iOS Rainbow App no audio problem

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Hiro TAKAHASHI

• January 04, 2020 18:40

Hello,

My Rainbow app on iOS experiences no audio problem with the following scenario, it's very simple.

1. Make a rainbow call from the app to another rainbow party on any device, e.g., iOS, Android or Windows.

2. The other rainbow answered the call, it is established and 2-way audio conversation starts.

3. Hang-up the call from the other rainbow party. -> this triggers the problem.

4. The app makes a call to the same rainbow party, no-audio after the other party answers the call.

 

For debug purpose, I made a very simple test app that stripes non-essential factors in order to focus on true Rainbow things, it just makes a call to a fixed rainbow account.

Even with the test app (on iOS) I can still reproduce the problem. 

When the other party hangs up the test app receives

NSNotification.Name.telephonyServiceDidRemoveCall 2 times.

Has anyone experienced same issue and have any ideas how to fix it?

My test app described above is almost a kind of copy and paste code from SDK > iOS > Getting Started > Managing voice and video calls.

 

Thanks,

 

 

 

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• 

  Olivier ANGUENOT

  • January 08, 2020 09:07

  Hi Hiro,

  Did you encounter the same issue when you replace your IOS sample app by the Rainbow Official IOS client and do the same scenario ?

  If not:

  - Which version of the SDK did you used ?

  - Coud you have a snippet of code on that part (call handling part) ?

  Thanks in advance,

  Olivier

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  Hiro TAKAHASHI

  • January 08, 2020 16:40

  I installed the official Rainbow app and tested it, and I could not reproduce the problem.

  I'm using SDK 1.63.0 for the real app and 1.62.0 for the test app.

   

  Below is a code that makes a new call.

  if (mServicesManager.rtcService.microphoneAccessGranted as Bool?) != nil {

      let features = getCallFeatures(callType)

      mCurrentCall = mServicesManager.rtcService.beginNewOutgoingCall(with: contact, withFeatures: features) as RTCCall?

   

  Below is a callback for telephonyServiceDidRemoveCall notification triggered when the other party hangs up.

  @objc func didRemoveCall(notification: NSNotification) {

      if !Thread.isMainThread {

          DispatchQueue.main.async {

              self.didRemoveCall(notification: notification)

          }

          return

      }

   

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  Hiro TAKAHASHI

  • January 08, 2020 17:12

  I have updated the SDK to the latest one, 1.64.0 for the test app and still getting same problem. 

  Thanks,

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  Hiro TAKAHASHI

  • January 14, 2020 17:25

  I checked, isAudioEnabled that is  one of the properties of RTCCall and it was true even on the failure case.

  I also verified other properties such as isCallMuted and no difference between the good and the bad cases. 

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  Hiro TAKAHASHI

  • January 31, 2020 16:09

  The problem seems to be fixed with Rainbow SDK 1.65.0.

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