Built into the official repo

Voice Call

Voice Call: Bundled skill in the OpenClaw repository; requires local binaries and permissions where applicable. Follow the AgentSkills layout under skills/voice-call/. See OpenClaw documentation and ClawHub for security and setup.

Voice / Calls通话语音桥接
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Notes

The skill pack lives under skills/voice-call/ in the OpenClaw repo. Whether it appears in your agent session depends on environment variables, binary gating, and your openclaw.json configuration.