After Avaya Aura® Messaging (AAM) answers a call Avaya Aura® Communication Manager (CM) will initiate a shuffle of the media path if possible to establish a direct media path between the IP endpoint…

After Avaya Aura® Messaging (AAM) answers a call Avaya Aura® Communication Manager (CM) will initiate a shuffle of the media path if possible to establish a direct media path between the IP endpoint and AAM. Which SIP message is sent by Avaya Aura® Communication Manager (CM) to AAM to initiate the shuffle?