2nd Phone Number is not an eSIM. It offers a different solution for obtaining a virtual phone number:

  1. 2nd Phone Number : Utilizes "VoIP technology", allowing you to make and receive calls and texts using a "virtual number" provided by the app. This virtual number exists only within the 2nd Phone Number ecosystem, not on a physical SIM card or eSIM.

  2. eSIM: Stands for "embedded SIM". It's a "digital chip embedded within your device" that can store multiple phone numbers and network operators, similar to a traditional SIM card but more compact and flexible.

Key points to remember:

  • No impact on existing lines: Using 2nd Phone Number doesn't affect your existing SIM card or eSIM functionality.

  • Separate services: While both provide phone capabilities, they function differently and serve distinct purposes.

Additional Considerations: 

  • Porting a virtual number from 2nd Phone Number to a real network and vice versa "is not possible".

  • 2nd Phone Number might not be the best solution if you need data access or prefer a traditional phone number associated with a specific network operator.