TERRATEL is a company providing services of designing embedded electronic and computing systems and telecommunication equipment: a full range of customized electronic design services of any complexity.
Our constant search for new technologies and solutions as well as our response to requests of our customers and continuous efforts to improve quality of our products and services allow us to be successful in tough competition on the market of the electronic designers and manufacturers and our track record proves this. .
We offer customized electronic design services ranging from developing the concept of a solution up to manufacturing the commercial prototype. This includes the following specific services:
• hardware design;
• firmware design;
• PCB layout design;
• planar transformer design.
SIPxchange is headquartered in Dallas Fort Worth providing wholesale carrier and business VoIP services. SIPxchange is part of the Worldcall Inc. family of companies supplying network services since 2004. Our facilities-based network carries over 50 milli
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