Hyelim Park Myungchul Kim Sooyong Lee Sungwon Kang Yongho Kim A mobility management scheme using SCTP-SIP for real-time services across heterogeneous networks. 196-200 2009 SAC http://doi.acm.org/10.1145/1529282.1529324 conf/sac/2009 db/conf/sac/sac2009.html#ParkKLKK09