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Turn on the speaker programmatically during a call

I want to turn on the speaker programmatically during a call in the ios app. Is it possible and how?

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See the kAudioSessionSpeed_OverrideAudioRoute key and the kAudioSessionOverrideAudioRoute_Speaker property in the Apple Audio Session documentation.

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Swift 3.0

try AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryPlayAndRecord, mode: AVAudioSessionModeVoiceChat, options: .defaultToSpeaker) try AVAudioSession.sharedInstance().overrideOutputAudioPort(.speaker) try AVAudioSession.sharedInstance().setActive(true)
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