---
title: "Changes to Dial"
method: POST
path: "/calls"
---

# Changes to Dial

`POST /calls`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 9 of 61 revisions.

- **2026-08-17** `1571b0380bd7` — 4 breaking
- **2026-08-04** `8f5f4e537994` — 4 breaking
- **2026-07-30** `919265dc7d98` — 1 info
- **2026-07-30** `924fbdb1e5a1` — 3 info
- **2026-07-23** `07249db24995` — 1 info
- **2026-07-22** `ce9e90fc16f3` — 3 info
- **2026-07-14** `389621791281` — 1 info
- **2026-07-13** `afc3349ad4f1` — 1 breaking, 2 info
- **2026-07-02** `224ed0d8a5c3` — 1 breaking, 2 info

## Changes

- **2026-08-17** `1571b0380bd7` — 4 breaking
  - the `webhook_urls/additionalProperties/` request property type/format changed from `string`/`uri` to `array`/``
  - the response's body type/format changed from `object`/`` to ``/`` for status `default`
  - the `errors/items/` response's property type/format changed from `object`/`` to ``/`` for status `default`
  - the `errors/items/code` response's property type/format changed from `integer`/`int32` to `string`/`integer` for status `default`
- **2026-08-04** `8f5f4e537994` — 4 breaking
  - the response's body type/format changed from ``/`` to `object`/`` for status `default`
  - the `errors/items/` response's property type/format changed from ``/`` to `object`/`` for status `default`
  - the `errors/items/code` response's property type/format changed from `string`/`integer` to `integer`/`int32` for status `default`
  - the `errors/items/source/pointer` response's property type/format changed from `string`/`json-pointer` to `string`/`` for status `default`
- **2026-07-30** `919265dc7d98` — 1 info
  - added the new optional request property `assistant/voice_settings`
- **2026-07-30** `924fbdb1e5a1` — 3 info
  - added `Reson8` discriminator mapping keys to the `transcription_config/transcription_engine_config` request property
  - added the new `Reson8` enum value to the request property `transcription_config/transcription_engine`
  - added `#/components/schemas/TranscriptionEngineReson8Config` to the `transcription_config/transcription_engine_config` request property `oneOf` list
- **2026-07-23** `07249db24995` — 1 info
  - added the new optional request property `route_to_mobile`
- **2026-07-22** `ce9e90fc16f3` — 3 info
  - added `Humain` discriminator mapping keys to the `transcription_config/transcription_engine_config` request property
  - added the new `Humain` enum value to the request property `transcription_config/transcription_engine`
  - added `#/components/schemas/TranscriptionEngineHumainConfig` to the `transcription_config/transcription_engine_config` request property `oneOf` list
- **2026-07-14** `389621791281` — 1 info
  - added the new optional request property `retry_on_timeout`
- **2026-07-13** `afc3349ad4f1` — 1 breaking, 2 info
  - removed the enum value `parakeet/tdt-0.6b-v3` of the request property `transcription_config/transcription_engine_config/oneOf[subschema #9: Transcription engine Parakeet config]/transcription_model`
  - the `transcription_model` request property default value changed from `parakeet/tdt-0.6b-v3` to `nvidia/parakeet-v3`
  - added the new `nvidia/parakeet-v3` enum value to the request property `transcription_config/transcription_engine_config/oneOf[subschema #9: Transcription engine Parakeet config]/transcription_model`
- **2026-07-02** `224ed0d8a5c3` — 1 breaking, 2 info
  - removed the enum value `nvidia/parakeet-v3` of the request property `transcription_config/transcription_engine_config/oneOf[subschema #9: Transcription engine Parakeet config]/transcription_model`
  - the `transcription_model` request property default value changed from `nvidia/parakeet-v3` to `parakeet/tdt-0.6b-v3`
  - added the new `parakeet/tdt-0.6b-v3` enum value to the request property `transcription_config/transcription_engine_config/oneOf[subschema #9: Transcription engine Parakeet config]/transcription_model`

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/docs/calls/post.md) · [API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) · [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/calls/post)