Session Border Controller as a Service (SBCaaS)

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Session Border Controller as a Service (SBCaaS)

Secure, Controlled Voice Connectivity Between Cloud and PSTN

Your Trusted Voice Backbone for the Digital Enterprise

HGC's Session Border Controller as a Service (SBCaaS) is a cloud-based session border controller service that secures voice interconnection across enterprise systems, service providers, and PSTN networks.

It serves as a secure, reliable voice backbone for Unified Communications as a Service (UCaaS), Contact Center as a Service (CCaaS), SIP trunking, and legacy telephony, ensuring interoperability, traffic control, and business continuity.

Why Businesses Choose SBCaaS

Strengthen Security

Enhanced protection against fraud and SIP-based attacks

Ensure Reliable Communications

Reliable, high-quality voice connectivity, business continuity across networks

Simplify Integration

Seamless multi-vendor interoperability, faster deployment and lower complexity

Improve Control and Efficiency

Greater visibility over voice services, reduced operational overhead, flexible scalability for future growth

Features and Benefits

Features	Details	Benefits
Secure Voice Interconnection	• SIP trunking enablement and management • Secure connectivity between enterprise platforms and carrier networks • Protection against SIP attacks, fraud, and unauthorised access	Ensure enterprise-grade security, compliance, and resilience for voice communications.
Traffic Control and Optimisation	• Flexible SIP trunk and bandwidth resource management • Intelligent routing and load balancing • Protocol normalisation across vendors and carriers	Maintain high voice quality, service reliability, and efficient traffic handling even during peak demand.
PSTN and Legacy Integration	• Seamless bridging between IP communications and traditional PSTN networks • Support for number retention and legacy migration • Interoperability across multi-vendor environments	Enable a smooth transition to cloud communications without disrupting existing services or custom-er-facing numbers.
Multi-tenant and Scalable Deployment	• Centralised SBC capabilities across multiple sites or regions • Rapid provisioning for new connections, branches, or partners • Flexible configuration for enterprise and service provider use cases	Reduce operational complexity while supporting growth and multi-site voice environments.
Intelligent Monitoring and Future AI-readiness	• Real-time monitoring of session performance and anomalies • Predictive analytics for traffic patterns and fault detection • Policy-based automation for routing decisions	Enable proactive voice management and improve service resilience.

Use Cases

Connecting UCaaS and CCaaS platforms to PSTN

Multi-site or multinational voice infrastructure

Migration from legacy voice to SIP and cloud

Secure voice routing and compliance support

Secure Every Voice Connection

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Remarks
If at any time in the future you do not wish HGC Global Communications Limited, its affiliated companies, agents and/or business partners in providing you with any information for direct marketing of the aforesaid products and services relating to HGC Global Communications Limited, its affiliated companies and business partners, please contact us via email suggestion@hgc.com.hk, or by mail to PO Box 33, Tsuen Wan Post Office, Hong Kong or call HGC Global Communications Limited’s Customer Services Hotline 1220 (Voice/IDD Service) / 1222 (Internet Service). If you inform us via email or by post, our customer service representative will contact you for verification purpose.

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