Upon detecting user selection of the second contact object, a communication with the respective caller is initiated via {HEAD ~ a modality} corresponding to {TAIL ~ the second contact object} 
corresponding to
Upon detecting user selection of the second contact object , a communication with the respective caller is initiated via { HEAD ~ a modality } corresponding to { TAIL ~ the second contact object }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL