CallTower and Webex Cloud Connected PSTN (CCP) 

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 organisations with complex communication requirements. Designed for high-DID environments such as hospitals, universities, call centres, 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 organisations 

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 centres, 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 organisational demands 

Operational Resilience • Business Continuity • AlwaysOn Voice 

Why CallTower for Webex CCP 

CallTower understands the challenges of organisations with intricate communication needs, from hospitals and universities to largescale contact centres. With customizable solutions, continuous innovation, and alwayson support, CallTower delivers Webex CCP built to scale, simplify operations, and keep enterprises connected and thriving. 

CallTower and Webex Cloud Connected PSTN (CCP)
CallTower and Webex Cloud Connected PSTN (CCP)

CallTower and Webex Cloud Connected PSTN (CCP)