Program Conference feature
From Zenitel Wiki
| Feature: | Simplex Conference |
| Default directory number: | 8200 - 8250 |
| Feature number: | 65 |
| Parameter 1: | 1-50 = Conference number. 0 = Conference Off |
| Description: | Listen to a Simplex Conference by dialling the channel number (default 8201 - 8250). Press M-key to talk into the conference. The conference is switched off by dialling 8200. |