Secondary Ring (The same telephone line is assigned an additional number with a different ring cadence. This is NOT another phone line, simply a different ring, also known as RingMaster or MultiRing)
Fax Voicemail (Stores faxes in voicemail for later access)
Call Trace (NOT Call return. User dials a code after an incoming call to send a trace to the # that called. User then must have phone company or annoyance call center get info on call. Used for annoyance calls.
Call Selector (Allows multiples ringtones for incoming numbers)
