• Sigma Telecom


  • We Set Our Limits High


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  • 10 Reasons to Meet Our SMS Marketing Solutions to Grow your Business

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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.

We are connected with 500+ companies globally

Some Of Our Partners

And many more!

We are everywhere. Meet us!

Latest Events

GCCM Middle East'19
Capacity Europe'19
Wholesale World Congress'19
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The Blog

SMS Marketing - SMS - Smal Message Service

10 Reasons to Meet Our SMS Marketing Solutions to Grow your Business

Sigma Telecom provides high quality service to its customers in the field of SMS as well as VoIP. Here are 10 reasons for you to work with us in SMS

ASR - Average Success Rate - ACD - VoIP Terms

Average Success Rate – ASR – VOIP Terms and Definitions

In our VoIP guide, today's subject is ASR, Average Success Rate. In this article you will find detailed information about why ASR may be low, the reasons and the results.

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PDD of Post Dial Delay For VoIP – Meaning, Reasons, Solutions

Today we will talk about one of the most important issues of VoIP, PDD, in other words Post Dial Delay. PDD is one of the main reasons for other rates

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2019 VoIP Business Trends – Top VoIP-related searches on Google

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2020 VoIP Events, Conferences Calendar

After a very busy year for the VoIP, telecom sector and us, we have an upcoming year. During 2019, we attended many conferences around the world, and now we will

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VoIP Industry Facts by Numbers – 2019

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