Enterprise Voice, Natively Integrated
CallTower’s Webex Cloud Connected PSTN (CCP) integrates enterprise-grade telephony directly into Cisco’s Webex platform – delivering a unified, reliable voice for organizations with complex communication requirements. Designed for high-DID environments such as hospitals, universities, call centers, retail operations, and multisite enterprises, CallTower’s Webex CCP scales seamlessly as business needs evolve.
By the Numbers
24+ years of experience
Global coverage across multiple regions
Certified Cloud Connected PSTN Provider for Webex Calling and Webex Contact Center
Built for Enterprise Voice
CallTower delivers native Webex Calling through its role as a Certified Webex Cloud Connected PSTN (CCP) Provider, pairing Cisco’s Webex platform with enterprisegrade PSTN and deep deployment expertise.
Call Manager → HCS → Webex Calling
Native Webex Calling cloud architecture with CCP-certified PSTN
Scalable support for highDID, complex business environments
Enterpriseready for multisite, multi-country organizations
Trusted by enterprises with demanding communication needs
Lower Deployment Risk • Faster Cutovers • Enterprise Credibility
More Than the Basics
CallTower extends Webex CCP with capabilities designed for modern, high-performance collaboration:
Global PSTN connectivity for Webex users, no separate phone system required
Scalable DID management for hospitals, universities, call centers, and retail environments
Webex Contact Center integration for a unified customer experience
AIpowered features including transcription, sentiment analysis, and virtual assistants
Secure and compliant communications aligned with enterprise and regulatory standards
Higher Call Quality • Better Adoption • LongTerm Success
White Glove Deployment
Complex environments demand expert execution. CallTower manages Webex CCP deployments endtoend to simplify operations and ensure success:
Dedicated project management
Global number provisioning and DID scaling
Seamless cutovers with minimal disruption
24x7x365 expert support
Fewer Escalations • Faster GoLives • Predictable Outcomes
Resiliency Built In
CallTower designs resiliency directly into Webex CCP services to ensure reliable communications in always-on environments:
Redundant call routing and failover
Support for missioncritical operations
Built for continuous uptime across locations
Designed to support evolving organizational demands
Operational Resilience • Business Continuity • AlwaysOn Voice
Why CallTower for Webex CCP
CallTower understands the challenges of organizations with intricate communication needs, from hospitals and universities to largescale contact centers. With customizable solutions, continuous innovation, and alwayson support, CallTower delivers Webex CCP built to scale, simplify operations, and keep enterprises connected and thriving.