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Meet Dr Marian Croak, the Black woman who invented Internet voice calls through VoIP

Dr Marian Croak, PhD is credited for creating the technology called Voice Over Internet Protocol, or VoIP. VoIP allows for the delivery of voice communications and multimedia sessions over the Internet Protocol (IP) networks, such as the internet.

The mother of three, joined AT & T at Bells Labs in 1982. She advocated for switching from wired phone technology to internet protocol. She holds over 200 patents, including over one hundred in relation to voice over IP. She pioneered the use of phone network services to make it easy for the public to donate to crisis appeals.

With VoIP, instead of being transmitted over circuits —switched network, the digital information is packetized, and transmission occurs as IP packets over packet–switched network. They transport media streams using special media delivery protocols that encode audio and video.

Croak was inducted into Women Hall of Fame in Technology in 2013. She was elected as a vice chair of ATIS, a tech organisation. She was named the 2014 Black Engineer of the year award and Firece Wireless Most influential Women in wireless.

In 2014 she left AT&T to join Google, where she serves now as a vice president for engineering. 

You can also read about this Nigerian inventor

Max Chinnah a Black Inventor Creates a Smokeless Stove That Cooks Food and Charges Phones

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