The answering machine 10, wherein {TAIL ~ the extraction part} extracts caller ID information from {HEAD ~ a received dual tone multifrequency signal} 
The answering machine 10 , wherein { TAIL ~ the extraction part } extracts caller ID information from { HEAD ~ a received dual tone multifrequency signal }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD