To ring many doorbells in an effort to contact people and thereby spread information or solicit.
To ring many doorbells of (target people or an area) in an effort to contact people and thereby spread information or solicit.
A device on or adjacent to an outer door for announcing one's presence. It can be mechanical, directly sounding a bell, or a button that electrically sounds a chime or buzzer inside the building.
A button that activates an electric doorbell.
To call (someone) using a telephone.
A device for transmitting conversations and other sounds in real time across distances, now often a small portable unit also capable of running software etc.
A speech segment that possesses distinct physical or perceptual properties, considered as a physical event without regard to its place in the phonology of a language.