Post-call summary

Evio

A structured account of what happened on a call, written into the system of record rather than left in a recording.

What is a post-call summary?

A post-call summary is a structured account of what happened on a call, written into the system of record. It carries the outcome alongside the commitments made on either side, in a form a colleague can act on without listening to the audio. The recording remains the evidence, where the summary is what the organisation actually uses.

Also called: Call disposition summary

Why the summary is the part of the call that gets acted on

The summary is the only part of a voice deployment that most of the organisation ever sees. A supervisor reading a queue of two hundred of them is deciding from the summary alone, and will reconcile against a recording perhaps once a week. That makes a confidently worded summary of a misheard call more damaging than the mishearing itself. Anything the summary asserts has to be traceable to a timestamp in the audio, or the organisation is acting on a paraphrase it cannot check.

  • Downstream teams act on the summary and almost never open the recording.
  • A field written with false confidence propagates into the customer record.
  • Structured fields let a summary be queried, where free text cannot be.
  • Linking each assertion to a timestamp makes the summary checkable in seconds.

How a post-call summary works

  • The transcript is assembled with speaker labels and timestamps retained.
  • A schema defines the fields the downstream process requires from every call.
  • Each field is extracted with a reference to the audio segment supporting it.
  • Fields the call did not establish are returned empty rather than inferred.
  • Low confidence extractions are flagged for review before the record is updated.
  • The summary is written to the system of record with a link back to the audio.

How a post-call summary is evaluated

A summary is judged against the recording rather than against how well it reads. Measure the following on calls sampled after the fact:

  • field level accuracy against a human reading of the recording
  • rate of asserted facts the audio does not support
  • share of fields left empty where the call did establish them
  • proportion of assertions carrying a timestamp reference
  • time a supervisor needs to verify one summary

Limitations, risks and common failure modes

  • A fluent summary of a misheard call is trusted more than a hesitant accurate one.
  • Models infer a plausible outcome for calls that ended without one.
  • Schema changes leave historical summaries unqueryable for the same field.
  • Nobody samples summaries against audio once a deployment is considered stable.

All 315 terms