Step 1: Downloading and Installing Zoiper 5

Open a web browser and go to the official Zoiper website   

Download the appropriate version of Zoiper 5 for Windows and follow the installation.

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On the next screen, enter the following data in the Username/Login and Password fields:

  1. Username: 800XXXXX201
  2. Password: test12345

Click on “Login”.

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Enter the server address:sip.streamtele.com 

The server address may differ from the one mentioned in the instructions or provided to you by us

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Click “Next”, then “Skip”.

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On this screen, choose SIP UDP and click “Skip”.  In the popup window, click “Yes”.

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Next, at the bottom, click “Create Account”.

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Step 3: Configuring Audio Codecs and Port

You’ll see a green checkmark indicating the line is active. In the upper-right corner, click on the gear icon.

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This will open the settings screen. Navigate to the “Accounts” section.

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A menu with a list of accounts will appear. Find and click on our account in the list.

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On the top-right, click “Advanced”.

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Scroll down and find the “Network Related” section. Uncheck “Use rport” and change “Use STUN” to “Don’t use STUN”.

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In the “Audio Codecs” section, leave “G.711 A-law” and “G.711 μ-law” selected, as shown in the screenshot.

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In the “Advanced Settings” section, uncheck “Use STUN”.

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Below, in the “Network” section, uncheck “Open random available port,” and in the port field, specify a local SIP port in the range of 5060 to 5090, incrementing by 2 (5062, 5064, 5066…).

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After configuring, click the close button in the upper left.

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Once configured, the main window should appear with a green checkmark indicating an active line. The configuration is complete.