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General Information


San Francisco, USA
230 California Street
Suite 500
San Francisco, CA, 94111





Line2 designs, builds, and operates software-based phone services that capitalize on the rapid emergence of smartphones, tablets, and the cloud.

As this new paradigm changes how people work, play, and communicate, phone service needs to be smarter, more personalized, and device-independent. Line2 is making this happen with telecom services that improve productivity and protect privacy, offering a better work/life balance in a totally mobile world.

Line2 targets premium customers who require enterprise-grade quality and reliability, ranging from solo “pro-sumers” to medium-sized businesses. As the shift to BYOD takes off within enterprise, Line2 is finding new growth in the enterprise mobility market. Companies use Line2 to add a secure, cloud-based phone line to employee-owned smartphones and tablets, dramatically reducing telecom costs.

Line2 is a profitable, growing company based in San Francisco. We are always delighted to meet passionate software developers, systems engineers, and operations people interested in helping us disrupt a trillion dollar industry.

Recent Milestones

  • Check
    Line2 added Doug Brackbill as CEO. (2/1/14)
    Posted 2/21/14 at 1:16pm
  • Check
    Line2 — Line2 introduces a re-designed, re-vamped Android version, optimized for tablets and new smartphones. (3/29/13)
    Posted 4/2/13 at 2:15pm via
  • Check
    Line2 — Line2 adds to their growing list of business features with two-way texting for toll-free numbers (9/20/12)
    Posted 9/20/12 at 10:12am via
  • Check
    Line2 added Sha Fakiri as CEO. (6/1/12)
    Posted 6/23/11 at 6:02pm
  • Check
    Line2 added Peter Sisson as Founder. (9/1/06)
    Posted 12/10/08 at 11:30am



Line2 screenshot
Above: Call Handling Overview
Uploaded: 4/10/13
Line2 screenshot Line2 screenshot Line2 screenshot



Line2 adds a second number for calling and texting to your iPhone or Android, and turns your iPad or iPod touch into a full featured phone. Line2’s unique tri-mode calling technology allows you to call and text over WiFi, 3G data or cellular voice networks using the same number, and offers premium features like voicemail by email and conference calling.

Line2 allows you to easily separate your business and personal calls on one phone. The service has its own caller ID, voicemail, call history, and contacts. The Line2 Pro plan offers advanced features like auto-attendant, 6-number simul-ring, call screening, after-hours settings, and a desktop softphone.

Line2 screenshot
Above: Line2 iPhone VoIp Dial Pad
Uploaded: 8/2/10
Line2 screenshot
Above: Line2 iPhone Conference Calling
Uploaded: 8/2/10
Line2 screenshot
Above: Line2 iPhone VoIP Calling
Uploaded: 8/2/10



TipB Demo of Line2


NY Times Review of Line2 iPhone VoIP App


Line2 iPhone VoIP App Review - Larry Greenberg


Line2 for iPad Demo

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    Line2 adds to their growing list of business features with two-way texting for toll-free numbers ( [edit]
    Line2 launches Android update ( [edit]
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Last Edited 2/21/14

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