Guides

What is IPv6? In order to connect devices over the Internet, each device must have an Internet protocol (IP) address. The current IP system is Ver...

Be careful when placing collect or other operator-assisted calls. You or the party you’re calling may end up paying more than expected due to a sch...

Text-to-911 is the ability to send a text message to reach 911 emergency call takers from your mobile phone or device. However, because voic...

Will my U.S. mobile phone work in Cuba?Maybe. Your U.S. mobile phone will work in Cuba if your mobile phone is capable of roaming in Cuba and your mob...

Personal radio services are short-range, low-power radio communications using devices that operate much like walkie-talkies. Personal radio services ...

Toll free numbers are telephone numbers with distinct three-digit codes that can be dialed from landlines with no charge to the person placing the ca...

The high resale value of smartphones – along with the personal information contained on such devices – make them a prime target for criminals and...

When it comes to residential voice services offered by traditional telephone companies, the range of options and service offerings can be confusing. ...

Updating your smartphone's operating system when notified to do so helps patch security gaps and improve your device’s overall performance. However...

Millions of consumers use pre-paid cellphones through TracFone and its brands. For several years, TracFone sold only phones locked into its service, d...