Voice and data networking is about the trends and technologies for merging voice and data communication on a single network. It is part of a broader 'multiservice networking' concept that combines all types of communication onto a single network. Evotec Limited installs these Systems for the purpose of transferring data from one network access point to another or more network access points through data switches, transmission lines and system controls. Data networks consist of communication systems such as circuit switches, leased lines, and packet switching networks. Networking technologies serve as the telecommunications backbone for universities and large institutions, and play an important role in their operations. The design, installation and operation of network systems was previously treated as a routine management task and was not considered a priority task.Evotec Limited we are doing the following things to cause changes in Network Technologies and to turn this technology into a dependency for Institutions and big companies in Tanzania;