Attached screen shot shows CCA.
Show ephone 7962
ephone-26[25] Mac:ACA0.16FD.6ABD TCP socket:[9] activeLine:0 whisperLine:0 REGISTERED in SCCP ver 17/17 max_streams=5 (tapi Client in ver 9/9)
mediaActive:0 whisper_mediaActive:0 startMedia:0 offhook:0 ringing:0 reset:0 reset_sent:1 paging 0 debug:0 caps:9 privacy:1
IP:10.1.1.12 * 39687 7962 sub=2 keepalive 177 max_line 54 available_line 5
Phone reports 5 Available Lines
button 1: cw:1 ccw:(0 0 0 0 0 0 0 0)
dn 35 number 3001 cfa 321097065332772 CH1 IDLE CH2 IDLE CH3 IDLE CH4 IDLE CH5 IDLE
UC560 running 8.0.2
