CDR Reference

Every call detail record field available for webhook mapping, with source field names, examples and trigger policy.

CDR parameters

Parameter	Source field	Example	Description
`mobileNumber`	`CDR.dst`	9876543210	Destination number dialled.
`clid`	`CDR.clid`	OBD_001	Caller line identification presented.
`callBillsec`	`CDR.billsec`	20	Billable duration, answer to end.
`disposition`	`CDR.disposition`	ANSWERED	Final call result.
`hangupCause`	`CDR.hangupcause`	NORMAL_CLEARING	Textual hangup cause.
`digitsPressed`	`CDR.digitpressed`	1	DTMF digits captured.
`attemptNum`	`CDR.attemptnum`	2	Attempt sequence, 1 is the original.

Example receiver

Python

from fastapi import FastAPI, Request

app = FastAPI()

@app.post("/fonada/cdr")
async def receive(request: Request):
    cdr = await request.json()

    # Deduplicate: a pushback may be retried.
    key = (cdr["mobileNumber"], cdr["campaignName"], cdr["attemptNum"])
    if already_seen(key):
        return {"ok": True, "duplicate": True}

    # Acknowledge first, process asynchronously.
    enqueue(cdr)
    return {"ok": True}

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