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Comptel gets the phone company talking. Comptel mediation and provisioning software is used to exchange information between a telecommunications network and the operator's billing and customer service divisions. Comptel's InstantLink provisioning software activates new subscribers and services, while its EventLink mediation software collects subscriber usage data and sends it to the billing department. Its Convergent Mediation product -- used to rollout new services without the need for infrastructure upgrades -- can acquire information from any network and deliver it in the correct format. Other Comptel products are targeted towards mobile, fixed network, and cable operators.

Compuware Limited is anything but when it comes to offering a wide variety of software. The UK-based subsidiary of Compuware provides software for application development, IT systems management, quality assurance testing, and fault management. Compuware products can be integrated with technologies including Microsoft, Java, and IBM's WebSphere platform. Compuware also offers professional services such as application development, consulting, maintenance, implementation, IT management, and support. It has partnerships with systems integrators including Accenture, Cap Gemini, EDS, IBM Global Technology Services, and Siemens Business Services.

Covisint is a global leader in providing secure integrated access to information on multiple levels across multiple organizations through one common technology infrastructure. Companies of all sizes, locations, and technical capacities rely on Covisint to enable the secure sharing of vital business information, applications and business processes across their internal and extended enterprise to deliver innovative approaches in solving their business problems.Compuware-Covisint use an industry-centric approach that leverages deep expertise and state-of-the-art technology to address industry specific needs. Covisint bridges gaps created by dissimilar business systems, and adapts businesses to work with the myriad of business processes and technologies used by partners.

Comverse Technology helps others converse. Through multiple subsidiaries, CT makes communications systems and software that its customers use to offer call answering, billing, voice and fax mail, communications surveillance, and other services. Comverse also makes digital monitoring systems for call centers and telecom software for information processing. Subsidiary Ulticom provides software used to enable call switching, database, and messaging systems and manage number, routing, and billing data. The company's customers include more than 500 communication and content service providers in more than 130 countries, including BellSouth, Sprint Nextel, and Brazilian telecomm provider, Sercomte.

Comverse is conversant with communications technology. Comverse provides communication software and associated equipment. Its systems handle messaging, billing and accounts, call management, and data delivery services. Comverse also provides related services such as consulting, design implementation, interoperability testing, maintenance, support, and training. Comverse markets to wireline and wireless network service providers worldwide. Its customer list has included communications service providers such as AT&T, China Telecom, Deutsche Telekom, SingTel, Verizon Wireless, and Vodafone.

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