Glossary. ACD: Wikipedia's name for a device that answers and distributes incoming calls to a group of agents. Not a Five9 field by itself. Automatic call distributor
Sister technologies. Salesforce Plus adapter. Named in the technical requirements, with Lightning CTI. Package 2.46 is a dated PDF figure. Technical requirements PDF
Config. Write which of the three paths a fictional site will use.
Troubleshooting. Nobody can say whose trunk it is. Label the path.
Cross-platform bridge. A mapping to another PBX or contact center is a teaching bridge. It is not an import button.
Future hook. The guide's cloud endpoint stays unset. Confirm before relying on a dated catalog or a case-study number.