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The IP Multimedia Subsystem or IP Multimedia Core Network Subsystem (IMS) is a standardised architectural framework for delivering IP multimedia services. Historically, mobile phones have provided voice call services over a circuit-switched-style network, rather than strictly over an IP packet-switched network. Various voice over IP technologies are available on smartphones; IMS provides a standard protocol across vendors.
Telit Cinterion is an Internet of Things (IoT) Enabler company headquartered in Irvine, California, United States. It is a privately held company with key operations in the US, Brazil, Italy, Israel, and Korea.
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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. Hammer offers enterprise and carrier grade products as well as quality assurance products for network equipment manufacturers. Hammer is headquartered in Billerica, MA. On April 21, 2021, Hammer was acquired by Infovista, a Network automation software. Infovista, which is majority owned by Apax Partners France, today known as Seven2, said the deal “brings together a team of over 1,000 professionals serving over 1,700 customers across more than 150 countries, including 23 of the top 30 CSPs globally[1].”
Mindspeed Technologies, Inc. was an American fabless semiconductor company that designed, manufactured, developed, and sold integrated circuits for communications applications in wireless and wired networks.
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.
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.
Viavi Solutions Inc., formerly part of JDS Uniphase Corporation (JDSU), is an American network test, measurement and assurance technology company based in Chandler, Arizona. The company manufactures testing and monitoring equipment for networks. It also develops optical technology used for a range of applications including material quality control, currency anti-counterfeiting and 3D motion sensing, including Microsoft's Kinect video game controller.
Mosaik Solutions was a company that specializes in wireless coverage data and wireless coverage maps, based in Memphis, Tennessee before being acquired by Ookla.
Developing Solutions, Inc. was an independent software vendor (ISV) that provided application and network test products. Privately held, and headquartered in the Dallas-Fort Worth metroplex, Developing Solutions served telecommunications service providers and original equipment manufacturers (OEM).
Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.
References
- ↑ "Officers and directors".
- ↑ "Company Key Statistics".
- ↑ "Business Summary".
- ↑ "Sonus Networks Announces Definitive Agreement to Acquire Performance Technologies, Inc". Archived from the original on 2013-12-24. Retrieved 2013-12-21.
- ↑ "Company Full Description". Reuters . Archived from the original on 2013-12-20.
- ↑ "Sonus Networks Announces Definitive Agreement to Acquire Performance Technologies, Inc" (Press release). 13 December 2013.
- ↑ "Diameter to MAP Interworking: Ease Migration to LTE/EPC/Diameter Signaling and Protect Investment in Existing Network Infrastructure".
- ↑ "Signaling Market Leader – PT – Announces Next-Generation LTE/IMS Diameter Core and Edge Solutions". 14 July 2023.
- ↑ "PT Expands Xpress Product Portfolio with Next-Gen Telemarketer Guard Solution".
- ↑ "PT Introduces LTE and WiMAX Application-Ready Systems".
- ↑ "PT Wins Best of Show Award for Compelling New Monterey 8000". Archived from the original on 2013-12-20.
- ↑ "PT Achieves Supplier Excellence Award". Archived from the original on 2013-12-19. Retrieved 2013-12-19.
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