Oracle International Corporation

Agnivesh Kumpati

Arvind Kumar Singh

A method includes receiving, at a first I-CSCF of a cluster of I-CSCFs and from each S-CSCF in a cluster of S-CSCFs, a value indicating a registration capacity of the S-CSCF. The method further includes receiving, at the first I-CSCF and from at least one other I-CSCF in the cluster of I-CSCFs, outbound registration counts indicating numbers of outbound registrations that the at least one other I-CSCF has with the S-CSCFs in the cluster of S-CSCFs. The method further includes calculating, by the first I-CSCF and using the values indicating the registration capacities of the S-CSCFs and the outbound registration counts, values indicating updated registration capacities of the S-CSCFs. The method further includes using, by the first I-CSCF, the values indicating the updated registration capacities to select an S-CSCF for at least one outbound registration message.

Methods, systems, and computer readable media for exchanging outbound registration count information among interrogating call session control functions (i-CSCFs) and using the outbound registration count information for serving cscf (s-cscf) selection

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Telangana, India

Agnivesh Kumpati