| Area | Limitation | Details |
|---|---|---|
| Releases | @telnyx/acp is a pre-release on npm, and a release can change documented behavior. | Deploy and Operate |
| Control plane | There is no control plane API yet, so telnyx-acp list is not available. | Deploy and Operate |
| Environments | One project has one address, with no staging slot or traffic split. | Deploy and Operate |
| Rollback | Rollback is refused for agents the CLI deploys. | Deploy and Operate |
| Conversations | One conversation cannot be ended on its own. | Deploy and Operate |
| Packages | deploy bundles the CLI’s own managed packages, whatever an exported project pins. | Deploy and Operate |
| Speech | STT and TTS run with their default language and model. | Voice |
| TeXML | texml_application channels answer 501. | Voice |
| Approvals | A tool marked ask works under dev only; a deployed run with one pauses and cannot be decided yet. | Tools |
| Tools on calls | Tools on a call need voice.harness, and a tool marked ask stays off calls. | Tools |
| MCP | Only remote servers over Streamable HTTP, with a bearer token or API-key header, and only their tools. | MCP Servers |
| Preview tools | Gateway, Browser, Sandbox and File System are not available yet. | Tools |
Beta Limitations
The Agent Control Plane is in beta. This page lists what the current release does not do yet, or does with a constraint. Each line links to the page that explains it.
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