| { | |
| "states": [ | |
| "Idle", | |
| "Wait Control Reply", | |
| "Collision Handling", | |
| "Established", | |
| "Wait Stop Reply", | |
| "Wait Incoming Reply", | |
| "Wait Outgoing Reply", | |
| "Wait Connect", | |
| "Wait Disconnect" | |
| ], | |
| "initial_state": "Idle", | |
| "final_states": [ | |
| "Idle" | |
| ], | |
| "transitions": [ | |
| { | |
| "from": "Established", | |
| "to": "Wait Disconnect", | |
| "event": "Local Terminate", | |
| "action": "Send Call Clear Request" | |
| }, | |
| { | |
| "from": "Wait Disconnect", | |
| "to": "Idle", | |
| "event": "Timeout (60s)", | |
| "action": "Close TCP and release resources" | |
| }, | |
| { | |
| "from": "Idle", | |
| "to": "Wait Control Reply", | |
| "event": "TCP Open Indication", | |
| "action": "Send Start Control Connection Request" | |
| }, | |
| { | |
| "from": "Wait Control Reply", | |
| "to": "Collision Handling", | |
| "event": "Collision Detected", | |
| "action": "Handle collision (higher IP wins)" | |
| }, | |
| { | |
| "from": "Collision Handling", | |
| "to": "Wait Control Reply", | |
| "event": "TCP Termination from loser", | |
| "action": "Accept winner request" | |
| }, | |
| { | |
| "from": "Collision Handling", | |
| "to": "Established", | |
| "event": "Receive Start Control Connection Reply (Version OK)", | |
| "action": "Accept winner connection" | |
| }, | |
| { | |
| "from": "Wait Control Reply", | |
| "to": "Established", | |
| "event": "Receive Start Control Connection Reply (Version OK)", | |
| "action": "Establish control connection" | |
| }, | |
| { | |
| "from": "Wait Control Reply", | |
| "to": "Wait Stop Reply", | |
| "event": "Receive Start Control Connection Reply (Version Not OK)", | |
| "action": "Send Stop Control Connection Request" | |
| }, | |
| { | |
| "from": "Wait Control Reply", | |
| "to": "Idle", | |
| "event": "Timeout (60s)", | |
| "action": "Close TCP" | |
| }, | |
| { | |
| "from": "Established", | |
| "to": "Wait Stop Reply", | |
| "event": "Local Terminate", | |
| "action": "Send Stop Control Connection Request" | |
| }, | |
| { | |
| "from": "Established", | |
| "to": "Wait Stop Reply", | |
| "event": "Receive Stop Control Connection Request", | |
| "action": "Send Stop Control Connection Reply" | |
| }, | |
| { | |
| "from": "Wait Stop Reply", | |
| "to": "Idle", | |
| "event": "Receive Stop Control Connection Reply", | |
| "action": "Close TCP, return to Idle" | |
| }, | |
| { | |
| "from": "Idle", | |
| "to": "Wait Incoming Reply", | |
| "event": "Receive Incoming Call Request", | |
| "action": "Send Incoming Call Reply" | |
| }, | |
| { | |
| "from": "Wait Incoming Reply", | |
| "to": "Wait Connect", | |
| "event": "Receive Incoming Call Reply (Accept)", | |
| "action": "Wait for Incoming Call Connected" | |
| }, | |
| { | |
| "from": "Wait Connect", | |
| "to": "Established", | |
| "event": "Receive Incoming Call Connected", | |
| "action": "Confirm session establishment" | |
| }, | |
| { | |
| "from": "Wait Incoming Reply", | |
| "to": "Idle", | |
| "event": "Receive Incoming Call Reply (Reject)", | |
| "action": "Return to Idle" | |
| }, | |
| { | |
| "from": "Idle", | |
| "to": "Wait Outgoing Reply", | |
| "event": "Send Outgoing Call Request", | |
| "action": "Wait for PAC response" | |
| }, | |
| { | |
| "from": "Wait Outgoing Reply", | |
| "to": "Established", | |
| "event": "Receive Outgoing Call Reply (No Error)", | |
| "action": "Establish call" | |
| }, | |
| { | |
| "from": "Wait Outgoing Reply", | |
| "to": "Idle", | |
| "event": "Receive Outgoing Call Reply (Error)", | |
| "action": "Return to Idle" | |
| } | |
| ] | |
| } |