Global PSTN: Give Your Communications Platforms a Voice

CallTower’s Cloud Voice Hub is a purpose-built solution that integrates cloud collaboration, unified communications (UC), and contact center tools with secure, certified PSTN connectivity, enabling a complete enterprise telephony solution.


Purpose-Built Cloud Collaboration


Enterprise Benefits

  1. Global PSTN Consolidation:
    • Local PSTN coverage in the Americas, EMEA, and APAC.
    • Local DID numbers and number portability in 80+ countries.
  2. Single Source Provider:
    • Certified provider for PSTN management.
  3. Multi-Platform Integration:
    • On-net coordinated calling across platforms.
  4. Simplified Infrastructure:
    • CallTower Cloud SBCs eliminate the need for customer SBCs.
  5. Reliability:
    • Zero-outage, globally redundant enterprise service.

Key Features


Complete PSTN Service Features


Certified Solutions


Conclusion

CallTower’s Cloud Voice Hub provides a seamless, certified, and globally redundant PSTN solution, enabling businesses to consolidate and optimize their communication platforms while ensuring flexibility, reliability, and cost efficiency.