Mobile IP telephony: mobility support of SIP. - Melody Moh; Gregorie Berquin; Yanjun Chen (ICCCN, 1999)

On mobile Internet telephony: mobility support of Signal Initiation Protocol (SIP). - Melody Moh; Gregorie Berquin; Yanjun Chen (ACIS Int. J. Comput. Inf. Sci., 2000)