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call-center/docs/architecture/asterisk-user-events.md
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Asterisk UserEvent Contract

Track 9 uses dialplan-generated UserEvent frames over AMI as the stable bridge contract between Asterisk and the platform.

The bridge listens only for UserEvent names starting with MVPCC.

MVPCCCallStarted

Required fields:

  • CallID
  • LinkedID
  • CallerNumber
  • CallerName
  • QueueCode
  • Extension
  • Context
  • Direction

Example:

Event: UserEvent
UserEvent: MVPCCCallStarted
CallID: 1740912000.12
LinkedID: 1740912000.12
CallerNumber: 1001
CallerName: Lab Caller
QueueCode: voice_lab
Extension: 7000
Context: from-softphones
Direction: inbound

MVPCCCallEnded

Required fields:

  • CallID
  • LinkedID
  • HangupCause
  • DurationSeconds

MVPCCRecordingReady

Required fields:

  • CallID
  • LinkedID
  • RemotePath
  • FileName
  • MimeType
  • DurationSeconds

Notes:

  • RemotePath is the absolute path on the Asterisk Linux VM.
  • The platform downloads the file over SFTP, then uploads it into recording-service.