This is a known issue with the iPhone simulator. While it background, network traffic is queued and not delivered until the keepalive timer triggers or the app enters the foreground. Apple suggests doing background network testing on a device.
On Sep 9, 2010, at 6:31 AM, Chris Foba wrote:
> I found out something new:
>
> After 10 minutes (600 seconds) I get the local notification!
> I tried this some times. 600 seconds are the minimum acceptable timeout value of the - (BOOL)setKeepAliveTimeout:(NSTimeInterval)timeout handler:(void(^)(void))keepAliveHandler method.
>
> This is really strange, but 600 seconds are definitly to long.
> It seems the app will doesn?t wake up. Any ideas?
>
> Regards,
> Chris
>
> 2010/9/9 Sauw Ming <ming at teluu.com>
> Hi Chris,
>
> One more thing, can you test whether you can answer the call
> successfully if you bring the application to the foreground? (i.e. put
> the app in BG, make a call to the app, then bring the app to FG)
>
> Regards,
> Ming
>
> On Thu, Sep 9, 2010 at 9:44 AM, Sauw Ming <ming at teluu.com> wrote:
> > Hi Chris,
> >
> > First, could you please share the device, iOS, and the SDK version you
> > used for testing?
> >
> > When there is an incoming call, try checking whether ipjsua's
> > pjsua_app.c:on_incoming_call() callback is executed. If not, then
> > verify whether ipjsua is still running in the background (i.e. it does
> > not crash).
> >
> > That's all that I can think of for now.
> >
> > Regards,
> > Ming
> >
> > On Thu, Sep 9, 2010 at 1:35 AM, Chris Foba <chris3736 at googlemail.com> wrote:
> >> Hi Ming,
> >> this values are defined and I there is no error message in the log. I added
> >> some lines in activesock.c:
> >> else
> >> {
> >> PJ_LOG(2,("", "Successfully configured TCP transport for VoIP "
> >> "usage. Background mode will be supported."));
> >> }
> >> And it is successfully.
> >> Can I log if the socket connection will be lost?
> >> Thank you,
> >> Chris
> >> 2010/9/8 Sauw Ming <ming at teluu.com>
> >>>
> >>> Hi Chris,
> >>>
> >>> 1. Please check that the value of
> >>> PJ_IPHONE_OS_HAS_MULTITASKING_SUPPORT and
> >>> PJ_ACTIVESOCK_TCP_IPHONE_OS_BG are defined as 1 in
> >>> pjlib/include/pj/compat/os_auto.h
> >>> 2. Please check whether TCP transport can work successfully in the
> >>> background, i.e. there is no message saying that: "Failed to configure
> >>> TCP transport for VoIP usage. Background mode will not be supported."
> >>> in the log.
> >>>
> >>> Best regards,
> >>> Ming
> >>>
> >>> On Wed, Sep 8, 2010 at 11:50 PM, Chris Foba <chris3736 at googlemail.com>
> >>> wrote:
> >>> > Hi!
> >>> > I have checked out revision 1433 to verify fix for ticket 1107 (iOS4
> >>> > background feature).
> >>> > An active call works fine in backgound, but local notifications doesn?t
> >>> > works for me if App is in background or device is locked.
> >>> > I tried the ipjsua.xcodeproj and my own project. Is there still any
> >>> > probleme
> >>> > or can you give me any hints how it works?
> >>> > Thanks,
> >>> > Chris
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