Today’s advances in unified communications platforms and cloud-based systems are unlocking the hidden potential for businesses of all sizes to consolidate services, streamline operations, reduce complexity and cut costs. However, the customer vision is often cut short by the network, physical limitations or regulatory restrictions of their current carrier. CallTower clears through these limitations by introducing the industry’s first seamless worldwide voice network. Purpose built to be the most capable, resilient, secure and expansive MPLS-based voice network, CallTower Network is the engine that enables CallTower to provide
enterprise-grade Global SIP trunking, hosted PBX, unified communications and contact centre services.

PSTN Connectivity

Geo-Redundant Applications Core

Transport Networks

Customer Applications