (see Packet Data Connection Processing States Lifecycle ).

To query the state of the data connection, see Data Connection State Synchronization .

Transition from Connected State to Dormant State

When the Session Application Type is set to the Default Packet Application , the packet data connection will transition from the connected state to the dormant state if

you press the F2 (Force Dormant ) on the Call Control 1 of 3 menu) or sends CALL:FUNCtion:DATA:DORMant to the test set (see AN Initiated Connection Close to Dormant State ), or
the test set receives a Connection Close message from the AT (for example, if the AT's data activity timer expiries, or the packet data connection is terminated in some AT-dependent manner). See AT Initiated Connection Close to Dormant State .

If for some reason the PPP connection can not be maintained, the test set will transition to Session Open State .

Transition from Dormant State to Connected State

In the dormant state, either the test set or the AT can re-activate the packet data connection by sending a Connection Request message when

the test set receives an IP datagram addressed to the AT. The datagram may come from another host on the network or from the test set itself when the user presses the Start Ping key (see Ping and AN Initiated Packet Data Connection Re-activation from Dormant State ), or
the AT requests to retrieve data (see AT Initiated Packet Data Connection Re-activation from Dormant State ).

Dormant State

Transition from Connected State to Dormant State

Transition from Dormant State to Connected State

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