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).
Asterisk PBX, Asterisk Billing (A2Billing), VOIP, Linux OS, Servers. OpenSER, SER, FreeRadius, Mediaproxy, Asterisk Billing (A2Billing), Radius Billing,VOIP, Linux OS, Servers.
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