So an odd issue. From show voice call summary:
swt.316407#sho voice call sum
PORT CODEC VAD VTSP STATE VPM STATE
============== ========= === ==================== ======================
0/0/0 - - - FXSLS_ONHOOK
0/0/1 - - - FXSLS_ONHOOK
0/0/2 - - - FXSLS_ONHOOK
0/0/3 - - - FXSLS_ONHOOK
0/1/0 - - - FXSLS_ONHOOK
0/1/1 - - - FXSLS_ONHOOK
0/1/2 - - - FXSLS_ONHOOK
0/1/3 - - - FXSLS_ONHOOK
0/2/0 - - - FXOLS_BUSYOUT
0/2/1 - - - FXOLS_BUSYOUT
0/2/2 - - - FXOLS_BUSYOUT
0/2/3 - - - FXOLS_BUSYOUT
0/3/0 - - - FXOLS_BUSYOUT
0/3/1 - - - FXOLS_BUSYOUT
0/3/2 - - - FXOLS_BUSYOUT
0/3/3 - - - FXOLS_BUSYOUT
However calls are still going through. I suspect this is something cosmetic. Tried shut no shut on the port yet it remains.
Version is 15.2(1)T3
voice-port 0/2/0
trunk-group PSTN 1
cable-detect
connection plar 5001
caller-id enable
!
voice-port 0/2/1
trunk-group PSTN 2
cable-detect
connection plar 5002
caller-id enable
!
voice-port 0/2/2
trunk-group PSTN 3
cable-detect
connection plar 5003
caller-id enable
