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") ![](/images/getstarted-writetous-navbar-int_ZY7MOf.webp) ### Write to us Fill out our request form. Our experts will respond as soon as possible. [Write to us](/en/request-information "Write to us") ### Servers [Software and hardware servers](/en/get-started/cloud-telephony/lexicon/knowledge-base-detail/servers#section-3) [Various server models](/en/get-started/cloud-telephony/lexicon/knowledge-base-detail/servers#section-4) A server consists of hardware or software or a combination of the two that makes resources, services or data available to other computers or programs. The server system is generally accessed via a network such as the Internet. In order to provide needs-based services, the systems are equipped with special hardware, software or other suitable resources. Depending on the system, servers can be operated in a normal office or in a professional server room (computer centre). The systems often have redundant capacity so that any malfunctions of individual components do not affect the system as a whole. In addition, so-called load balancers ensure that the workload on the resources available is evenly distributed. When server systems make their services available via the Internet, this is often referred to as cloud computing. [Cloud telephone systems](/en/products/cloudya) are also classed as server services. ### Software and hardware servers The term “server” does not make a clear distinction between software and hardware. It often refers to computers on which services are made available. However, multiple software servers, such as mail servers, application servers or web servers, can be easily installed on one single server computer or server system. Server hardware is characterised by special features. These may include a large internal memory, large hard disk space, powerful CPUs or high I/O throughput and high reliability. In most cases, systems run 24/7. ### Various server models There are various types of server available. Virtual servers are not assigned to any particular hardware. They consist of multiple software servers that are installed on a host or host system and act like independent servers vis-à-vis the user. Dedicated servers, on the other hand, are assigned to a specific device or module. This means that the resources do not have to be shared with other server systems. A so-called shared server is one that is not intended for the exclusive use of a particular customer or for an individual task. [Back](#) ![NFON Logo](/assets/logo-nfon.svg) News * [Events](https://www.nfon.com/en/news/events) * [Press](https://corporate.nfon.com/en/communication/) Customers * [Cloudya Login](https://start.cloudya.com/auth/login) * [Admin Portal](https://admin.nfon.com/) * [NFON Status](https://status.nfon.com/) About NFON * [Corporate](https://corporate.nfon.com/en/) * [Investor Relations](https://corporate.nfon.com/en/investor-relations/ir-at-a-glance/) * [Sustainability & ESG](https://corporate.nfon.com/en/sustainability/) * [Career](https://corporate.nfon.com/en/careers/) Legal * [GTC-SLA](/en/legal/gtc-sla) * [Legal Notice](/en/legal/legal-notice) * [Trust Center](https://www.nfon.com/en/trust-center/) * [Data Protection](/en/legal/data-protection) * [Cookie Settings](javascript:onclick=UC_UI.showSecondLayer()) © 2026 - NFON | All rights reserved.