---
title: "Success Stories | Enterprise Projects · Test Teknoloji"
description: "Test Teknoloji's success stories across sectors — from finance to hospitality, defense to retail. Real projects with Yeastar, Alcatel-Lucent and Grandstream."
url: https://test-teknoloji.netlify.app/en/success-stories
locale: en
---

# Success Stories

> Test Teknoloji's success stories across sectors — from finance to hospitality, defense to retail. Real projects with Yeastar, Alcatel-Lucent and Grandstream.

## Results speak louder than logos.

The list of organizations that chose us is impressive. But the real story is what we did in each sector. Here is one example from every vertical.

## Wyndham Grand & Decathlon (Yeastar P-Series)

Hospitality

Wyndham Grand Hotel and Decathlon Türkiye modernized their communications infrastructure with Yeastar P-Series Software Edition, delivered by Test Teknoloji. Linkus UC clients improved call quality and mobility, while secure Remote Access Service (RAS) reduced costs. The project was recognized with the "Customer Success Excellence" award at the Yeastar Yeahs Awards 2025.

Wyndham Grand Hotel, Decathlon Türkiye

★ Verified

## PBX infrastructure for a bank branch network

Finance & Regulated

We built uninterrupted, auditable PBX infrastructure for the head offices and branches of Türkiye's leading banks.

TEB, Commerzbank, Merkezi Kayıt Kuruluşu, Mercedes Finans

## Secure multi-site communications

Defense & Advanced Manufacturing

We built the high-volume, multi-site operational communications of defense and advanced manufacturing companies with a homegrown-product approach.

Baykar, Farplas, Beyçelik

## High-volume call center

Retail & E-Commerce

We delivered high-volume call center and omnichannel customer communications for retail and e-commerce.

Decathlon, Hepsiburada, Yves Rocher, Mudo

## Multi-campus communications network

Education

We built the multi-campus communications networks of universities and education institutions on a single standard, under centralized management.

Altınbaş Üniversitesi, Kültür Eğitim Kurumları

## Uninterrupted field-to-headquarters link

Energy & Industry

We built the resilient communications infrastructure connecting the field operations of energy, mining and industrial facilities to their headquarters.

Limak, Linde Gaz, Koza Altın