VoIP Based Projects

  • WebRTC
  • Core SIP Stack
  • SIP Proxy 
  • SIP User Agent
  • B2BUA
  • Session Border Controller
  • Conversation Manager
  • Media Engine
  • SRTP
  • DTLS-SRTP
  • STUN
  • TURN
  • ICE
  • SIMPLE
  • Presence
  • iChat Gateway - bridging iChat (Jabber) and SIP
  • Click-to-Call Server
  • Music On Hold Server
  • Embedded Development
  • ECMA TR87 - Remote Call Control Gateway
  • reload (IETF P2P DHT)
  • Windows 7 Multimedia Audio SDK
  • Windows 10 IOT / Raspberry Pi 2

Radio Protocols

  • P25 CSSI/ISSI
  • EUROCAE ED137
  • Tait DMR
  • Motorola Connect Plus / IPSC / Wireline LCP
  • Kenwood NEXEDGE
  • Radio Crypto Protocols:  Key Fill Device (KFD), Key Management Facility (KMF), P25 OTAR messaging, P25 encryption and Motorola Enhanced Privacy

Unified Communications

Interactive Voice Response
  • IVR GUI Interface Design
  • Speech Recognition and Text-to-Speech Engine Integration (Nuance & Microsoft Engines)
Contact Centre Design, Architecture and Development
  • ACD Queuing Algorithms
  • Skill Based Routing
  • Multi-tenanting
Microsoft Office Communications Server/Lync Server 2010
  • ECMA TR87 - