https://www.cisco.com/c/en/us/support/docs/collaboration-endpoints/telepresence-sx-series/200077-Configure-and-Install-Speaker-Track-to-w.html
Configure and Install Speaker Track to work with C40/C60/C90 and SX80 Codec - Cisco
This document describes how to install and configure Speaker Track to work with C40/C60/C90 and SX80 Codec.