| |
Model |
| Features |
M5316 |
M522 Add-on |
| MADN Capable |
yes |
yes |
| Multi-Line Compatible |
yes |
yes |
| Single Button Access |
yes |
yes |
| Programmable Feature/DN keys |
13 |
22 |
| Desk or Wall Mountable |
yes |
no |
| Feature/Line Indicator |
yes |
no |
| Hold & Release Key |
yes |
no |
| Last Number Redial* |
yes |
no |
| On-Hook Dialing |
yes |
no |
| Visual Message Waiting Indicator |
yes |
no |
| Volume Control for Speaker & Ringer |
yes |
no |
| Power |
AC |
no |
| CMS/CLASS Name & Number Capable |
yes |
no |
| Inspect Key |
yes |
no |
| Liquid Crystal Display (2 X 24) |
yes |
no |
| Power Key Feature |
yes |
no |
| Visual Ringing Indicator |
yes |
no |
| Call Timer |
yes |
no |
| M522 Meridian Mate Compatible |
yes |
no |
| Mute** |
yes |
no |
| Program Key |
yes |
no |
| Time/Date Display |
yes |
no |
| Volume Control for Handset |
yes |
no |
| Headset Capable |
yes |
no |
| Handsfree (Speaker Phone) |
yes |
no |