Deutsche Telekom AG is a German telecommunications company headquartered in Bonn and is the largest telecommunications provider in Europe by revenue. It was formed in 1995 when Deutsche Bundespost, a state monopoly at the time, was privatized. Since then, Deutsche Telekom has consistently featured among FortuneMagazine's top Global 500 companies by revenue, with its ranking as of 2023 at number 79. In 2023, the company was ranked 41st in the Forbes Global 2000. The company operates several subsidiaries worldwide, including the mobile communications brand T-Mobile. It is the world's fifth-largest telecommunications company by revenue.
Mitel Networks Corporation is a Canadian telecommunications company. The company previously produced TDM PBX systems and applications, but after a change in ownership in 2001, now focuses almost entirely on Voice-over-IP (VoIP), unified communications, collaboration and contact center products. Mitel is headquartered in Ottawa, Ontario, Canada, with offices, partners and resellers worldwide.
Swisscom AG is a major telecommunications provider in Switzerland. Its headquarters are located in Worblaufen near Bern. The Swiss government owns 51% of Swisscom. According to its own published data, Swisscom holds a market share of 56% for mobile, 50% for broadband and 37% for TV telecommunication in Switzerland. Its Italian subsidiary, FASTWEB, is attributed 16% of private clients and 29% of the corporate clients share of Italian broadband and is also active in the mobile market.
Comverse Technology, Inc. was a technology company located in Woodbury, New York in the United States, that developed and marketed telecommunications software. The company focused on providing value-added services to telecommunication service providers, in particular to mobile network operators. Comverse Technology had several wholly or partly owned subsidiaries. The name "Comverse" is a fusion of the words "communication" and "versatility".
Allot Ltd., formerly Allot Communications, is an Israeli high-tech company that develops telecommunications software. The company is headquartered in Hod Hasharon, Israel.
Digi Communications N.V., also known as DIGI Group, is a Romanian telecommunications holding company, which also has businesses in Spain, Italy, Portugal and Belgium. The firm has current statutory seat in the Netherlands and headquarters of effective management in Romania. Digi was founded by Zoltán Teszári, who is the majority shareholder, and has been listed on the Bucharest Stock Exchange since May 16, 2017.
Vodafone GmbH is a telecommunications operator in Germany owned by Vodafone Group Plc and headquartered in Düsseldorf. It provides mobile phone, LTE, 5G, cable internet, landlines, cable TV, and IPTV services. As of the third quarter of 2021, Vodafone GmbH has more than 31 million mobile customers in Germany, making it the third-largest provider of mobile phone services in Germany. The company's headquarters are in the suburb of Heerdt in Düsseldorf, with regional offices throughout Germany. Vodafone Germany's main competitors are 1&1 Mobilfunk, Telekom Deutschland and Telefónica Germany.
Rich Communication Services (RCS) is a communication protocol standard for instant messaging, primarily for mobile phones, developed and defined by the GSM Association (GSMA). It aims to be a replacement of SMS and MMS on cellular networks with a communication system that is richer and modern. As for MMS, mobile data must be activated. Development of RCS began in 2007 but early versions lacked features and interoperability; a new specification named Universal Profile was developed and has been continually rolled out since 2017.
Gibtelecom is the largest telecommunications provider in the British overseas territory of Gibraltar. Its headquarters is located on John Mackintosh Square.
Telefónica Germany GmbH & Co. OHG (German pronunciation:[teləˌfɔnɪkaːˈdʒœːɐ̯məniː]; also called Telefónica Deutschland ) is a provider of broadband, landline and mobile telecommunications in Germany. The company trades as O2 (typeset as O2).
1&1 AG is a German telecommunications service and landline and mobile telecommunications provider headquartered in Montabaur, Rhineland-Palatinate and listed on the TecDAX. Since 2017, the majority of the company has belonged to United Internet.
ip.access Limited is a multinational corporation that designs, manufactures, and markets small cells technologies and infrastructure equipment for GSM, GPRS, EDGE, 3G, 4G and 5G. The company was acquired by Mavenir in September 2020.
Mavenir Systems was a software-based telecommunications networking provider based in Richardson, Texas that existed from 2005 to 2015. The company's software was aimed to deliver internet protocol (IP)-based voice, video, rich communications and enhanced messaging services to clients. Mavenir Systems provided service to approximately 120 mobile networks globally.
Multi-access edge computing (MEC), formerly mobile edge computing, is an ETSI-defined network architecture concept that enables cloud computing capabilities and an IT service environment at the edge of the cellular network and, more in general at the edge of any network. The basic idea behind MEC is that by running applications and performing related processing tasks closer to the cellular customer, network congestion is reduced and applications perform better. MEC technology is designed to be implemented at the cellular base stations or other edge nodes, and enables flexible and rapid deployment of new applications and services for customers. Combining elements of information technology and telecommunications networking, MEC also allows cellular operators to open their radio access network (RAN) to authorized third parties, such as application developers and content providers.
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.
The Telecom Infra Project (TIP) was formed in 2016 as an engineering-focused, collaborative methodology for building and deploying global telecom network infrastructure, with the goal of enabling global access for all.
Xura, Inc. previously known as Comverse, Inc., was a technology company headquartered in Wakefield, Massachusetts, United States, in existence from 2013 to 2017, that offered a portfolio of digital services which enabled global communications across a variety of mobile devices and platforms. Xura marketed and sold to communications service providers (CSPs) and to enterprises.
Altiostar is a company that provides open virtual radio access network (vRAN) technology. The company is headquartered just outside of Boston, Massachusetts, with offices in Japan, Italy, the U.K., Mexico and India. The company is a subsidiary of Rakuten. Founded in 2011 by President and CEO, Ashraf Dahod, Altiostar is focused on open, virtual RAN software that they claim can integrate operation of equipment from multiple vendors.
Cohere Technologies is a telecoms software company based in San Jose, California that develops technology for boosting the network performance of 4G and 5G spectrum in wireless networks. Cohere holds the patents for the Orthogonal Time Frequency Space (OTFS) 2D modulation technique used to improve the performance of 4G and 5G networks and is being considered as a waveform for the future 6G wireless standard.
