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Meet Marian Croak, the African-American Woman Who Created VOIP…the Technology Behind Skype, MagicJack and More

Marian Croak, an African American woman who invented VOIP which is also known as Voice Over Internet Protocol has been credited. The technology invented by this woman has allowed many all over the world to communicate effectively via video as well as audio while using the internet. This technology has proven to be very useful as even famous organisations like MajicJack, Skype, Vonage and the likes also indulge in the use of  VOIP.

| How Africa News

More than 125 patents and manages over 2,000 engineers

Marian, who holds a PhD in quantitative analysis from the University of Southern California, has more than 125 patents in VOIP technology. She has worked at AT&T for more than 30 years in data services, and is currently a Senior Vice President at the company. She manages over 2,000 world class engineers and computer scientists responsible for over 500 programs impacting AT&T’s enterprise and consumer wireline and mobility services.

Marian says that when the internet first become popular, she predicted that IP and the internet “were going to explode.” She thus felt a need to start developing technology that would “transform the internet”. And she did exactly that; She developed the fundamentals for what is now called VOIP.

What her accomplishments have led to

Now there is a billion dollar industry based on the technology. There are hundreds of companies worldwide that offer VOIP services. They started out by offering business models and technical solutions that mirrored the architecture of the legacy telephone network, but now the industry has evolved.

The concept of federated VoIP was born which allows dynamic interconnection between users on any two domains on the Internet when a user wishes to place a call.

With that technology, calls and SMS text messages can be sent over mobile data or Wi-Fi using VOIP phones (software-based softphones or hardware devices), personal computers and tablets.

Marian’s contribution to VOIP has literally taken the internet to a new level, but sadly most people have no idea who she is!

Watch her keynote speech during the 2017 Google’s Women Techmakers Summit:


Written by How Africa News

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