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Brice NjongaBN

Brice Njonga

VoIP Architect/Voice AI Expert - Automation

€680/day
Paris, FR
15+ years
Microsoft Teams
Artificial Intelligence (AI)
VoIP
Voice AI
Workflow Automation

Average response time: 1 hour

Freelancer profile translated to English.
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About Brice

Independent consultant specializing in IP telephony and voice artificial intelligence, I help companies transform their communication infrastructures — from network architectures to next-generation conversational voice agents.
My expertise covers:
VoIP/SIP architecture design and deployment, SBC configuration (AudioCodes, Oracle, Ribbon)
Integration with Microsoft Teams Phone System (Direct Routing), Cisco, Zoom Phone
Carrier interconnection: SIP Trunking, PSTN Gateway, IP audit and migration
AI voice agent design (voicebots, callbots, intelligent IVRs) with Vapi, Bland AI, ElevenLabs
Voice workflow automation via n8n, Make, and CRM integrations
Integration of LLMs in real-time voice processing flows
Whether you want to modernize your telephony, migrate to Teams Phone, or deploy a voice AI agent to qualify your leads and automate your calls — I design and implement the solution tailored to your context.
Why me? A rare dual expertise: telecom infrastructure AND Voice AI, a results-oriented approach, and the ability to simplify technical challenges for decision-makers.
Telecommunications

  • French

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • CRÉDIT AGRICOLE (CAGIP)
    Service Manager
    March 2025 - Today (1 year and 3 months)
    Guyancourt, France
    • • Leadership and continuous improvement of video conferencing services (Cisco Webex, MTR) and smart building solutions (Sharing Cloud), ensuring availability, performance, and customer satisfaction.
    • • Supervision of incidents, problems, and changes, applying ITIL best practices and coordinating crisis management.
    • • Facilitating service review meetings, developing performance reports (KPIs, obsolescence, dashboards), and proactive communication to management.
    • • Defining and monitoring action plans for optimization, identifying risks/opportunities, and proposing technological innovations tailored to client needs.
    • • Cross-team coordination (IT, facilities, integrators) to ensure reliable service delivery aligned with standards.
    • • Proficiency in ServiceNow, Microsoft 365, SharePoint, and collaborative platforms.
    ServiceNow Cisco Webex Microsoft Teams ITIL Team Management
  • BOUYGUES CONSTRUCTION
    IP Telephony & Unified Communications Architect – Microsoft Teams
    April 2023 - March 2025 (1 year and 11 months)
    Guyancourt, France
    • • Design and implementation of the Microsoft Teams Phone System solution on an international scale (Direct Routing, Teams PBX, Tendfor contact center), within the context of the group's UC transformation.
    • • Deployment, configuration, and operation of AudioCodes SBCs (Mediant VE on Azure and Mediant 500): SIP interconnections, call routing, codecs, and voice stream security.
    • • Integration of AudioCodes SBC with Microsoft Teams and existing telephony systems (Mitel), in a coexistence and gradual migration context.
    • • Design and deployment of Microsoft Teams Rooms (MTR) video conferencing solutions: Poly Studio X30/X50/X70, Neat Bar, Neat Bar Pro, Neat Board.
    • • Management of telephony migrations in France and internationally to the Microsoft Teams tenant, including testing phases, user cutovers, and securing production deployments.
    Technical Environment: Microsoft Teams Phone System, Direct Routing, Teams PBX, Tendfor, AudioCodes SBC (Mediant VE, Mediant 500), Azure, Mitel, Microsoft Teams Rooms, Poly, Neat
    Microsoft Teams Microsoft Teams Rooms Cisco Webex AudioCodes SBC VoIP
  • VTX TELECOM
    IP Telephony / VoIP Engineer – SBC & UC
    November 2022 - April 2023 (5 months)
    • • Operation and maintenance of video conferencing solutions (PEXIP, Cisco video conferencing, Polycom) and Mitel telephony for Bouygues Construction France.
    • • Maintenance and L3 support for the VoIP infrastructure: Teles, Communi5, Voxeo platforms, AudioCodes SBC, Microsoft Teams.
    Voice over IP (VoIP) VoIP Microsoft Teams AudioCodes SBC Telecommunications
Check out Brice's experience

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Education

  • Master of Mobile
    University of Westminster
    2008
    Master of Mobile
  • Bachelor of Science in Engineering
    University of Paris 12
    2007
    Licence de Sciences de l'ingénieurs
Check out Brice's education

Skill set

IT Architecture
n8n Automation
Make Automation

Categories