How to Use Your eSIM for International Calls While Traveling

Making international calls while traveling can be expensive with traditional roaming plans, but using an eSIM offers a more cost-effective solution. By understanding how to configure your eSIM and leverage internet-based calling options, you can stay connected with loved ones, colleagues, or clients without breaking the bank.

This guide explains how to use your eSIM for international calls, optimize settings, and troubleshoot common issues for a seamless calling experience.

Why Use Your eSIM for International Calls?

1. Cost Savings
   • Avoid high roaming charges by using eSIM plans tailored for international calling.
2. Global Connectivity
   • Stay connected across multiple countries with a single eSIM profile.
3. Convenience
   • Switch between calling and data services effortlessly without changing SIM cards.
4. Flexibility with VoIP Services
   • Use internet-based calling apps alongside your eSIM for enhanced cost-efficiency.

Step-by-Step Guide to Using Your eSIM for International Calls

1. Check Your eSIM Plan Details

Before traveling, confirm your eSIM plan includes international calling:

• Contact your eSIM provider for details on calling rates and included countries.
• Check if VoIP services like WhatsApp or Skype are supported in your destination.

2. Set Your eSIM as the Default Line for Calls

For iPhone Users:

• Go to Settings > Cellular > Default Voice Line.
• Select your eSIM profile as the default for calls.

For Android Users:

• Navigate to Settings > SIM Card Manager > Preferred SIM for Calls.

3. Enable Data Roaming (If Necessary)

Activate data roaming to ensure your eSIM connects to supported networks abroad:

• iPhone: Settings > Cellular > Cellular Data Options > Data Roaming.
• Android: Settings > Mobile Network > Roaming > Turn On.

4. Use VoIP Services for Cost-Efficiency

Leverage internet-based calling apps to minimize traditional call costs:

• Popular options include WhatsApp, Skype, Zoom, and Google Voice.
• Ensure a stable internet connection via your eSIM or Wi-Fi.

5. Dial International Numbers Correctly

Use the appropriate country code format when making international calls:

• Dial + followed by the country code and the phone number (e.g., +44 for the UK).

Tips for Optimizing eSIM Usage for International Calls

1. Choose the Right Plan

• Opt for an eSIM plan with bundled international calling minutes or unlimited VoIP data.

1. Prioritize VoIP Over Traditional Calls

• Use apps like WhatsApp for calls when connected to Wi-Fi or a reliable mobile network.

1. Monitor Call Costs

• Track usage through your eSIM provider’s app to avoid exceeding your plan’s limits.

1. Disable Unnecessary Apps During Calls

• Limit background activity to ensure optimal call quality.

1. Use Wi-Fi for Long Calls

• Save mobile data by connecting to Wi-Fi for extended VoIP conversations.

Troubleshooting Common Issues

1. Unable to Make Calls

• Cause: Incorrect settings or blocked networks.
• Solution:
  • Ensure your eSIM is active and has sufficient balance or minutes.
  • Check if VoIP services are restricted in your destination and use a VPN if necessary.

2. Poor Call Quality

• Cause: Weak signal or high data usage.
• Solution:
  • Move to an area with better network coverage.
  • Disconnect other devices or apps using the same connection.

3. High Calling Costs

• Cause: Unfamiliarity with eSIM plan rates.
• Solution:
  • Review your plan’s terms and switch to VoIP for cheaper calls.

Example Scenario: Using an eSIM for Calls in South America

Scenario:
A traveler needs to make business and personal calls during a two-week trip across Brazil and Argentina.

Steps Taken:

1. Selects an eSIM plan with included international calling minutes for South America.
2. Configures their eSIM as the default voice line for calls.
3. Uses WhatsApp for non-urgent calls to save on minutes.

Outcome:
The traveler stays connected for work and personal needs without incurring high costs.

Common Questions About Using eSIMs for International Calls

1. Can I Use My eSIM for International Calls Without Roaming?

Yes, by using VoIP services over data or Wi-Fi, you can avoid traditional roaming charges.

2. Are VoIP Calls Allowed on eSIM Plans?

Most eSIM providers support VoIP services, but some countries may restrict certain apps.

3. What Happens If I Run Out of Call Minutes?

You can purchase additional minutes through your eSIM provider or switch to VoIP apps for continued calling.

Why Choose Unoroam for International eSIM Calling?

Unoroam offers:

• Affordable Plans: Tailored options with included international calling minutes.
• Global Coverage: Reliable network access in over 100 countries.
• 24/7 Support: Assistance with eSIM setup and troubleshooting anytime.

Stay connected wherever you go! Use the widget below to explore Unoroam’s eSIM plans and start making international calls with ease.