Vinculum Communications has been offering international long distance services to carriers around the world since 2001. Our success is built around Vinculum’s robust international network that has been developed through partnerships and relationships in more than 200 countries. We currently provide service to approximately 250 global long distance carrier customers, and partner with more than 300 service partners around the world.
CRYSTAL VOICE is one of the leading VoIP wholesale telecommunication
service provider with unmatched voice traffic carrier across the
globe.