使用 Linphone 桌面客户端完成 SIP 分机注册(Windows) Set up your SIP extension using the Linphone desktop client for Windows
Installation & Setup Steps

安装完成后运行软件,在 Connection 登录界面,点击下方的 Third-party SIP account(不要用 Linphone 官方账号注册)。
After installation, launch the app. On the "Connection" screen, click "Third-party SIP account" — do not register a Linphone-brand account.

阅读第三方 SIP 账户的功能说明后,点击 I understand 继续。
Read the third-party SIP account notice, then click "I understand" to proceed.

按照卖家提供的信息填写以下字段,完成后点击 Connection:
cloudsim1.chloes.ioUDP
点击界面右上角的账户图标,如果分机头像上显示绿色小圆点,即代表注册成功,可以正常收发通话。 Click the account icon in the top-right corner — if a green dot appears on the avatar, registration succeeded.