| 370 / | HD | MULTIPLEX COMMUNICATIONS | 
| 229 | DF | DATA FLOW CONGESTION PREVENTION OR CONTROL {3} | 
| 235 |  | .~ Flow control of data transmission through a network {3} | 
| 236 | DF | .~.~> Including signaling between network elements | 
| 237 | DF | .~.~> Congestion based rerouting | 
| 238 | DF | .~.~> Least cost or minimum delay routing |