Telos 3002-00083-000 - VXs Single Acoustic Echo Cancellation Instance Feature (Instances 1+) - Container Deployment - Permanent LicenseOne Acoustic Echo Canceller instance. This part number is used for the first and greater AEC instances of a VXs system; no maximum quantity per license. Telos Alliance first introduced broadcasters to the benefits of VoIP a decade ago, with our first VoIP phone system, Telos VX. VX replaced racks of phone couplers, contribution hybrids, and engineering coordination lines with a single hardware VoIP Engine. Now, Telos VXs is here to help broadcasters