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1. Rates and Cost Questions
    • Is it free for someone to call my OneSimCard number using Viber?

      Through a unique partnership with Viber, your primary OneSimCard number (+372) can be called free of charge for any Viber user! (requires activation and special dialing instructions, see below)

      HOW: When this feature is activated, Viber users can call OneSimCard numbers for free by using a special dialing format +372800XXXXXXXX, where XXXXXXXX is the rest of the OneSimCard phone number after 372. For example, a OneSimCard user with the phone number +37212345678 should be called by dialing +37280012345678.

      TO ACTIVATE: Log in to your OneSimCard account and go to the My SIM Cards menu. Scroll down to where it says "Incoming Viber Calls" and click Enable to activate this option.

      COST: The call is free for the Viber user. The cost of receiving the Viber call is the same as receiving a call through a Personal Extra Number (PEN), i.e. the regular incoming call rate in the country you are in plus 20c/min. In countries with free incoming calls, like Italy or Japan, the cost will be just 20c/min.

      PLEASE NOTE:

      • When dialing in Viber, if Viber user chooses the Estonian country code in the menu then they should just dial 800XXXXXXXX because the +372 is added automatically.
      • If the “free calls to OneSimCard from Viber” option is not activated for a particular OneSimCard number, when a Viber user dials +372800XXXXXXXX they will hear an automatic message: “The mobile phone is either switched off or out of coverage area.”
2. OneSimCard General Service Questions
    • What Are Additional Calling Options Available?

      There are many additional options available to reduce cost as well as to make it easier for callers to reach OneSimCard phone.

       
      These options are:
      • PEN - Personal Extra Numbers - Provides an option to call OneSimCard phone directly locally from 60 countries.
      • CAN - Common Extra Numbers - Provides an option to call OneSimCard phone locally from 10 countries without ordering a PEN. See Help Menu of your on-line account for details.
      • SIM VOIP - iPhone and Android App allows lower cost calling and texting over WI-FI or Mobile Data.
      • OneSimCard Connect App - Android App Makes dialing easier. Auto-correct mis-dialed numbers. Removes the callback feature on the Plus and Expedition (formerly Data & Roam) SIM cards.
      • Viber - Allows Viber Callers to call free to OneSimCard Phone.

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