Voice Calls Solutions (VCS) is a privately held facilities-based Voice over IP carrier.
Voice Calls Solutions (VCS) was founded in 2003 with the focus on building a reliable VoIP network, capable of providing wholesale services to high volume customers. Today, Voice Calls Solutions (VCS) has completed 160 million calls over its long haul, self-healing SONET (Synchronous Optical Network).
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
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