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Set up MicroSIP on Windows

Use your extension on a PC with the free MicroSIP softphone.

Updated 30 Oct 2026

  1. Download MicroSIP from microsip.org and install it.
  2. Open the menu (the arrow at the top right) and choose Add account.
  3. Enter the details from your welcome message: SIP server and Domain = the server address, Username and Login = your extension number, Password = your extension password.
  4. Transport: UDP (or TCP if your network blocks UDP). Save.

The status at the bottom turns to Online. Call another extension to test.

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