Service International Technologies, Inc (SIUSACN) is a high tech company, founded in San Francisco. We specializing in software development, advanced website design, e-commerce solutions for small and medium size business.

Sinocalling.com, a division of SIUSACN is a international prepaid calling cards services company. Sinocalling has positioned itself as one of the leading prepaid phone card companies in USA. The company offers the best calling cards and prepaid phone cards for domestic and international in the market. At Sinocalling we believe customer satisfaction is the key to the healthy business relationship, which is we guaranteed every card we sell.

A Sinocalling corporate calling card can significantly reduce your long distance costs. We offer a low rate on domestic calls, plus the most aggressive international rates anywhere.

Features:

• Superior quality
• No maintenance fee
• Toll Free access and Local access
• Friendly customer support
• Flexible payment methods
• Multiple languages