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51. OneSim VoIP
    • Which phone number will be shown on the caller ID when I make a call using OneSim VoIP?

      Your active OneSim VoIP Personal Extra Number (PEN) will be shown on the caller ID.
52. Ordering Questions
    • How long will it take for my OneSimCard to be delivered?

      Your order will be shipped the same day you place it, provided that it was received on a business day before 3 PM EST. Otherwise, your order will be shipped the next business day.

      We offer several delivery options:
      • USPS Priority mail
        Your order should arrive within 2-3 business days, but it is not guaranteed.
      • FedEx Next Day and FedEx Next Day Priority.
        Delivery guaranteed by 10 AM or 3 PM.
      • FedEx Two Day
        Delivery is guaranteed in 2 business days.
      • FedEx Three Day
        Delivery guaranteed in 3 business days.
      • Fedex Express Overnight.
        Next day delivery before 12:00 pm to most locations in the USA.
      • FedEx Ground
        Delivery guaranteed in 1-6 business days depending on the destination from Boston, where we ship from.

      For orders shipped outside of USA:

      • International Air Mail - usually takes 5 to 30 business days, no tracking
      • US Postal Service International Priority - delivery time depends on the country
      • Fedex International - 2-6 business days - depends on the country and location in the country. This is the most reliable shipping option.

      You will get more detailed information about the delivery to your destination when you start placing your order.

53. OneSimCard General Service Questions
    • Can I check my Voice Mail from a phone other than my OneSimCard phone?

      Yes. You can access the Voice Mail from other phones.

      First you need to set up a voicemail password by either calling from your OneSimCard phone or logging in to your account and clicking on the Voicemail link.

      Once the password is set up, you can dial voice mail access number:

      Toll Free access number for customers in the U.S. or Canada to retrieve voicemail for free: 1-866-703-4770

      Local U.S. number for worldwide customers to retrieve voicemail: 1-213-805-2905

      New Online Voicemail Feature: You can now listen to voicemail for free by logging in to your account and clicking on the Voicemail link. There, you can also set voicemail to be emailed to you as an audio file and change passwords and other settings.

      IMPORTANT NOTE: Voicemail messages will be automatically purged from your inbox after one month, so please be sure to save the content of any important messages before they are deleted.
54. OneSimCard General Service Questions
    • Do I need to activate the SIM card when my order is received or purchased from a retail store?

      Yes, you will need to activate the SIM card once the order is received.

      All OneSimCard international SIM cards and international cell phones with SIM cards are shipped inactive to prevent theft and improve security. Only the person who placed the order for OneSimCard service can activate it.

      Activation is very simple: When you receive the SIM, just log in to your account at www.OneSimCard.com and click the large Activate button you will see in the middle of the screen.

      Retail Customers: If you purchased your SIM card through an online or brick-and-mortar retail store, you should have received activation instructions inside the product packaging. To activate retail SIM cards, go to www.OneSimCard.com/Retail enter your new OneSimCard international mobile number and fill out the form to register and activate the SIM card.
55. OneSimCard General Service Questions
    • Does OneSimCard offer maritime service on cruise ships or ferries?

      OneSimCard Plus SIM offers services on the following MCP cruise lines:

      Celebration Cruise Lines, Viking Oceans, Princess Cruises, Phoenix Reisen, Paul Gouguin, P&O Cruises, P&O Cruises Australia, Norwegian Cruise Line, Mano Maritime, Ibero Cruceros, Hurtigruten Group, Fred.Olsen Cruise Line, Cunard Line, Cost Cruises, Aida.

      The rates are available here: 


      We also offer services on these cruise lines:


      Azamara Club Cruises , Carnival, Celebrity Cruises, Crystal Cruises, Disney Cruise Line, Hapaq Lloyd Kreuzfahrten, Holland America Line, Kreuzfarten.de, Louis Cruises, Peace Boat, Princess Cruises, P & O Ferries, Pullmantur Cruises, Regent Seven Seas Cruises, Royal Carribean International, Semester at Sea, Seabourn, Silversea, Star Cruises, Global Berederung, Thomson, TUI Cruises, Voyages of Discovery.


      The rates are available here: 

      Besides this, generally, OneSimCard can be used on any cruise ship when the ship is close enough to shore so the cell tower signal can be picked up by the phone. The ship should be within at least 1 mile from the coast for your cell phone to pick up a signal. Service will work only when the phone is close to a country where OneSimCard provides international roaming service. Rates are the same as if a call was made from the shore of the country you are near.

56. OneSimCard General Service Questions
    • Is there a 911 emergency number in Europe that can be used with OneSimCard service?

      Yes, in Europe the emergency number is 112. You can use 112 in Europe to report real emergencies to local authorities in the country of stay. The 3 digit number should be dialed directly without any additional digits in front of the number.
57. OneSimCard General Service Questions
    • Can I use OneSimCard data (GPRS) service on my BlackBerry?

      Yes! We do offer data (GPRS) service on BlackBerry devices from models 8000 and up. This is separate from BlackBerry Internet Service (BIS) & Blackberry Enterprise Server (BES). Emails can not be pushed to the phone and BlackBerry Web Applications and Messenger will not work. However, access to web-based emails like Gmail and Yahoo as well as Internet browsing will work.


58. OneSimCard General Service Questions
    • I have an Verizon or Sprint Smart Phone ( iPhone 4S, Iphone 5, HTC, etc). Will OneSimCard work with my phone?

      Verizon and Sprint now offer dual mode - CDMA and GSM phones, which are capable of working on GSM networks. You can request Verizon and Sprint to unlock the GSM portion of the phone for international travel and they will most likely do this for you. However, Verizon and Sprint usually does not unlock phones 100% - they do this partially, so you are not able to use the phone while in USA.

      In such Verizon and Sprint phones you can get invalid message when inserting OneSimCard SIM or your phone does not find US networks. Verizon and Sprint unlock their phones in such a way that you can't use it in USA, but once you are out of the country the SIM will be accepted. Unfortunately, there is no way to tell the difference with this kind of unlocking if the phone is not unlocked or partially unlocked to work only outside of USA. In our experience, once this kind of phone leaves USA, it starts working.

59. OneSimCard General Service Questions
    • Does OneSimCard offer any Hearing Aid Compatible (HAC) phones?

      Yes. You can find a list of available HAC phones here.
60. OneSimCard General Service Questions
    • Can I forward calls from my OneSimCard phone to another number?

      Yes. Your OneSimCard mobile number can be forwarded to almost any other number around the world! It's 100% free to forward your OneSimCard phone number to many countries, including to U.S. or Canadian numbers. Forwarding to some countries, as well as to satellite phones, will carry a forwarding charge as listed in the Rates & Coverage page on OneSimCard.com. There are a few exceptions where calls can not be forwarded to certain numbers.

      To enable/disable call forwarding from your online account:

      Log in at OneSimCard.com and go to the My SIM Cards menu. Select your SIM card number and enable/disable Call Forwarding on this screen.

      To enable/disable call forwarding from your phone:

      Dial *146*081*XXXXXXXXXXXXX# and press Send/Talk (where XXXXXXXXXXXXX is the forward-to number in international format: 00+countrycode+number)

      Newer SIM cards use *81* instead of *081*

      Example: to forward to U.S. number 1-617-555-1212, dial *146*081*0016175551212# and press Send/Talk.

      If you get an "Unkown Format?" message, dial *146*81*0016175551212#

      To disable call forwarding, dial *146*080# and press Send/Talk. If you get an "Unknown Format?" message dial *146*80# and press Send/Talk.

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