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Inventor
MARTINEZ PERALLON ROSA MARIA
DE
2 patents
Patents
2 patents
US9185141B2
Nov 10, 2015
Managing roaming agreements between IMS networks
PERKUHN HEIKO
12 citations
79
US8687557B2
Apr 1, 2014
Managing user registrations of roaming IMS users
PERKUHN HEIKO
7 citations
79