Sadiatec is one of the largest voice traffic provider companies in Japan. We transmit our calls via only premium quality Tier 1 providers. Due to our sizable traffic in wholesale minutes, we have some of the best international rates in the industry, and therefore are able to pass these savings to our clients. High ASR is the prominent standard of our system.

We provide following services to Telecom businesses on a whole-sale basis:

Prepaid International Calling Card Supply
All calling cards of Sadiatec Co. Ltd. are very popular due to it quality and price. We are always on the lookout for qualified re-sellers. Sadiatec Prepaid International Calling Cards can be used from any computer, making it possible to sell them worldwide.

Hosted Switch and Billing Solutions
We enable clients to own a complete Enterprise-grade Soft-Switch and Billing solution on a rental basis. This negates the need to buy expensive hardware, servers, software licenses and support. The new system is online within 72 hours of order placement.

Soft-Switch Customization
We also provide configuration, custom control panel development as well as onsite and online training for major commercial and open source VoIP services.

Corporate IP PBX Setup
We can provide hardware, installation and support for an IP PBX system, with very low cost in comparison to traditional PBX systems. Clients are also provided with a fully functional IVR, Voice Mail System, Caller ID identification etc. professional features. At least 80% of savings can be made on PBX and international calls (even local phone costs) by using our cost-effective and reliable services.

Mobile VOIP
We have mobile dialers for iOS & Android platforms, which allow users to make the cheapest international calls via WiFi and traditional mobile phone networks.