Depending on the embodiment, {TAIL ~ the communications} collected can include live communications, archival communications, {HEAD ~ combinations} of live and archival communications other time dependent communications and other time independent communications 
Depending on the embodiment , { TAIL ~ the communications } collected can include live communications , archival communications , { HEAD ~ combinations } of live and archival communications other time dependent communications and other time independent communications
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH