• Sigma Telecom


  • We Set Our Limits High


    Learn More

  • Software


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

    Read More

  • What Is Cloud Pbx and How Does It Work?


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



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.


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.


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 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
GCCM Africa'19
Capacity Europe'19
Wholesale World Congress'19
previous arrowprevious arrow
next arrownext arrow

Be globally ahead

We have a few tips for you.

The Blog

Rich Results on Google's SERP when searching for 'qos' or 'quality of service'

Why Is QoS Important and How Does It Work?

QoS, which stands for Quality of Service, is a network traffic router established to provide equal, uninterrupted, and lag-free service to all users within the available bandwidth. Data streams divided

Rich Results on Google's SERP when searching for 'technology'

Advances in Technology and Healthcare Continues

A Useful Development That Will Leave BrainGate Behind For paralyzed people in the tech world, there has been a gold-worth development. There are many neurological diseases that make it difficult

Rich Results on Google's SERP when searching for 'osi model' and 'osi layer'

What is the OSI Model And Its Layers?

With the development of technology, it has become much easier to reach our loved ones. Whether it's seeing loved ones or for a work meeting, phones have become a part

Rich Results on Google's SERP when searching for 'cloud pbx'

What Is Cloud PBX and How Does It Work?

Easy access to staff, internet access instead of power supply, using more features with low cost, and feeling safe are very important for corporate companies. Physical telephone exchanges do not

Rich Results on Google's SERP when searching for 'diamond battery'

What Is a Diamond Battery and How Does It Work?

Thanks to the developing technology and modern life, efforts to eliminate the need to constantly charge mobile phones, planes, rockets, electric vehicles, sensors, and other devices are increasing. The growing

Rich Results on Google's SERP when searching for 'Pcap file'

Why Do We Need The Pcap File?

We have been shopping online to get our needs for many years. Groceries, clothing, household goods, and even the needs of our children... We buy with our computers or smartphones.

Rich Results on Google's SERP when searching for 'softswitch'

What is Softswitch and How Does it Work?

Switchboard operators, who initially routed telephone calls manually, replace automatic switchboards towards the end of the 1800s with the development of technology. Over the years, technology has progressed as follows;

Rich Results on Google's SERP when searching for 'robot vacuum'

The Most Popular Question of These Days: Should I Buy A Robot Vacuum?

The robot vacuum cleaner makes our life easier and preferred by those who have pets at home, who do not have a cleaning staff at the office, and who do