Simplify the way you communicate, whether you’re in the office or on the go. VoIP.ms Softphone provides you the flexibility you need. Available on both the App Store and Google Play.

The VoIP.ms Softphone is in BETA and will be available free of charge starting on April 2025, until further notice.

You will find below all the steps to succesfully start using VoIP.ms Softphone.

Step 1 - Downloading VoIP.ms Softphone

Download the softphone at the following URL:

• Android -
• Apple -

Step 2 - Initial Configuration of VoIP.ms Softphone

After downloading the softphone to your mobile device, open the app to begin. Once the initial verification and setup are complete, you’ll be prompted to enter your username, password, and domain on the login screen.

• Username: This can be found by logging into your VoIP.ms customer portal and look for the SIP/IAX SIP username (6-digit number).
• Password: If you haven’t changed it, this is the same password you use to access your VoIP.ms portal.
• Domain: Choose the server closest to your location. For a full list of available servers, please refer to this article.

Once you’ve entered the required information, tap the check mark icon in the top-right corner of your screen to proceed.

Step 3 - Permission Allowance

Next, you will be prompted to allow several permissions to ensure the VoIP.ms softphone works as intended:

1) 2) 3) 4) 5)

• Notifications Permission: Allows the app to notify you of missed calls, voicemail messages, and other important alerts.
• Microphone Permission: Enables the app to transmit your voice clearly during calls.
• Phone Permission: Enhances interoperability between the app and your mobile device’s native calling features.
• Contacts Permission: Integrates your phone’s contact list, making it easier to place calls directly through the app.
• Full-Screen on Incoming Calls: Ensures that incoming calls are displayed in full-screen mode rather than as a small popup.

Step 4 - Ready to Make Phone Calls!

Once you’ve granted all the necessary permissions, you’re ready to start making calls!

To test your setup, you can dial 4443, which will initiate a call quality test. After the message plays, you’ll have the opportunity to speak and hear your voice played back.