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Browse Help Topics

Getting Started

Learn the basics and set up your account

Making Calls

How to make and manage your calls

Billing & Payments

Credits, payments, and invoices

Technical Support

Troubleshooting and technical help

Account Management

Manage your profile and settings

Frequently Asked Questions

Diallo24 is a browser-based international calling service that lets you make calls to 200+ countries at competitive rates. No apps to download, no hardware needed—just open your browser and start calling.

Diallo24 uses pay-as-you-go pricing with no monthly fees or contracts. Rates vary by country, typically starting from $0.008/minute. You only pay for the minutes you use, and credits never expire.

Simply click 'Get Started Free' and sign up with your email. Verification takes 30 seconds, and you'll get $2 free credit to try the service.

No! Diallo24 works entirely in your web browser. Just visit our website, log in, and start calling. No apps or software downloads required.

After logging in, enter the phone number you want to call (including country code), and click the call button. Your browser will ask for microphone permission, then you'll be connected.

You can call 200+ countries worldwide, including mobile and landline numbers. Check our pricing page for specific rates to your destination.

We use HD voice technology with advanced noise cancellation for crystal-clear calls. Most users report quality equal to or better than traditional phone services.

We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and cryptocurrency. All payments are processed securely.

No! Your credits never expire. Add as much or as little as you like, and use them whenever you need.

The minimum credit purchase is $10. However, new users get $2 free credit to try the service first.

Yes, we offer a 30-day money-back guarantee. If you're not satisfied, contact support for a full refund of unused credits.

Diallo24 works on all modern browsers including Chrome, Firefox, Safari, and Edge. We recommend keeping your browser updated for the best experience.

First, check your device volume and ensure your speakers/headphones are working. Also verify that your browser has permission to access your microphone and speakers.

Poor quality is usually due to internet connection. Try closing other applications using bandwidth, moving closer to your router, or switching to a wired connection if possible.

Go to Account Settings and click 'Change Password'. You'll need to enter your current password and then your new password twice.

Yes! You can add family members to your account and share credits. Each member gets their own login but uses the same credit balance.

Contact our support team to request account deletion. We'll process your request within 48 hours and any remaining credits will be refunded.

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