Am Mi 25. Februar 2009 schrieb Helge Hafting: > Paul Fertser wrote: > > Michael 'Mickey' Lauer <mic...@openmoko.org> writes: > >>>> - echo "a...@poff" >/dev/ttySAC0 > >>> This is supposed to ask modem firmware to power off itself. Was > >>> necessary because GTA01 has no physical power switch. I don't know > >>> exact results of this command though. > >> IIRC it issues a controlled shutdown including deregistration from the > >> network and shutting down RF. > > > > But is it really necessary? One can as well suddenly go out of > > coverage without any deregistrations. Does it really matter for the > > network? > > It guess it might matter for the network - if a call comes in. > If you told the network about powering off, they will notify the caller > immediately that your phone is not available. > > If you powered off abruptly and the network haven't timed your phone out > yet, then the tower will try its best to reach you while the caller > waits. Some callers may guess (incorrectly) that you are ignoring their > call.
correct /j
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