If you use the Auto intercom feature with an active Multiple Device Access (MDA) feature, the phone provides visual notifications of an auto intercom call. For the calling extensions, the phone visually notifies all the MDA devices. For the called extension, the visual indication on the phone appears if it has a matching auto intercom button with the calling extension. The following are the visual notifications for the auto intercom call when the calling and called phones have matching auto intercom buttons to call each other:
