independent ■ over 20 years of expertise ■ european

Voice Application Server (VAS)

The Communi5 Voice Application Server (VAS) is a powerful Unified Communications as a Service (UCaaS) platform, designed to provide businesses and service providers with a scalable, feature-rich, and fully integrated cloud telephony solution. It enables companies to enhance their communication infrastructure with a flexible, multi-tenant cloud PBX, collaboration tools, mobility features, and advanced call management functionalities.

Key Features of the Communi5 Voice Application Server:

Multi-tenant & Multi Service VAS Platform for Service Providers​

  • One Platform for all fixed/mobile and converged Business and Residential Voice Services​
  • Reseller- & White-Label Support
  • L3 active-active Geo-Redundancy & high scaling​
  • Carrier grade systems design


Strong focus on Business Communication Services

  • From standard SIP trunking to Full Cloud PBX/UC Services​
  • Including transition/migration from Trunk to UCaaS​
  • Simultaneous use of trunks and phones in one Enterprise​


Interfaces for flexible integrations​

  • Interfaces for Backend OSS/BSS integration (including automation)​
  • Integration with Business Applications
  • OpenAPI & RESTful API – Allows seamless integration with CRM, ERP, and customer support platforms like Salesforce, Microsoft Dynamics, and HubSpot.
  • TAPI & CTI (Computer Telephony Integration) – Enables click-to-dial, call pop-ups, and automated call logging in business software.
  • Action URLs & Webhooks – Automate workflows by triggering actions when calls are received or missed.
  • Microsoft Teams Integration – Direct Routing & Operator Connect and Presence Sync ensure unified communication between Teams and the PBX.


Mobile & Remote Working Solutions

The VAS enables employees to stay connected from any device, anywhere.

  • Softphone Clients – Available for Windows, macOS, iOS, and Android, enabling users to make and receive calls from their preferred devices.
  • WebRTC Support – Browser-based calling without the need for additional software installation.
  • Call Forwarding & Find-Me-Follow-Me – Ensures calls reach users regardless of their location.
  • BYOD (Bring Your Own Device) Support – Employees can use their personal devices securely with company communication services.


Integrated Call Center & Customer Service Solutions

For businesses requiring advanced customer engagement tools, the Communi5 VAS includes a fully integrated call center.

  • Automatic Call Distribution (ACD) – Routes calls based on agent availability, skill level, or priority.
  • Call Recording & Monitoring – Ensures compliance and enables quality assurance.
  • IVR (Interactive Voice Response) – Automates customer interactions and directs calls efficiently.
  • Real-Time Reporting & Analytics – Provides insights into call volumes, agent performance, and customer interactions.


Security, Reliability & Compliance

Security and compliance are essential in cloud communications, and Communi5 ensures enterprise-grade protection.

  • End-to-End Encryption – Secure communication for voice, video, and messaging.
  • High Availability & Redundancy – Ensures business continuity with geo-redundant cloud infrastructure.
  • GDPR & Compliance-Ready – Meets strict data protection requirements for global business operations.
  • Fraud Prevention & Call Authentication – Protects against unauthorized access and telecom fraud.