A delegation component can automatically route the instant messaging session to a delegate for receipt of {HEAD ~ the instant messaging communication} based upon {TAIL ~ a rule} 
based upon
A delegation component can automatically route the instant messaging session to a delegate for receipt of { HEAD ~ the instant messaging communication } based upon { TAIL ~ a rule }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL