IP-CAN (or IP Connectivity Access Network). Access Network that provides IP connectivity. The term is usually used in cellular context and usually refers to 3GPP Access Networks such as GPRS or EDGE, but can be also used to describe WLAN or DSL networks. It was introduced in 3GPPIP Multimedia Subsystem (IMS) standards as a generic term referring to any kind of IP based Access Network as IMS put much emphasis on access and service network separation.