According to 9to5Google, a foreign media outlet that handles Google-related information, Google's official phone app is testing a feature called 'Audio Emoji' that sends sound effects during a call.

And five other sounds both callers can hear as part of an incoming update to the Google Phone app. And five other sounds both callers can hear as part of an incoming update to the Google Phone app. I ...

These “Audio Emojis” come in six flavors: clapping, laughter, crying (represented by a trombone sound), celebratory noises, a drum sting, and yes, even a fart sound. You can access these buttons ...