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Discuss GPRS/EDGE detach timeout... at the General - Hackint0sh.org; Sorry if this was mentioned before, couldn't find anything by searching... How long does it ...
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    Default GPRS/EDGE detach timeout...

    Sorry if this was mentioned before, couldn't find anything by searching...

    How long does it take for the iPhone to detach from EDGE, by which criteria does it decide to start counting the idle time and is there an way to change the timeout?

    The thing is, i never know whether it's still attached or not (the "E" icon is always the same) and i'm getting the feeling some app has a keepalive of sorts running in the background, keeping my iPhone attached and draining the battery too quickly.

    Thanks in advance!



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    Anyone?

    Ah, well, never mind...

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    When you set your EDGE settings, it will connect. It stays connected all the time.
    If you have checking for mail set to manualy, there iw no traffic. Only traffic will cost you money. So it's normal that the "E" is always on.

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    I'm not sure if we've understood each other completely...

    GPRS (and EDGE) normally has two "states" - attached and detached. When it's attached, there's always some traffic (keepalives, status requests, the usual chatter) between the APN and the terminal (iPhone in this case), even when there are no applications using the data connection. Having GPRS attached increases the load on the battery, because the terminal transmits more often than usual.

    Therefore, phones usually have an auto time-out - a period of inactivity after which they detach GPRS/EDGE to conserve power. Unless they have push e-mail (blackberry, activesync direct push, IMAP push) in which case GPRS/EDGE usually stays attached. On most phones you can see whether EDGE is still attached or not by a slight variation of the status icon, i.e. "hollow" E vs. "solid" E, grey E vs. blue E etc. iPhone doesn't have that sort of indication - E is always the same. The only additional indication you have i the spinner in the status bar, indicating data traffic.

    Since i don't believe folks at Apple were that dumb to forget to implement an auto-detach function, i'm asking if anyone knows what the timeout is and how to change it.

 

 

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