A complete adnetwork Setup is possible with simply purchasing a complete package for OpenX. dJAX Adnetwork contains well versed modules and plugins to setup a complete Adnetwork using OpenX. OpenX has been highly successful and it has been used in many advertising platforms and Adnetworks.
Recent addition to OpenX like mJAX mobile ads Plugin has been a huge success as that can simply turn an existing OpenX into a mobile adnetwork.
Mobile ads plugin is also included in dJAX Adnetwork Package. Apart from this, it also contains various innovative ad formats, targeting options, reports & statistics, etc.
Complete details to setup a complete adnetwork can be found here.