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A self-host license runs all of Wixzel Phone on a server you control: the API, the MCP server, the console and the SIP stack. Calls, recordings and transcripts stay on your infrastructure, and you pay your voice providers directly instead of buying prepaid credit. The license costs $499, paid once, and includes every future release. Buy it from Self-host in the console at phone.wixzel.com.
The license covers your own business. Install it on as many servers as you need, for your own staff. You may not host it as a service for other businesses or pass on the software or its source. The full terms are at phone.wixzel.com/self-host-license.

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What you need

  • A server running Ubuntu 22.04 or 24.04 on x86_64, with 2 vCPUs, 4 GB of memory, 20 GB of free disk and a public IPv4 address. Use a server with nothing else on it: Wixzel Phone needs ports 80, 443, 5090 and 8088.
  • A domain you can add DNS records to.
  • A SIP trunk from a carrier, as on the hosted platform. See SIP trunks.
  • Accounts with the voice providers you want to use. You add their keys in the console after the install.

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DNS

Choose the address your console will have, such as phone.example.com. The API and the MCP server always sit beside it, so add three A records: If your DNS host offers a proxy, such as Cloudflare’s, turn it off for all three. The installer checks that each name points at the server before it asks Let’s Encrypt for certificates, and waits up to ten minutes for new records.
The console signs in through the API, so the two must share a domain you control. That is why they are always phone.example.com and api.phone.example.com, and why shared hostnames such as *.duckdns.org do not work.

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Installing

Sign in at phone.wixzel.com and open Self-host. Enter the console address and an email for certificate notices, then choose how the installer reaches the server. Connect over SSH. Enter the server’s address, the SSH user, and a password or private key. The installer connects once, checks the server and starts the install, then disconnects. It does not keep the password or key. Run a command myself. You get a command to paste into a terminal on the server. It works for 24 hours.
Either way the install takes 10 to 20 minutes and runs on the server as a systemd service, so closing the browser or the terminal does not stop it. The install page on phone.wixzel.com shows each step and the log. On the server:
If an install fails, the page says which step and why. Fix the cause and start it again. Running the installer again is safe: it keeps everything already done.

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First sign-in

When the install finishes, the install page shows a setup code. Open your console, enter the code, and create the owner account. The code works for seven days. If you lose it before the owner account exists, make a new one on the server:
Then, in your console:
  1. Add provider keys under Admin, Providers.
  2. Add logins for your team under Admin, Users. A self-hosted server has no public signup.
  3. Connect your SIP trunk, as described in SIP trunks, using your own server’s address.

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Firewall

The installer configures the server’s own firewall. If your cloud provider has a firewall in front of the server as well, allow these there:

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Updates

Open Self-host on phone.wixzel.com and run the installer again with the same console address. It sees the existing install and updates it; data, keys and settings stay as they are. It first waits up to ten minutes for calls in progress to end, unless you tick the option not to. If the new release does not start, the server goes back to the release it was running. Admin, System in your console shows when a newer release is out. The server itself never contacts phone.wixzel.com; the check runs in your browser.

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What calls cost

A self-hosted server bills nobody. A call is never refused or cut off for credit, and each one still records what it cost at your providers’ prices. Usage in the console shows the totals.

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Everyday commands

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Installing by hand

Self-host, Downloads has the server release, the source code and their SHA-256 checksums. To install without phone.wixzel.com, unpack the server release on the server and follow infra/selfhost/README.md inside it.