Assertion: phone system's feature | /r/HasProperty | needed
Facets:
Source sentences:
text: This plan enables customers to set up an unlimited amount of calling features like voicemail boxes, groups, and auto attendants; if features like conference suites and call queues are needed, they can be purchased a la carte.
text: If advanced features are needed, you only pay for the advanced features that are needed.
text: If advanced features are needed, you only pay for the advanced features that are needed.