Telos is a mobile application for iPhone and Android. Using the app, you can make unlimited free phone calls, send free text messages, and instantly share pictures, videos, and your location with friends, family members and other Telos users. The sound quality on Telos is usually better than the quality of a regular phone call. Telos can assign a real phone number to you, which can receive calls and texts from anyone. Telos can also turn your phone into a real Second Phone Number.

1. Make unlimited free phone calls with superior sound quality
2. Turn your phone into a functional Second Phone Number. Simply push to talk!
3. Send unlimited affordable text messages
4. Instantly share pictures, videos, and your location with contacts
5. Free group conference calls
6. Create group chats with up to hundreds participants
7. Seamless Facebook integration. Make cheap calls and send messages to Facebook friends
8. Call any landline or mobile phone numbers in over 200 countries with super low rates
9. Get a real phone number that can receive calls and texts from anyone

Telos is a free mobile application. If you are using an iPhone, an iPad, or an iPod Touch, please find and download the app by searching “Telos” at the App Store.
If you are using Android phone, please download Telos from Google Play.

1. iOS Devices: iPhone 3GS, 4, 4S, 5, iPad, iPad Mini, iPod Touch. iOS verion 5.0 or newer;
2. Android Device: most Android smart phones. Android version 2.3.3 or newer;
3. Windows Phone or BlackBerry: no support yet, but we are working on it.

Absolutely! In fact, this is recommended for a unified communication experience. For example, you could install Telos on your iPhone and your iPad. As a result, you can pick up phone calls, send messages and receive messages on both devices simultaneously.

Yes, the Telos app is free to download and free to use.
* A data plan for your mobile device is required to use Telos. Your carrier may charge for the data used by Telos.
* Certain premium features in Telos are not free to use. However, you can earn lots of free credits to pay for the premium service.

Yes. A data plan from your carrier or service provider is required to use Telos on a mobile device. However, if you use the app on an iPad or an iPod Touch and have consistent access to free WiFi, you don’t need a data plan.

The majority of Telos’s features still work well on older 2G networks like EDGE or GPRS. Notable exceptions include the group phone call feature, sharing large pictures and sending long video clips.
If your device has consistent WiFi network connection, Telos will work perfectly. In most situations, Telos users can expect much higher communication quality via a WiFi connection than a 3G network.

It all depends on which Telos features you use. Here are the estimated data usages for typical Telos features and volumes:
1. 30 minutes phone call: 3.5M
2. 1000 text messages: 300K
3. Share one picture: 64K
4. Share 2 minutes video clip: 1.6M
5. Share a map (location): 2K
You can see your monthly data usage inside your Telos app.

If your friends are in your address book and they have the Telos app installed on their phones, you will be able to see them in you Telos friends list. The Facebook integration feature allows you to see Facebook friends in the Telos App.
You can also search for your friends via a phone number or an email address.

The Telos app has a built-in invitation function. You can send invitation to your friends via SMS or email. You can also post information about Telos to your Facebook wall or Twitter so that your friends know you are using Telos.

An activation code will be sent to your phone by SMS. Your phone number will also be used to find friends on Telos. For example if a friend has your phone number in their address book, that friend can identify you as a Telos user in their app.

When Telos is idle in the background, it uses almost no network or computing power. When you use low-drain Telos features like voice call, Push-to-Talk or message, the app uses relatively little power.

Yes, you can continue using Telos. However, it is recommended that you deactivate Telos on your phone and re-activate it with the new phone number. If you do not do this, contacts with your new phone number may not be able to find you on Telos.

If you subscribe to a service like iCould, you can remote-wipe your phone. After that, you really don’t need do anything special. Otherwise, you can take the following steps to stop Telos working on the lost device:
1. Install the Telos app on your new phone (assuming your new phone has kept the same phone number)
2. Activate Telos with the same phone number
3. When Telos is activated on your new phone, you will see a warning message:

Selecting “Deactivate Other Devices” will stop Telos working on you lost device.

Telos phone call is transmitted via high-quality VoIP, which uses a wideband voice encoding technology. In most situations, Telos phone calls have superior voice clarity in comparison with regular phone calls. Telos phone calls are also completely free of charge.

Yes. You can call any landline or mobile phone number in over 200 countries at super low rates.
Want cheap calls? Then don't forget to invite your friends to join Telos so you can make unlimited phone calls completely free of charge.

Yes! As long as your international friend is also a Telos user, your calls will be absolutely free no matter where your contact lives.
Your international friend isn’t on Telos? Don’t worry. You can also make cheap international calls to any phone number in over 200 countries.

1. Enter "More" -> "Calling Rates" in the Telos app.
2. Select the country and enter the phone number to check the exact calling rate.

1. You can earn free credits by watching commercial videos or completing offers.
2. You can purchase credits inside the Telos app.

Yes. Telos features seamless Facebook integration. As long as your Facebook friends have Telos on their phones, you can enjoy unlimited free phone calls and text messages!

Yes. Telos supports group conference calls with up to 8 participants. You can invite people into the current call at any time. Moving certain Telos contacts into a group can make the call setup process even simpler: at that point, you can simply click a button and invite all the group members into the conference call.

