Audio Messaging Interchange Specification
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Abbreviated as AMIS, the Audio Messaging Interchange Specification is a voice mail processing standard for call and voice processing.
AMIS enables an organization's locations to transfer and forward voice messages between systems while addressing the problem of how voice messaging systems produced by different vendors interact for the purpose of exchanging voice messages.
AMIS is a real time, in band message transfer method which uses a series of DTMF digits to indicate to and from information, Caller ID information and to signify the start and stop of the audio message. It is supported by the Nortel Call pilot system, among many others.
The AMIS standard was first published in 1992 by the Industry Information Association.