Means are provided for wiring {HEAD ~ the device} to {TAIL ~ the microphone input} of the mobile phone set 
to
Means are provided for wiring { HEAD ~ the device } to { TAIL ~ the microphone input } of the mobile phone set
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH