---
title: Tier 1 operator achieved 21% improvement in campaign  through Recommendation Engine
description: Here is a case study how a telecom operator achieved 21% improvement in upsell/cross-sell campaign effectiveness through Recommendation Engine.
image: https://info.subex.com/hubfs/Recommendation%20engine_casestudy.jpg
---

[![white-logo](https://info.subex.com/hs-fs/hubfs/white-logo.png?width=155&height=47&name=white-logo.png "white-logo")](http://subex.com)

# **Tier 1 operator achieved 21% improvement in upsell/cross-sell campaign effectiveness through Recommendation Engine**

Learn how the operator optimized their campaign and improve conversion rate

### Get the Case Study

© 2025  |  [Linkedin](https://www.linkedin.com/company/subex-ltd/)  |  [x](https://x.com/Subex)|  [Facebook](https://www.facebook.com/SubexLimited/)|  [Youtube](https://www.youtube.com/user/SubexLtd/)