Toktumi is the company behind the Line2 iPhone

IPhone

The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

 app, which bypasses AT&T

AT&T

AT&T Inc. is an American multinational telecommunications corporation headquartered in Whitacre Tower, Dallas, Texas, United States. It is the largest provider of mobile telephony and fixed telephony in the United States, and is also a provider of broadband and subscription television services...

 and allows cheaper calls.

Services

Toktumi is a company that offers cloud communications services and a VoIP client for the desktop and smartphones. To learn more about the company, visit www.toktumi.com. To learn more about their popular iPhone

IPhone

The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

 VoIP client, visit www.line2.com. David Pogue

David Pogue

David Welch Pogue is an American technology writer, technology columnist and commentator. He is a personal technology columnist for the New York Times, an Emmy-winning tech correspondent for CBS News Sunday Morning, weekly tech correspondent for CNBC, and a columnist for Scientific American...

 of the New York Times has written about Line2.

The 16-bit sound coming thorough the phone is sent over Wi-Fi

Wi-Fi

Wi-Fi or Wifi, is a mechanism for wirelessly connecting electronic devices. A device enabled with Wi-Fi, such as a personal computer, video game console, smartphone, or digital audio player, can connect to the Internet via a wireless network access point. An access point has a range of about 20...

, except when none is available, then it goes through ATT's 3G. If the 3G signal is too weak it auto-switches to the regular ATT mobile phone service. An applicant receives a new phone number, and has the option to request a 800 number. You can also have your old number transferred. Line2 is the first app that can receive incoming calls via either Wi-Fi or cellular voice, so one gets the call even if the app isn't running. Line2's call-management features include visual voice mail and conference calling with up to 20 other people. Line2 also runs on the iPhone

IPhone

The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

iPod Touch

IPod Touch

The iPod Touch is a portable media player, personal digital assistant, handheld game console, and Wi-Fi mobile device designed and marketed by Apple Inc. The iPod Touch adds the multi-touch graphical user interface to the iPod line...

 the iPad

IPad

The iPad is a line of tablet computers designed, developed and marketed by Apple Inc., primarily as a platform for audio-visual media including books, periodicals, movies, music, games, and web content. The iPad was introduced on January 27, 2010 by Apple's then-CEO Steve Jobs. Its size and...

 and Android powered devices. The Line2 app's UI is very similar to the iPhone's native dialer app so the user does not have to learn a new behavior. The dialing pad, the Contacts list, the recent calls list and visual voice mail all look just like the iPhone's. However, currently, there is no support for SMS

SMS

SMS is a form of text messaging communication on phones and mobile phones. The terms SMS or sms may also refer to:- Computer hardware :...