• Sigma Telecom

    EXPERTS IN TELECOM AND MOBILE INDUSTRY

  • We Set Our Limits High

    VoIP IS OUR BUSINESS

    Learn More

  • Software

    SOLUTIONS BEYOND AGE

  • Sigma Group has moved to a new office location in Istanbul – Atasehir

    Read More

We Are


Sigma Telecom. Founded in 2003 to provide advanced telecommunication infrastructure services including; optimization, planning and drive testing.

We Do


High quality and exclusive voice and SMS service; provided by our team of experts. Alongside software and mobile solutions; for both iOS and Android platforms.

We Achieved


Connections with over 500 companies globally, 400M+ minutes of voice carried per month, recognized amongst the biggest mobile operators in Turkey and a sector member of International Telecommunication Union (ITU).

Indispensable Values That Describe Us

Values


Diversity


At Sigma, we have a fully dedicated, self-motivated, multi-national team. Hailing from all around the world; bringing new cultures and points of view to our company. This diversity allows us to see things from a wider perspective.

Being A Lifetime Learner


For a Sigma employee, learning is a process that never ends. We know that we have a lot to learn from our partners and each other about business and life itself. For this reason, Sigma Telecom invests in its employees' education to improve its talents and promote lifelong learning.

Innovation


We gain from the combination of our unique diversity and education which leads to our irresistible passion for innovation. We love to use advanced approaches and focus on a variety of aspects to create modern and exciting projects.

Right-Minded


We are fair to our employees, business partners and customers. We care about the relationships that we have. This formula has allowed Sigma Telecom to make long lasting and mutually beneficial business partnerships.

Services


Services that 100% guarantee reliable and lucrative partnerships lead to absolute success. We provide first class telecom services, with 24/7 NOC support. Our added value & continuous support deliver a great experience for our partners and we love to exceed these expectations.

We are connected with 500+ companies globally

Some Of Our Partners


And many more!

We are everywhere. Meet us!

Latest Events


GCCM EUROPE'20
GCCM Middle East'19
AfricaCom'19
GCCM AFRICA'19
Capacity Europe'19
Wholesale World Congress'19
previous arrowprevious arrow
next arrownext arrow
Shadow
Slider

Be globally ahead


We have a few tips for you.

The Blog


Sigma Group has moved to a new office location in Istanbul – Atasehir

When we started this business in 2003, the number of people under the umbrella of Sigma Telecom were only a few. Now, we are a big family as Sigma Group

Apple WWDC 2020 Highlights – New Features to Come with iOS 14

Last Monday, Apple introduced iOS 14 at the WWDC 2020 conference and introduced new features. Although innovations are radical within the brand, many features were previously presented to users on

5G subscribers - Ericsson - Mobility Report

Current 5G subscribers forecast from Ericsson; 2.8 bln in 2025

Ericsson, one of the telecom giants, has updated its estimates regarding the number of 5G subscribers. Although the spread of 5G in Europe slows down in the pandemic period, the

ITW 2020 - VoIP Conferences

We will be Online to Meet our Partners at Virtual ITW 2020

Due to the epidemic, ITW will be held online this year and we will take our place in Virtual ITW 2020 as always. We look forward to this different experience

T-Mobile - Connecting Heroes

T-Mobile Launched the “Connecting Heroes” Free Broadband Project

T-Mobile, one of the world's giant operators, launched a revolutionary social responsibility project in USA called Connecting Heroes which let first responders use free 5G broadband internet.  What does the

The iPhone 11 was the best selling smartphone in Q1 2020

iPhone 11 was the subject of controversy with the design of its rear camera when it was first introduced in 2019. The new design, which has radical lines for the

Why is 2Africa Undersea Cable Project so Important for Africa?

A big connectivity project is on the way to the African continent. The 16 African countries announced so far will be connected to the rest of the world with cables

Cellular Data - Wi-Fi

We have gigabytes of cellular data to spend, but can we?

The effects of the Coronavirus epidemic began to emergemore rapidly  when the world was in the transition to the new normal order. Some of our habits naturally changed during this