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 have a few tips for you.
The Blog
How do we opt for VoIP?
Many companies favor VoIP phone services because of the expenses behind the landline and PBX network. Since VoIP is not based on independent; dedicated copper lines and works on your
Sigma Telecom is Ranked 1st in Bilişim 500 2019 awards
Bilişim 500 results for 2019 were announced at a virtual ceremony in the previous days and the top 500 IT Companies list of Turkey was announced. Sigma Telecom was ranked
China Mobile Already Reached 70 Million Active 5G Subscribers in China
China Mobile, one of the largest operators in the world, has already reached 70 million 5G subscribers in the first half of 2020. Although it is not surprising that the
A Historical Journey into the VoIP Industry with Sigma Telecom
VoIP (Voice Over Internet Protocol) is a method of sending voice/multimedia data over the internet. It provides sending voice data in packets across IP, instead of via traditional public switched
How to Improve Your Business with VoIP Technology
Forget copper wires and telephone devices! Today; you can make phone calls whenever and wherever by using any internet-connected device, preferably a headset, and Voice Over Internet Protocol (IP) networks.
Twitter Starts to Label Coronavirus Related Content with 5G
Many false claims about Coronavirus and 5G spread rapidly on social media, and as a result of these rumors, protests turned into a movement that especially caused physical violence against
New WhatsApp Feature: Conversation with a Business Using QR Codes
With the emergence of COVID-19, businesses across the world are building their businesses an online presence as it is proven that now people need easier ways to connect with businesses
VoIP Guide – SIP Error Codes – Sip-486 Busy Here
Welcome to Sigma Telecom VoIP Guide, where everything you need for a lucrative VoIP traffic is included, making your work easier with clues. Today's topic is Sip codes and Sip-486