How to Make Phone Calls with a Data-Only eSIM in 2025: Step-by-Step Guide for Travelers

eSIM technology has revolutionized the way we stay connected, especially for international
travel. Many eSIM plans, including those offered by Commbitz, are data-only, raising the
question: how do you make phone calls? Here’s a step-by-step guide to making calls with a
data-only eSIM while exploring the best connectivity options like the Commbitz global SIM
card.

Everything You Need to Know to Make Voice Calls Using Only Mobile Data and VoIP Apps

1. Understanding Data-Only eSIMs
   Data-only eSIMs are designed to provide internet connectivity without traditional calling or
   texting services. These are ideal for travelers who prioritize internet-based communication.
   The Commbitz eSIM, one of the best international SIM card options available, ensures highspeed internet in more than 190 countries worldwide.
2. Use VoIP Apps for Calling
   Voice over Internet Protocol (VoIP) apps like WhatsApp, Skype, Zoom, and Google Voice
   allow you to make calls using your eSIM’s data connection. Simply download one of these
   apps before your trip and use it to make calls anywhere in the world.
3. Enable Wi-Fi Calling
   Many smartphones now support Wi-Fi calling, which allows you to make calls using a Wi-Fi
   or data connection. Check with your phone carrier and device settings to enable this feature
   for seamless communication using your travel SIM card.
4. Leverage Commbitz’s High-Speed Data
   With the Commbitz international SIM card, you get reliable, high-speed data, ensuring clear
   and uninterrupted calls. Whether you’re in a bustling city or a remote village, our eSIM
   technology keeps you connected.
5. Plan for International Roaming Costs
   Avoid high international roaming costs by relying on data plans from providers like
   Commbitz. Our tourist SIM card options include affordable rates and unlimited data
   packages tailored for global travelers.
6. Stay Flexible
   The best part about a data-only eSIM is its flexibility. You can easily switch to a different plan
   or top up your data through the Commbitz app, ensuring that you’re always connected while
   traveling.
   Embrace the freedom of a data-only eSIM and stay connected with Commbitz—your trusted
   partner in global connectivity.