Duo Caller - Virtual 2nd Line

Our app allows you to easily purchase a virtual phone number, which can be used to make calls to more than 20 countries, receive and send messages.

You don't need to buy a SIM card from an operator, sign a contract, or pay additional fees.We offer several subscription options, from one week to one year. 
To top up your balance, use the internal currency, which you can use to pay for calls and messages.

What virtual numbers can be used for:
• make calls around the world;
• receive messages;
• send messages* (there may be restrictions depending on countries and the number to which you send messages).

What virtual numbers can be used for:
• register with online services;
• register for cab services, online booking, delivery services;
• using the number as a second number for work, family, friends.

Main features:
• incoming and outgoing calls;
• sending and receiving messages*
• sending and receiving MMS;
• call and message history;
• replenishment of balance with virtual currency;
• purchase of several virtual numbers;
• and much more.

What are the advantages of virtual numbers:
• you do not need to buy a SIM card from an operator;
• you do not have contracts, additional payments and fees;
• it's quick and easy to get a number;
• you can choose the tariff plan that is perfect for you.

By using DuoCaller, you are agreeing to our Privacy Policy and Terms of Use: https://duocaller.com/privacypolicy.html & https://duocaller.com/tos.html