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Captured audio buffers are all silent on Windows Phone 8

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问题 I'm trying to capture audio using WASAPI. My code is largely based on the ChatterBox VoIP sample app. I'm getting audio buffers, but they are all silent (flagged AUDCLNT_BUFFERFLAGS_SILENT). I'm using Visual Studio Express 2012 for Windows Phone. Running on the emulator. 回答1: I had the exact same problem and managed to reproduce it in the ChatterBox sample app if I set Visual Studio to native debugging and at any point stepped through the code. Also, closing the App without going through the

Send events from AppService to main Project

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问题 I am implementing VOIP application. I use this sample VOIP sample. when a call changes status, I want to send an event from app service to main project in order to update UI, but I can not find any way to do it, I just can send a message from the main project to app service and receive a response. So anyone can show me the way to send message from app service to main project ? 来源： https://stackoverflow.com/questions/39462097/send-events-from-appservice-to-main-project

Perform SIP Call from Windows Phone 8.1

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问题 I'm trying to learn to develop SIP client for Windows Phone 8.1 (following this example). The example mentions to call: Windows.Phone.Networking.Voip.VoipCallCoordinator.RequestNewOutgoingCall() to perform outgoing call. However, from the documentation, RequestNewOutgoingCall is to "Notifies the system of a new outgoing call." Not to connect to the actual SIP server. Anyone knows how to connect to the desired SIP server? Thanks. 回答1: Microsoft does not provide ready solutions for SIP call.

how to play audio through earpiece only in windows phone 8 application

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I have tried with AudioRoutingManager class...but i got unauthorizedaccess exception. here is my code AudioRoutingManager audioRouting = AudioRoutingManager.GetDefault(); public AudioRoutingEndpoint ChangeAudioRoute() { var currentEndPoint= audioRouting.GetAudioEndpoint(); switch (currentEndPoint) { case AudioRoutingEndpoint.Earpiece: case AudioRoutingEndpoint.Default: return AudioRoutingEndpoint.Speakerphone; case AudioRoutingEndpoint.Speakerphone: return AudioRoutingEndpoint.Earpiece; default: throw new OperationCanceledException(); } } public void SetAudioRoute() { audioRouting

how to play audio through earpiece only in windows phone 8 application

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问题 I have tried with AudioRoutingManager class...but i got unauthorizedaccess exception. here is my code AudioRoutingManager audioRouting = AudioRoutingManager.GetDefault(); public AudioRoutingEndpoint ChangeAudioRoute() { var currentEndPoint= audioRouting.GetAudioEndpoint(); switch (currentEndPoint) { case AudioRoutingEndpoint.Earpiece: case AudioRoutingEndpoint.Default: return AudioRoutingEndpoint.Speakerphone; case AudioRoutingEndpoint.Speakerphone: return AudioRoutingEndpoint.Earpiece;