Explicit indication of bearers subject to voice call continuity

摘要

A method, user equipment and a network entity are disclosed. The method comprises the steps of: determining which of a plurality of packet bearers carry voice media components for handover between a packet-switched network and a circuit-switched network to ensure voice call continuity; and notifying an entity that will said enforce voice call continuity for which of said plurality of packet bearers carry said voice media components.

主权项

1. A method, comprising:
determining, at a user equipment supporting a plurality of packet bearers available to the user equipment via a packet switched network, one or more packet bearers of said plurality of packet bearers carrying voice media components in conjunction with a voice call continuity procedure for a handover from the packet switched network to a circuit switched network to ensure voice call continuity; and sending a notification from said user equipment to an entity that will enforce said voice call continuity procedure using non-access stratum signalling, the notification indicating the one or more packet bearers determined to be carrying voice media components.