TELES Communication Systems is a leading provider of equipment, solutions and services to fixed, fixed-mobile convergence and Next-Generation-Network (NGN) service providers. With more than 160 carrier network customers and millions of voice ports deploye
"Lensol Systems" is the young, effectively developing company having wide experience of realization of the terminal equipment and the software for the organization of communication systems with application of technology of packages switching (VoIP). Its o
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