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When we terminate a data call by closing an open socket, why does the phone still indicate that a data call is in progress?

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Answer:

After the last connected socket is closed, BREW waits for a certain linger time before terminating the PPP connection. Hence the lingering call-in-progress indication.

The default linger time is 30 seconds. To change the linger time, use INETMGR_SetLinger().

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