I think it's because you can't open sound device when the app in background. ???? iPhone > ? 2014?4?4??12:48?Xialin Zhang <xialin at labgoo.com> ??? > > I encountered the same issue in my VoIP iOS app, too. The error does not affect making/receiving calls though. > > I'm not sure what exactly the problem is (not aware that it's something related to TCP/UDP). > > If you check AVAudioSession available inputs, you might find the selectedDataSource is null. > > > Printing description of inputs: > <__NSArrayI 0x188c4610>( > <AVAudioSessionPortDescription: 0x188c4580, type = MicrophoneBuiltIn; name = iPhone Microphone; UID = Built-In Microphone; selectedDataSource = (null)>, > <AVAudioSessionPortDescription: 0x18835d90, type = BluetoothHFP; name = Valore-BTi22; UID = 00:23:01:10:38:77-tsco; selectedDataSource = (null)> > > > >> On Fri, Apr 4, 2014 at 11:36 AM, <pjsip-request at lists.pjsip.org> wrote: >> Send pjsip mailing list submissions to >> pjsip at lists.pjsip.org >> >> To subscribe or unsubscribe via the World Wide Web, visit >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> or, via email, send a message with subject or body 'help' to >> pjsip-request at lists.pjsip.org >> >> You can reach the person managing the list at >> pjsip-owner at lists.pjsip.org >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of pjsip digest..." >> >> >> Today's Topics: >> >> 1. iPhone TCP (Nguni Phakela) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Fri, 4 Apr 2014 05:36:01 +0200 >> From: Nguni Phakela <nguni52@xxxxxxxxx> >> To: pjsip list <pjsip at lists.pjsip.org> >> Subject: iPhone TCP >> Message-ID: >> <CAFMpJW0akxw5vyE1e1KLjXX_7UraNdns=SPAex+nQs7dexK73A at mail.gmail.com> >> Content-Type: text/plain; charset="iso-8859-1" >> >> Hi, >> >> I'm developing a iPhone app and when I configure the app to use TCP and no >> UDP since I want to get an incoming call, I'm receiving the following >> error: >> >> *ERROR: [0x3116000] AVAudioSessionPortImpl.mm:50: >> ValidateRequiredFields: Unknown selected data source for Port iPhone >> Microphone (type: MicrophoneBuiltIn)* >> >> >> >> >From my readings it seems that iPhone will only wake up from background >> mode only if using TCP. If I have both TCP and UDP configured I can make an >> outgoing call but still cannot receive a call. I want to do be able to do >> both. >> >> Cheers, >> -- >> Nguni Phakela >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20140404/0c304f6a/attachment.html> >> >> ------------------------------ >> >> Subject: Digest Footer >> >> _______________________________________________ >> pjsip mailing list >> pjsip at lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> >> ------------------------------ >> >> End of pjsip Digest, Vol 80, Issue 19 >> ************************************* > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20140404/f7ab96cf/attachment-0001.html>
