ery dynamic; there is no static truth! Some roles may disappear, many new roles will arise and we will also see a lot of mixtures of roles as long as it promotes business. Understanding Changing Telecommunications - Building a Successful Telecom Business Table 2.1 New roles for service providers Description ASP, HSP Application service provider and hosting service provider. They provide and host services, often physical, but also applications. See also the Role section in Chapter 4. Wireless application service provider is similar to ASP, but for wireless communication (mobile communication). Storage service provider providing storage services for programs and data including back-up services with extremely high safety. Data warehousing may also be offered, i.e. storing and management of data that can be used in the enterprise's business operations or for internal process management. Managed security services provider. Provision of firewalls, intrusion detection and monitoring of access attempts to the enterprise communications network and databases in order to detect and prevent hackers and crackers from access. Internet business service provider. Offers access and hosting of Internet-related services to small and medium enterprises (SMEs). Management service provider. Management of information systems (IS) including for example monitoring and operations. ESP (1) Enterprise service provider. Offers Internet services to enterprises. ESP (2) E-business service provider. Provision of services for e-businesses including e-commerce both B2B and B2C. E-mail and messaging service provider. Provision of services and support for e-mail, messaging and scheduling. Business service provider. Offers services such as reporting of activities, results of enterprises, accounting and human resource management. Development environment service provider. Offers software development environment and tools. Vertical service provider. Offers a complete service including in principle everything to run a certain service. Examples are servi