If you live in the United States, you can choose "Local Dial-in" to place international calls. Local dial-in does not require an Internet connection.
You can also choose "Callback". For further information, please enter "More" -> "Call Settings" in your Telos app.

Yes! As long as your friend is also a Telos user, sending a message will be absolutely free no matter where your contact lives.

SMS messages are the traditional messaging system that carriers use to transmit across the cell phone network. SMS messages are text only, and are limited to 140 characters. They are not an example of real-time communication. Additionally, SMS messaging can become expensive.
On the other hand, Telos messages leverage the advantages of mobile Internet. They are real-time and interactive. They can also deliver multimedia messages. They are more versatile, too: for example, you can see your friend typing a reply. Telos messages are also completely free of charge.

Yes. Through Telos, you can get a real U.S. phone number which can be used to send texts to – and receive texts from – anyone whether they use Telos or not.
Don't forget to invite your friends to Telos so that you can send unlimited messages completely free of charge.

Telos can assign you one or multiple real U.S. phone numbers.
These phone numbers are exactly the same as phone numbers assigned by Verizon, AT&T and Sprint and can be used to call and text anyone…even people not using Telos.

Your Telos phone number is a real U.S. phone number so you can receive calls and texts from anyone.
Get a Telos phone number for your iPod Touch or iPad and it becomes a real phone. Get a Telos phone number for your iPhone and you’ve got a second (or third or fourth) line.
With multiple Telos numbers, each can be used for a dedicated purpose. Use one for selling on Craigslist. Use another for posting on Facebook. Use yet another as a private number for family only. The possibilities are endless.

Yes and No.
The first Telos phone number is free for our U.S users. Note: Certain conditions apply.
After that, additional numbers cost 100+ Telos credits each.

No. Telos phone numbers are the property of Telos, Inc. We lease them to you with certain conditions and we reserve the right to revoke your number if those conditions aren’t met.
Telos phone numbers are expensive and limited so we assign them to serious users only.
You must use your Telos phone number at least once per month to keep it active. It doesn’t matter how you use it – make/receive calls or send/receive texts – as long as you use it.
Inactive phone numbers will be reassigned to other Telos users without notification or refund.

Yes.
You can easily set up call forwarding for any of your Telos phone numbers. Calls to a Telos phone number can be forwarded to any other phone number in any country.
Note: Call forwarding involves two calls. As a result, you will be charged for both the incoming call and the forwarded call.

Yes. Telos provides live and visual voicemail service.
You can easily set up voicemail for any of your Telos phone numbers and use the default voice greeting or record your own.

If both you and your contact are active on Telos, you have the option to push a button to talk. Your friend will immediately hear you and he can reply to you by pushing the same button in his Telos app…just like a real Second Phone Number.
The Telos Second Phone Number even works after you lock your phone.

PTT service from a cellular carrier such as Sprint Direct Connect is a very useful feature. However, you have to use a dedicated cell phone from that carrier and you have to be a paid subscriber.
Telos does away with all those restrictions and turns your smartphone into a PTT-enabled-device that can be used with any carrier. On top of that, Telos PTT is completely free of charge.

No! You can receive Push to Talk even when your Telos app is closed and your phone is locked.

Yes. You can add up to 100 users in one Second Phone Number conversation and any of them can instantly push to talk.

Telos credit is a virtual currency that you can use to make cheap calls or send cheap texts anywhere in the world.
You can earn free Telos credits from our sponsors or you can purchase Telos credits directly from us.

1. You can earn 1-3 Telos credits by watching a commercial video.
2. You can earn 2-3 Telos credits by sharing Telos with your Facebook friends or posting on Twitter.
3. You can earn 1-10 Telos credits for checking in on your Telos app at least once a day.
4. You can earn 20 Telos credits for inviting a friend to join Telos. The more friends who join, the more credits you earn.
5. You can earn 25 Telos credits just by joining Telos.
6. You can earn HUNDREDS of Telos credits by completing sponsored offers from our sponsors.
7. You can buy Telos credits directly from us.

For Apple devices, we only accept payment through iTunes.
For Android devices, we accept PayPal and credit card.

No! Telos credits are non-refundable.

Sponsored offers are hosted by our sponsors. If you didn't receive credits for completing an offer, please contact the sponsor for further details. Here’s how:
1. Open your Telos app.
2. Enter "Get Credits" screen.
3. Tap ""Complete an Offer" button.
4. Tap either “?” (in the upper right corner) or “Missing Credits” (at the bottom of an offer) to contact the sponsor.

Usually the sponsor will response you within 24 hours.
Note: Please DO NOT contact Telos about missing credits.

We take your privacy seriously. Your personal information will be securely guarded at all times. Please read the Privacy Policy for more information.

Not completely. Only the phone numbers and names of each contact in your address book are stored on the Telos servers. Personal information in your address book, such as addresses, company names and emails, etc are not used. Additionally, the stored phone numbers are encrypted in such a complex way that information extraction via malicious attack is virtually impossible. The phone numbers and names of your contacts are used to build your Telos friend list..

No. We care about user experience more than money.