Today’s competitive landscape for the fixed line operator is undergoing a radical change. To remain competitive, fixed-line operators must evolve existing TDM networks with a powerfull OSS/BSS and back office platforms , protect revenue streams, and bring to market new and innovative services. Read more

Istelia Network

Wholesale Voice Application Services


Start Up

Do you have a proven track record in sales or a database of potential customers?

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Telco Dealer

Want to control your own destiny? Why not take the next step and become a full service telco.

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Existing Telco or ISP

Whether you’re a reseller or an ISP, ISTELIA TELECOM WHOLESALE meets all your wholesale needs with a one-stop shop that can be tailored to fit to your business. It’s that simple.

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Expand Existing Business

ISTELIA TELECOM WHOLESALE enables you to fast track to the next level.

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Licensed Fixed Line Carrier Roitel Telecom and Istelia Telecom came to an agreement to carry Roitel’s own access number for Calling Card application through Istelia Telecoms Nation wide SS7 interconnect with Turkish Telecom.


Licensed fixed Line Telephony Operator T-Systems and Istelia Telecom came to an agreement for Istelia Telecom’s end to end Managed Services offering.


Istelia Telecom start offering 0812 access number through its ss7 interconnect with Turkcell under his MVNO license for two stage dialing from Mobile phones.


Istelia Telecom Completed the full ss7 interconnection with Turk Telecom, Turkcell , AVEA and Vodafone start offering wholesale voice termination and inbound call handling services.

Contact us

Istelia Inc.

Fulya mah. Vefa Deresi Sok. No:5 Gayrettepe Is Merkezi
B Blok Kat:2 Gayrettepe / Istanbul / Turkey

+90 (212) 272 29 00 Pbx

+90 (212) 272 39 00 Pbx