| ERROR | time-out in LISTEN while waiting for a message |
| CAUSE | The specified wait time has elapsed and there were no messages for any of the agents in the agent-list. |
| ACTION | Try the LISTEN call with an appropriate time-out. |
| ERROR | time-out in LISTEN while waiting for a message |
| CAUSE | The specified wait time has elapsed and there were no messages for any of the agents in the agent-list. |
| ACTION | Try the LISTEN call with an appropriate time-out. |