This disclosure relates to a method in a cellular telecommunications network, the cellular telecommunications network having a plurality of base stations each having at least one transmitter, each transmitter having at least one coverage area, the method including a first transmitter operating in a first state so as to transmit within a first coverage area according to a first cellular communications protocol only; receiving a request for service according to a second cellular communications protocol in the first coverage area; and, in response, the first transmitter operating in a second state so as to transmit within the first coverage area according to both the first cellular communications protocol and a second cellular communications protocol, wherein the second cellular communications protocol is an older generation than the first cellular communications protocol.