ping

application ↔ voice

Measure application-layer latency and optionally echo arbitrary data.

Parameters

Field	Type	Presence	Constraints	Description
`t0`	`integer`	required	non-zero	Sender timestamp in epoch milliseconds.
`rtt`	`integer`	optional	—	Optional round-trip time measured by a previous ping.
`data`	`any`	optional	—	Optional arbitrary data echoed by the peer.

Field	Type	Presence	Constraints	Description
`t0`	`integer`	required	non-zero	Echo of the request sender timestamp.
`t1`	`integer`	required	non-zero	Transport receive timestamp in epoch milliseconds.
`t2`	`integer`	required	non-zero	Application handling timestamp in epoch milliseconds.
`owd`	`integer`	required	—	Estimated one-way delay in milliseconds.
`data`	`any`	optional	—	Optional arbitrary data echoed from the request.

{
  "t0": 1700000000000,
  "rtt": 42,
  "data": {
    "probe": "canonical"
  }
}

{
  "t0": 1700000000000,
  "t1": 1700000000010,
  "t2": 1700000000012,
  "owd": 5,
  "data": {
    "probe": "canonical"
  }
}