---
title: "Changes to Send Real-Time Text (T.140) on a SIP leg"
method: POST
path: "/legs/{id}/rtt"
---

# Changes to Send Real-Time Text (T.140) on a SIP leg

`POST /legs/{id}/rtt`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 67 revisions.

- **2026-05-11** `7ab34b92424f` — 1 info
- **2026-03-26** `d09c97c6ca8c` — 1 breaking

## Changes

- **2026-05-11** `7ab34b92424f` — 1 info
  - endpoint added
- **2026-03-26** `d09c97c6ca8c` — 1 breaking
  - api path removed without deprecation

---

[Operation](https://skmtc.dev/voiceblender/apis/voiceblender-api/docs/legs/:id/rtt/post.md) · [API](https://skmtc.dev/voiceblender/apis/voiceblender-api.md) · [Page](https://skmtc.dev/voiceblender/apis/voiceblender-api/changes/legs/:id/rtt/post)