@techreport{niccolini-sipping-siphandover-05,
    number =    {draft-niccolini-sipping-siphandover-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-niccolini-sipping-siphandover/05/},
    author =    {Saverio Niccolini and Stefano Salsano and Haruki Izumikawa and Ross Lillie and Luca Veltri and Yoji Kishi},
    title =     {{Requirements for vertical handover of multimedia sessions using SIP}},
    pagetotal = 14,
    year =      2008,
    month =     nov,
    day =       3,
    abstract =  {A vertical handover occurs in heterogeneous networks when a session media is moved among different access network technologies within the same device. This document analyses the issue of handling the vertical handover using the Session Initiation Protocol (SIP) {[}1{]}.},
}