This article explains what the red LED on the 1183/5 Miro Audio Handset is for.
| LED Status | Meaning |
| Flashing Red | This indicates that the user has put the handset into mute mode, therefore it will not ring - This is an individual setting. how-to-adjust-the-volume-on-the-miro-audio-handset |
| Steady Red | This indicates that a door is open - This is a global setting and only works if the system has been connected for this function. |
