Sigma Telecom
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Sigma Telecom was founded in 2003 to provide high quality telecommunication infrastructure services.
19/09/2025
✨ Our Journey at WWC Madrid 2025 🇪🇸
What an amazing three days at the Wholesale World Congress!
Our team — .ofc , , and — proudly represented Sigma Telecom at Booth 107, Meliá Castilla and connected with incredible partners from around the world. 🌍
From Voice 📡 and SMS 💬 to eSIM 🌍 and Data 📊, WWC was all about creating opportunities, sharing ideas, and building the future of telecom together.
🤝 Thank you, Madrid — and thank you to everyone who met with us. The connections made here will go far beyond this congress!
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Avrupa Office, Atatürk Dist, Muhtar Hasan Street No: 1 Floor: 20, No: 74, 75, 76, 77, 34757 Ataşehir
Istanbul
34755
Opening Hours
| Monday | 08:45 - 18:00 |
| Tuesday | 08:45 - 17:00 |
| Wednesday | 08:45 - 18:00 |
| Thursday | 08:45 - 17:00 |
| Friday | 08:45 - 18:00 |
