Roaming

Wireless telecommunication term An SMS welcome to Proximus (Belgium) customers who have roamed onto T-Mobile (now EE) in the UK Roaming is a wireless telecommunication term that typically refers to a mobile phone or mobile device being used outside the range of its native network and connecting to another available cell network. Technical definition In more technical terms, roaming refers to the ability for a cellular customer to automatically make and receive voice calls, send and receive data, or access other services, including home data services, when travelling outside the geographical coverage area of the home network, by means of using a visited network. For example: should a subscriber travel beyond their cell phone company's transmitter range, their cell phone would automatically utilize another phone company's service, if available. The process is supported by the Telecommunication processes of mobility management, authentication, authorization and accounting billing procedures (known as AAA or 'triple A'). Roaming in general Roaming is divided into "SIM-based roaming" and "username/password-based roaming", whereby the technical term "roaming" also encompasses roaming bet