log in to shell…
‘asterisk -r’ this enters asterisk CLI
’core set verbose 0’ this turns dial plan logging off
’core set debug 0’ this turns system debugging off
’sip set debug ip x.x.x.x’ where x is source or destination IP you want to capture.
Now place your calls
‘sip set debug off’
‘exit’
Your capture is in var/log/asterisk/full