These regulations apply to new construction projects of mobile multimedia messaging and centers. Renovation and expansion projects shall be implemented with reference to these regulations on the basis of rational use of original facilities.
YD 5158-2007 history
2015YD 5158-2015 Design Specifications for Mobile Multimedia Messaging Service Center Engineering
2007YD 5158-2007 Provisional Specification of Engineering Design for Mobile Multimedia Messaging Service Center