A mobile telecommunications network including: a core network having content processing means (2060, 2070) 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 (700, 2003) having radio means configured for wireless communication with terminals registered with the telecommunications network, wherein the radio access network (700, 2003) includes a local source of content (741, 1100) configured to deliver content to a one of the terminals, characterised in that: the radio access network (700, 2003) is configured to copy a request for content that is used by the terminal to request content from the local source of content (741, 1100), 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 (741, 1100), synchronised with the local source of content (741, 1100), whereby the core network is aware of the content available at the radio access network (700, 2003) and is arranged to perform by the content processing means (2060, 2070) core network lawful interception and/or charging service functions to the content transmitted from the local source. a core network having content processing means (2060, 2070) 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 (700, 2003) having radio means configured for wireless communication with terminals registered with the telecommunications network, wherein the radio access network (700, 2003) includes a local source of content (741, 1100) configured to deliver content to a one of the terminals, characterised in that: the radio access network (700, 2003) is configured to copy a request for content that is used by the terminal to request content from the local source of content (741, 1100), 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 (741, 1100), synchronised with the local source of content (741, 1100), whereby the core network is aware of the content available at the radio access network (700, 2003) and is arranged to perform by the content processing means (2060, 2070) core network lawful interception and/or charging service functions to the content transmitted from the local source. the radio access network (700, 2003) is configured to copy a request for content that is used by the terminal to request content from the local source of content (741, 1100), 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 (741, 1100), synchronised with the local source of content (741, 1100), whereby the core network is aware of the content available at the radio access network (700, 2003) and is arranged to perform by the content processing means (2060, 2070) core network lawful interception and/or charging service functions to the content transmitted from the local source.