Wake-up calls and messages entered in OPERA are sent to the PBX or TV system, which executes them and reports the result back.
| Record | Direction | Common fields |
|---|---|---|
| WR | OPERA → PBX | RN, DA, TI (wake-up time) |
| WC | OPERA → PBX | RN, DA, TI |
| WA | PBX → OPERA | RN, DA, TI, AS (answered or not) |
Set WR|RN1203|DA261021|TI063000|
Result WA|RN1203|DA261021|TI063000|ASOK|
Always report unanswered wake-ups so the front desk can follow up.