Method of changing over from a primary HSS to a backup HSS in an IP network
JC Le Rouzic, J Doree - US Patent 9,021,300, 2015 - Google Patents
A method is provided for changing over from a primary home subscriber server (HSS) to a
backup HSS in an IP network, said network having a plurality of call server control function …
backup HSS in an IP network, said network having a plurality of call server control function …