CRM and CTI integrations · practice · 12 min full read
The desktop page says that whether you deploy Agent Desktop Plus or a pre-built CRM integration, you get the same underlying technology. It also describes the Agent Desktop Toolkit as REST APIs, reference UIs, and other tools to embed agent functionality in a custom CRM or another CRM.
Same technology is not the same screen. Plus is the Five9 screen. A prebuilt integration is the CRM screen. The toolkit is how you embed. Say which of the three you are looking at.