C R T
  • F1, First floor Lagos City Mall, Lagos Island, Onikan.
  • info@crtsystems.tech
  • Office Hours: 8:00 AM – 6:00 PM
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Enterprise VoIP & IP Telephony Solutions

CRT Systems delivers reliable, scalable, and secure Voice over IP (VoIP) solutions designed for modern businesses. Our IP telephony services enable organizations to communicate seamlessly using data networks, reducing operational costs while improving call quality and collaboration.

We design and deploy VoIP systems for offices, call centers, financial institutions, and distributed teams. From on-premise PBX to cloud-hosted VoIP, our solutions support voice, video, conferencing, and unified communications across multiple locations.

Clear voice, resilient infrastructure, and secure communications are the foundation of every modern business. – CRT VoIP Engineering Team

Our VoIP deployments are engineered with Quality of Service (QoS), redundancy, and security in mind. We integrate seamlessly with existing LAN, WAN, MPLS, and VPN environments to ensure uninterrupted voice services, even during peak usage.

Our VoIP & Voice Solutions Include

  • IP PBX deployment (Asterisk, FreePBX, Cisco, Yeastar, 3CX, Huawei VoIP)
  • Cloud & Hosted VoIP solutions
  • SIP Trunk provisioning and integration
  • Call center and contact center solutions
  • VoIP security, firewalling, and SBC configuration

We provide end-to-end VoIP implementation including network readiness assessment, bandwidth planning, QoS configuration, and endpoint provisioning such as IP phones, softphones, and mobile clients.

CRT Systems also offers ongoing support, monitoring, and optimization to ensure high availability, low latency, and excellent call quality across your voice infrastructure.