• Sigma Telecom


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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.

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The Blog

6 Critical Questions and Answers About VoIP Business

If you are new in the VoIP Business or want to know some information about it then you on the right page. Let's start answering the questions about Voice Over

The Latest News About New Technologies, 5G, Telecom, Digital Payment

In a very near future we will talk about new technologies such as Industry 4.0, Internet of Things, Artificial Intelligence, Machine Learning, Big Data, Smart Gadgets, Augmented Reality, 5th generation

The Advantages of VoIP Phone System

Do you know the advantages of VoIP phone system that you are missing by not using? We can count many good points about the TDM but technology is growing and

3 Key Parameters to Monitor For a Perfect VoIP Traffic  

Here are the first 3 values to check for having the perfect VoIP traffic.  3 Keys For VoIP Traffic  1.High ACD - Average Call Duration - Value Average call duration

4 Tips For A Battery High Performance For VoIP Apps

Do you want a battery high performance while you are using VoIP applications? No worries! We have some useful tips to extend the battery life of your smart phone.  There are

IT500 - Bilişim 500 Ödülleri - Bilişim500

Bilişim 500 Awards – The 2nd Biggest Company

As Sigma Telecom, we achieved to be the second biggest company for income from services exported category at IT500 (In Turkish: Bilişim 500 Ödülleri). As the whole Sigma Telecom team,

True or False? 6 VoIP Myths And The Facts

Are you interested in VoIP business and doing some research about Voice Over Internet Protocol? Ok, but first you should really know that you will see some VoIP myths and

9 False Internet Facts History

Topic of the today is False Internet Facts History . Let's start to hunt the internet myths now! Internet Facts History 1. First, the internet was invented for military use