Step 1: Download and Install Telephone

Open the AppStore and search for “Telephone” or follow the link to install Telephone.

Step 2: SIP Line Configuration

Launch the installed app, and after starting, click “Allow” in the popup window on the right.

Next, fill in the fields as shown in the screenshot below:

  1. Full Name: support (or any name)
  2. Domain:
  3. User Name: 800XXXXX201
  4. Password: test1234

Note that the login and password in the instructions may differ from the ones provided to you

After entering the information, click the “Done” button at the bottom.

Once you’ve entered the line details, go to the app settings as shown in the screenshot.

Navigate to the “Sound” section and check the box for “Use only G.711 codec”.

In the “Network” section, enter the “Local SIP Port.” Add a port in the range of 5060 to 5090, divisible by 2 (e.g., 5062, 5064, 5066…).

After saving the settings, you should see a green indicator indicating that the line is connected. Congratulations, the setup is complete.