Documentation

Development

User Acquisition

Monetization

Industry

Vivox Core SDK

Vivox Core SDK

Vivox
​
​
Vivox Core SDK
  • Overview
  • Before you begin
  • Get started
  • Release notes
  • Developer Guide
    • Client SDK basics
    • Channels
    • Presence management
    • Messaging
    • Manage audio
    • Couch co-op
    • Android app development
      • Bluetooth profile management
        • Bluetooth profile comparison
        • SCO handshake failures
        • Bluetooth tradeoffs with Vivox
        • Change a Bluetooth profile
        • Troubleshooting Bluetooth SCO underrun issues
      • Android SDK permission requirements
      • Android library requirements
      • Initialize Vivox Android services
      • Android speakerphone audio: Mono or stereo
      • Update the ProGuard rule file
      • Smart Platform Audio Management
      • Acoustic echo cancellation
      • Disable the Vivox SDK internal AEC
      • Hardware echo cancellation
      • Absolute paths for native libraries
      • Reduce Opus CPU load on low-powered Android devices
    • iOS app development
    • macOS app development
    • Windows app development
    • Real-time recording
    • Speech-to-text audio transcription
    • Text-to-speech
    • Troubleshooting
  • Reference
  • Privacy overview
  1. Vivox Core SDK documentation
  3. Android app development

Troubleshooting Bluetooth Sco Underun Issues

Resolve Bluetooth SCO underrun issues on Android.
Read time 1 minute
Last updated 8 months ago
If your users are experiencing Bluetooth SCO underrun issues, which can cause sound to be choppy on SCO, it is possible to force the Bluetooth device to use A2DP by going into the Android Bluetooth settings and disabling the “Phone Calls” option under the Bluetooth device options.
Copyright © 2026 Unity Technologies
LegalPrivacy PolicyCookiesDocumentation Terms of UseDo Not Sell or Share My Personal InformationYour Privacy Choices (Cookie Settings)

"Unity", Unity logos, and other Unity trademarks are trademarks or registered trademarks of Unity Technologies or its affiliates in the U.S and elsewhere (more info here). Other names or brands are trademarks of their respective owners.

Some pages are machine-translated for convenience, and may contain inaccuracies. In the event of conflicting information, the English version is authoritative.

    Report a problem with this page
    ​
    ​