---
title: "Automatically Apply Transaction Codes (Auto-TCL)"
slug: "auto-dialer-automatically-apply-transaction-codes-auto-tcl"
updated: 2026-07-23T10:07:13Z
published: 2026-07-23T10:07:13Z
canonical: "help.8x8.com/auto-dialer-automatically-apply-transaction-codes-auto-tcl"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.8x8.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Automatically Apply Transaction Codes (Auto-TCL)

**8x8 Contact Center** automatically assigns transaction codes to campaign calls when the destination party is not available to answer the call, or the call cannot be completed, such as when there is a busy tone or dead line. This feature also identifies the calls that are answered by a machine. Auto-TCL works with [Answering Machine Detection (AMD) service](/documentation/docs/auto-dialer-enable-answer-machine-detection-amd-service) to identify such calls and automatically disposition them. It then moves onto the next call with minimal agent disruption. This feature allows **8x8 Contact Center** agents to be more efficient with their time. Auto-TCL feature must be provisioned to the tenant. Administrators can then set it up in **8x8 Configuration Manager**.

If Auto-TCL is provisioned for your tenant, you can enable it at the campaign level.

**To set up Auto-TCL for campaigns:**

1. Log into **8x8 Configuration Manager** and go to **Campaigns**.
2. Click to edit or create a new campaign.
3. Under **Properties**, select **Automatically apply Transaction Code to System ended calls**. Transaction codes record the outcome of each interactions using codes such as "Answer machine detected", "Call rejected", "Mobile number blocked", "Temporary failure", etc.
4. Select **Override Mandatory Transaction Code selection** to let the system enter system-defined transaction codes such as "Blocked number", instead of the mandatory codes selected manually by agents. ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/auto-tcl02.png?sv=2026-02-06&spr=https&st=2026-11-03T22%3A39%3A33Z&se=2026-11-03T23%3A39%3A33Z&sr=c&sp=r&sig=bEJjV9eaz8RVto2f3NtoAjYVK0mTKXXNr6hmDSlKDDU%3D)

> [!NOTE]
> Note:
> 
> Auto-TCL supports campaign calls only.

In **8x8 Agent Console**, the call log or task under a customer logs the automatic transaction code such as "Answer machine detected".

![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/auto-tcl03.png?sv=2026-02-06&spr=https&st=2026-11-03T22%3A39%3A33Z&se=2026-11-03T23%3A39%3A33Z&sr=c&sp=r&sig=bEJjV9eaz8RVto2f3NtoAjYVK0mTKXXNr6hmDSlKDDU%3D)