Responsive to a search query received from a remote user device, retrieve one or more channel based communication and engagement objects (CBCEO). Each CBCEO comprises a primary communication channel which is associated with an enterprise data source. Each primary communication channel facilitates electronic communication between the respective enterprise data source of the primary communication channel and users. The one or more retrieved CBCEO are integrated into an advertising unit of a data source. The advertising unit is rendered on a display page by the data source to a display of the user device. An enterprise data source is selected via the one or more CBCEO of the rendered advertising unit from the user device and a secure bidirectional conversation is established. The secure bidirectional conversation comprises an exchange of messages between the user device and the enterprise data source through a primary communication channel of the enterprise data source.