Patent ID: 8711733
Filing Date: 2014-04-29
Classification: H04L,H04M

Abstract:
1. A method of indicating to a node in an IP Multimedia Subsystem network a transfer between two endpoints the method comprising: at a node in a first network, determining that a communication session is to be transferred from a first endpoint to a second endpoint; including in a message an indication of at least one of the first and second endpoints and an explicit communication transfer indicator; and sending the message towards the node in the IP Multimedia Subsystem network via a gateway node, wherein the gateway node is arranged to map an indication of the type of transfer in the message to a parameter usable by the IP Multimedia Subsystem network to determine the type of transfer, and wherein to map the indication of the type of transfer comprises mapping an alerting type to a blind parameter value and an active type to a consultative parameter value.