Enhanced 911 is a system used in North America to automatically provide the caller's location to 911 dispatchers. 911 is the universal emergency telephone number in the region. In the European Union, a similar system exists known as E112 and known as eCall when called by a vehicle.
SK Telecom Co., Ltd., abbreviated as SKT is a South Korean wireless telecommunications operator and former film distributor and is part of the SK Group, one of the country's largest chaebols. It leads the local market with 50.5 percent share as of 2008. SK Telecom is the largest wireless carrier in South Korea, with 23 million subscribers as of Q4 2023.
Phone fraud, or more generally communications fraud, is the use of telecommunications products or services with the intention of illegally acquiring money from, or failing to pay, a telecommunication company or its customers.
SK Broadband, Inc. KRX: 033630, formerly known as Hanaro Telecom, is a Seoul-based telecommunications company and a wholly owned subsidiary of SK Telecom. It is one of the largest broadband Internet access providers in South Korea. Until its takeover in 2008, Hanaro controlled nearly half of the Korean landline market, as it was the only last mile-competitive local exchange carrier (CLEC) other than the state-owned KT Corp. SK Broadband also has a division known as "Broad &" that controls a large portion of the South Korean calling card market.
Level 3 Communications, Inc. was an American multinational telecommunications and Internet service provider company headquartered in Broomfield, Colorado. It ultimately became a part of CenturyLink, where Level 3 President and CEO Jeff Storey was installed as Chief Operating Officer, becoming CEO of CenturyLink one year later in a prearranged succession plan.
Allstream is a business communications provider based in Mississauga, Ontario, Canada, that provides Internet Protocol (IP) connectivity, managed IP services, unified communications and voice services to its customers in the United States and Canada.
ECI Telecom Ltd is an Israel-based manufacturer of telecommunications equipment that provides packet optical transport products, software-defined networking applications, cybersecurity and professional services.
A robocall is a phone call that uses a computerized autodialer to deliver a pre-recorded message, as if from a robot. Robocalls are often associated with political and telemarketing phone campaigns, but can also be used for public service, emergency announcements, or scammers. Multiple businesses and telemarketing companies use auto-dialing software to deliver prerecorded messages to millions of users. Some robocalls use personalized audio messages to simulate an actual personal phone call. The service is also viewed as prone to association with scams.
Lingo Management, LLC "Lingo" was founded by Vincent M. Oddo, and partners, in 2018 as a voice and broadband provider based in Macon, Georgia and headquartered in Atlanta, Georgia. Lingo is a global Cloud/UC and managed service provider providing IP-based voice and data, mobile services, and other managed services to the Business, Carrier, and Consumer markets. The Lingo name originates from the Lingo VoIP product line which operated under the Primus Telecommunications brand and later transitioned into a product line of Birch Communications with the acquisition of Primus Telecommunications in 2013. In May 2018, Birch Communications divided into two completely separate companies led by Fusion Telecommunications International, Inc. acquiring the Birch enterprise customer sectors. The remaining customer base formed what is now Lingo Communications, LLC or simply Lingo.
iBASIS is a communications provider based in Lexington, Massachusetts. iBASIS offers voice, mobile data, and IoT services. In February 2019, iBASIS was acquired by Tofane Global from KPN.
Iristel is a Canadian provider of telecommunication services that is a competitive local exchange carrier (CLEC). The company was founded in 1999 and is headquartered in Markham, Ontario.
EarthLink is an American Internet service provider.
Lexent Metro Connect was a New York City based neutral telecommunications provider that owned, operated, built and maintained its own dark fiber network in New York, Northern New Jersey, and surrounding areas. Based in New York City, Lexent provided services in the boroughs of Manhattan, the Bronx, Queens, and Brooklyn, as well as in Northern New Jersey. It had 150 fiber route miles and served over 200 commercial buildings.
Hammer Technologies Inc. is a privately held company which designs and manufactures service assurance testing and monitoring equipment for IP-based communications networks such as Voice-over-Internet-Protocol (VoIP), IP Multimedia Subsystem (IMS)-based, next generation network and 5G wireless networks.
Lightower Fiber Networks, founded in 2006, was a provider of telecommunications and IT services. It offered cloud computing, colocation hosting, and connectivity.
GTT Communications, Inc. (GTT), formerly Global Telecom and Technology, is a Network as a Service (NaaS) and Security as a Service (SECaaS) provider headquartered in Arlington, Virginia. GTT operates a Tier 1 IP network and provides Internet; wide area networking, SD-WAN; network security, voice and video transport services.
Mavenir Systems, Inc. is an American telecommunications software company, created in 2017 as a result of a three-way merger of existing companies and technologies, that develops and supplies cloud-native software to the communications service provider (CSP) market.
Zayo Group Holdings, Inc., or Zayo Group, is a privately held company headquartered in Boulder, Colorado, U.S. with European headquarters in London, England. The company provides communications infrastructure services, including fiber and bandwidth connectivity, colocation and cloud infrastructure. Zayo's primary customer segments include wireless carriers, national carriers, ISPs, enterprises and government agencies. Zayo Group was built largely through acquisitions; it took over thirty companies from 2007 to 2014, including AboveNet and 360networks. The company completed an initial public offering of stock raising $600 million in 2014. In 2020, Zayo Group was taken private by global investment firms EQT AB and Digital Colony Partners in a deal valued at $14.3 billion.
Sinch AB, formerly CLX Communications, is a communications platform as a service (CPaaS) company which powers messaging, voice, and email communications between businesses and their customers. Headquartered in Stockholm, Sweden, the company employs over 4000 people in more than 60 countries.
STIR/SHAKEN, or SHAKEN/STIR, is a suite of protocols and procedures intended to combat caller ID spoofing on public telephone networks. Caller ID spoofing is used by robocallers to mask their identity or to make it appear the call is from a legitimate source, often a nearby phone number with the same area code and exchange, or from well-known agencies like the Internal Revenue Service or Ontario Provincial Police. This sort of spoofing is common for calls originating from voice-over-IP (VoIP) systems, which can be located anywhere in the world.
