Secure your VoIP infrastructure
Bill-IT supports enterprises in the design, deployment and security of their IP telephony infrastructure. Recognized expertise in Session Border Controllers, complex migrations and unified communications architectures.
Our expertise
SIP Security
Protection of signaling flows and voice sessions against attacks, fraud and intrusions. TLS/SRTP encryption, access control and topology hiding.
Session Border Controllers
SBC deployment and configuration to control, secure and interconnect voice networks. Oracle SBC expertise and multi-carrier architectures.
Secure architectures
Design of segmented, resilient voice architectures that comply with security requirements. Traffic separation, high availability and monitoring.
Complex migrations
Support for PBX-to-SIP migration projects, telecom infrastructure transformation and new carrier integration.
Why Bill-IT
Field expertise
Our team works directly on production infrastructure. Every recommendation is based on hands-on experience deploying and operating real-world environments.
Methodical approach
We proceed through audit, design, validation and controlled deployment. Every SBC configuration is documented, versioned and validated before going live.
Security by design
Security is not an add-on but a foundation. Topology hiding, access control, encryption, segmentation: every layer is designed to protect the infrastructure.
Professional tooling
Our internal platform enables the creation, validation and export of complex SBC configurations, securely accessible and compliant with industry standards.
Secure architecture
Our VoIP architectures rely on strict network segmentation: separation of signaling and media flows, SBC-controlled interconnection zones, isolated VPN administration and active/standby high availability.
Complex VoIP migrations
We support enterprises in their telecom transformation projects: migration from traditional PBX to SIP trunking, multi-carrier integration, infrastructure compliance and progressive cutover with no service interruption.
Why an SBC
The Session Border Controller is the central element of any secure VoIP architecture. It provides access control, protocol translation, topology hiding, session management and protection against signaling attacks.