A mobile telecommunications network including: a core network having content processing means configured to provide a core network lawful interception and/or charging service functions relating to content provided to a terminal ; and a radio access network having radio means configured for wireless communication with terminals registered with the telecommunications network, wherein the radio access network includes a local source of content configured to deliver content to a one of the terminals , characterised in that : the radio access network is configured to copy a request for content that is used by the terminal to request content from the local source of content , and to forward the copy to the core network for use in obtaining the copy of the content of the local source of content; and the telecommunications network includes a database located in the Gi LAN, Gateway-Internet Local Area Network, , including a list of content of the local source of content , synchronised with the local source of content , whereby the core network is aware of the content available at the radio access network and is arranged to perform by the content processing means core network lawful interception and/or charging service functions to the content transmitted from the local source. a core network having content processing means configured to provide a core network lawful interception and/or charging service functions relating to content provided to a terminal ; and a radio access network having radio means configured for wireless communication with terminals registered with the telecommunications network, wherein the radio access network includes a local source of content configured to deliver content to a one of the terminals , characterised in that : the radio access network is configured to copy a request for content that is used by the terminal to request content from the local source of content , and to forward the copy to the core network for use in obtaining the copy of the content of the local source of content; and the telecommunications network includes a database located in the Gi LAN, Gateway-Internet Local Area Network, , including a list of content of the local source of content , synchronised with the local source of content , whereby the core network is aware of the content available at the radio access network and is arranged to perform by the content processing means core network lawful interception and/or charging service functions to the content transmitted from the local source. the radio access network is configured to copy a request for content that is used by the terminal to request content from the local source of content , and to forward the copy to the core network for use in obtaining the copy of the content of the local source of content; and the telecommunications network includes a database located in the Gi LAN, Gateway-Internet Local Area Network, , including a list of content of the local source of content , synchronised with the local source of content , whereby the core network is aware of the content available at the radio access network and is arranged to perform by the content processing means core network lawful interception and/or charging service functions to the content transmitted from the local source. <EOS>