---
title: How can I check my version number?
slug: voice-german/how-can-i-check-my-version-number
createdAt: 2024-03-19T23:41:34.073Z
---

If you are unsure, which CTI Data Connector SoftPhone or CTI Data Connector - TAPI Link / CTI Data Connector - Skype for Business Link you have installed, just hover over the headline: **CTI Data Connector** in the CTI Data Connector SoftPhone application. The version number is displayed.

## SoftPhone version

The **first entry** with **SoftPhone** is the CTI Data Connector SoftPhone application version number. Latest version is **7.4017.13**.

## Connector or Server version

The **second entry** is the connector or Server version

•TLC (CTI Data Connector - TAPI Link). The latest version is **5.7.2. **For CTI Data Connector - Skype for Business Link the latest version number is 5.7.0).

•TLC x.x **(uaCSTA) **is displayed when an Desk Phone with Mirage uaCSTA Cloud Connect is used. This is for informational purpose only

::Image[]{src="https://helpserver.biz/onlinehelp/cdc/sf/5.0/help2000/images/open-cti-version.png" size="36" width="226" height="163" position="center" showCaption="false"}

**The CTI Data Connector SoftPhone application is updated regularly. We recommend checking for updates once per month.**