A customer requests a configuration that enables users to easily add a third party to an existing call. The environment contains only three Cisco TelePresence C40 codecs and one Cisco VCS. To…

Cisco MultiWay requires an external MCU and a MultiWay-enabled dial plan on the VCS to invoke multipoint calls, infrastructure not present in this environment.

Cisco TelePresence Conductor is a resource management platform that orchestrates multiple MCUs and is unnecessary and unavailable in this simple three-codec environment.

Cisco TMS is a scheduling and management suite for TelePresence deployments and provides no capability to add participants to a live in-progress call.

Cisco Multisite is a licensed hardware-based multipoint capability built directly into C-series codecs such as the C40, enabling the endpoint itself to host a multipoint conference. Because the described environment contains only C40 codecs and a VCS with no MCU, Multisite is the only option that satisfies the requirement without adding new infrastructure, and it allows users to seamlessly add a third participant from the endpoint UI.

Cisco VCS Expressway provides firewall traversal and B2B connectivity for remote endpoints and does not add multipoint conferencing functionality.