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BYOC for Cisco Webex

Trusted PSTN Integration for Webex Calling - Powered by USTelco

BYOC for Cisco Webex

As businesses transition to Cisco Webex Calling, the need for compliant, high-performance PSTN access becomes critical, especially in regulated and high-volume environments.

USTelco provides enterprise-grade voice connectivity through Cisco’s Cloud Connected PSTN (CCP) program, enabling your organization to Bring Your Own Carrier (BYOC) into the Webex ecosystem, while retaining full control over call quality, compliance, emergency services, and caller identity.

“Webex powers your collaboration. USTelco secures the voice behind it.”

USTelco

Why USTelco + Cisco Webex?

Cloud Connected PSTN Certified Integration

  • Seamless interoperability with Webex Calling
  • Fully managed SIP trunking delivered via Cisco-certified infrastructure
  • Scalable for single-site or multi-national deployments

STIR/SHAKEN Call Signing & CLI Protection

  • Outbound calls signed with full STIR/SHAKEN Attestation A
  • Caller ID protected against spoofing, “spam likely” flags, and call blocking
  • Real-time CLI monitoring and reputation reporting

Regulatory-Grade Voice Infrastructure

  • FCC-registered carrier: Filer ID 837557 | FRN 0036846699
  • Full compliance with TCPA, STIR/SHAKEN, RAY BAUM’S Act, Kari’s Law, and E911
  • Participation in FCC Robocall Mitigation Database

Geo-Redundant SIP Routing & Failover

  • High-availability trunking with load balancing, overflow, and disaster recovery
  • Real-time performance analytics and QoS monitoring
  • Support for encrypted SIP (TLS/SRTP) and SBC-level enforcement

Supported Webex Use Cases

Features at a Glance

Why Enterprises Choose USTelco for Webex Calling

Elevate Webex Calling with Compliant Voice Infrastructure

Give your Cisco Webex environment the voice compliance, CLI trust, and routing control it deserves, without compromising user experience or regulatory posture.