After all, most people these days keep their browsers running, open or minimised, for the duration of the session.

ECONOMIST: Google goes in search of an instant operating system

That means that when a call begins, the network essentially opens a path of communication for the duration of the session between the users.

WSJ: U.S. Wireless Carriers Move to New Technology��For Voice

In technology, a stateful activity or session sets an agreement for all the resources along the path of process flow to be solely assigned for the duration of the activity.

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