SIP signaling reference
What Kamailio and TelSys log for SIP — capture points, methods (OPTIONS, CANCEL, PRACK), response codes (481, 487), and how records reach the Debug SIP ladder.
What Kamailio and TelSys log for SIP — capture points, methods (OPTIONS, CANCEL, PRACK), response codes (481, 487), and how records reach the Debug SIP ladder.