| Check Key System Information | ||
| CHECK + | Display | Description |
| INTERCOM | Extension xxx | The telephone's extension number. |
| Station:xxx | The telephone's station port number. | |
| Slot:x Port:x | The slot to which the extension is connected, and the port on the card in that slot. | |
| V-MAIL | IntraMail Version x.xx | The IntraMail prompt set version number. |
| Ports:x Type:Pro | The number of IntraMail ports installed, followed by the IntraMail Type (Pro or Standard). | |
| Lic Code: | The 13-character IntraMail license code. If you want to upgrade your IntraMail, you'll need to provide this code. | |
| DND | IP:xxx.xxx.xxx.xxx | The IP address of the system to which the telephone is connected. |
| GW:xxx.xxx.xxx.xxx | The system's gateway (router) address. | |
| DHCP:xxx | The DHCP status: On, Off, or On (Manual IP). | |
| CONF | VoIP | The VoIP installation status: Installed or Not Installed |
| Ports: | The number of licensed VoIP ports. | |
| Lic Code: | The 13-character VoIP license code. If you want to add VoIP ports to the system, you'll need to provide this code. | |
| HOLD | DSX-xxx x.xx.xx | The system type (40, 80, or 160) and the software level. |
| Installed | The system installation date. | |
| Sys Code: | The 13-character system code. If you lose the level 3 system password or otherwise get locked out, you'll need to provide this entry so you can get an unlock code. | |