https://community.sinch.com/t5/Developer-Forum/audio-device-generic-cc-27-BuiltInAGCIsAvailable-Not-supported/m-p/13152#M20 <P>This indicates that the device has no Automatic Gain Control API available to webRTC on this iOS device.</P><P>This is IOS so it does have its own automatic gain control&nbsp;</P><P>In IOS 13+ you can check for this being active.</P><P><A href="https://developer.apple.com/documentation/avfaudio/avaudioinputnode/3152102-voiceprocessingagcenabled?language=objc" target="_blank">https://developer.apple.com/documentation/avfaudio/avaudioinputnode/3152102-voiceprocessingagcenabled?language=objc</A></P><P>We strongly advise you to upgrade to the latest version of the iOS SDK as the version you are running is out of support.</P><P>&nbsp;</P><P><STRONG>Download latest SDK</STRONG></P><P><A href="https://developers.sinch.com/docs/in-app-calling/sdk-downloads/" target="_blank">https://developers.sinch.com/docs/in-app-calling/sdk-downloads/</A></P><P>&nbsp;</P><P><STRONG>Release notes for IOS SDK</STRONG></P><P><A href="https://developers.sinch.com/docs/in-app-calling/ios/release-notes/" target="_blank">https://developers.sinch.com/docs/in-app-calling/ios/release-notes/</A></P><P>&nbsp;</P><P>&nbsp;</P> Thu, 23 Nov 2023 11:30:18 GMT Roland_Ian 2023-11-23T11:30:18Z https://community.sinch.com/t5/Developer-Forum/audio-device-generic-cc-27-BuiltInAGCIsAvailable-Not-supported/m-p/13062#M19 <P>Using SinchRTC 4.2.11 for video calling in my iOS project using Swift.&nbsp;<SPAN>I am getting this error '</SPAN>(audio_device_generic.cc:27): BuiltInAGCIsAvailable: Not supported on this platform' while making video call in iOS swift project. I am using SinchRTC 4.2.11.</P> Thu, 23 Nov 2023 10:30:42 GMT https://community.sinch.com/t5/Developer-Forum/audio-device-generic-cc-27-BuiltInAGCIsAvailable-Not-supported/m-p/13062#M19 imran0001 2023-11-23T10:30:42Z https://community.sinch.com/t5/Developer-Forum/audio-device-generic-cc-27-BuiltInAGCIsAvailable-Not-supported/m-p/13152#M20 <P>This indicates that the device has no Automatic Gain Control API available to webRTC on this iOS device.</P><P>This is IOS so it does have its own automatic gain control&nbsp;</P><P>In IOS 13+ you can check for this being active.</P><P><A href="https://developer.apple.com/documentation/avfaudio/avaudioinputnode/3152102-voiceprocessingagcenabled?language=objc" target="_blank">https://developer.apple.com/documentation/avfaudio/avaudioinputnode/3152102-voiceprocessingagcenabled?language=objc</A></P><P>We strongly advise you to upgrade to the latest version of the iOS SDK as the version you are running is out of support.</P><P>&nbsp;</P><P><STRONG>Download latest SDK</STRONG></P><P><A href="https://developers.sinch.com/docs/in-app-calling/sdk-downloads/" target="_blank">https://developers.sinch.com/docs/in-app-calling/sdk-downloads/</A></P><P>&nbsp;</P><P><STRONG>Release notes for IOS SDK</STRONG></P><P><A href="https://developers.sinch.com/docs/in-app-calling/ios/release-notes/" target="_blank">https://developers.sinch.com/docs/in-app-calling/ios/release-notes/</A></P><P>&nbsp;</P><P>&nbsp;</P> Thu, 23 Nov 2023 11:30:18 GMT https://community.sinch.com/t5/Developer-Forum/audio-device-generic-cc-27-BuiltInAGCIsAvailable-Not-supported/m-p/13152#M20 Roland_Ian 2023-11-23T11:30:18Z