{TAIL ~ The exemplary device} 30 further illustratively includes {HEAD ~ a display} 60 and a plurality of control keys including an “off hook” key 61, an “on hook” key 62, a menu key 63, and a return or escape key 64 
{ TAIL ~ The exemplary device } 30 further illustratively includes { HEAD ~ a display } 60 and a plurality of control keys including an “ off hook ” key 61 , an “ on hook ” key 62 , a menu key 63 , and a return or escape key 64
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH