A Mobile Digital Media Server (M-DMS) is a DLNA device, classed as a Mobile Handheld Device.
These devices are mobile wireless devices, that are capable of storing content and feeding it to other DLNA devices. In particular, M-DMS devices can push content to Mobile Digital Media Players (M-DMP), digital media renderers (DMR) and digital media printers (DMPr).
Such devices can include smartphones or portable media players. To find out whether a device is DLNA-Certified or not, check the packaging for the logo.
Other types of DLNA devices include...
Home Network Devices
Digital Media Server (DMS)
Digital Media Player (DMP)
Digital Media Renderer (DMR)
Digital Media Controller (DMC)
Digital Media Printer (DMPr)
Mobile Handheld Devices
Mobile Digital Media Player (M-DMP)
Mobile Digital Media Uploader (M-DMU)
Mobile Digital Media Downloader (M-DMD)
Mobile Digital Media Controller (M-DMC)
Home Infrastructure Devices
Mobile Network Connectivity Function (M-NCF)
Media Interoperability Unit (MIU)