Here's the latest.

This list will continue to evolve quickly in the near future. Someday, it will settle down.

*   Node info    
#   Disconnect – (EchoLink) Last station connected    
D   Disconnect – (EchoProducer) Last station connected    
00  Random connection - Any node    
01  Random link - Repeater or Simplex (-R or -L)    
02  Random conference - Any conference server    
03  Random user - Any computer user    
06  Query by node    
07  Query by call    
08  List current connections (status report)
09  Reconnect (last station connected)
10  Time
11  Play node information (hardware, etc.)
12  Play list of available node shortcuts
73  Disconnect all stations currently connected    
98  End radio test
99  Test your radio transmit and receive (5 minute default)
*1  Play Weather Exchange Conditions    
*2  Play Weather Exchange Forecast    
*3  Play Weather Exchange Warnings     Short    
*4  Play Weather Exchange Warnings     Summary    
*5  Play Weather Exchange Warnings     Long    
*6 Play National Weather Service 7 day Forecast for Lindon
*7 Play National Weather Service Short Term Forecast
*8 Play National Weather Service Hazardous Weather Outlook
*A  Play News 1
*B  Play News 2
*C  Play News 3
C1  Connect to Ireland conference
C2  Connect to Care Hub conference
C3  Connect to LDSHams conference
C4  Connect to World wide MARA conference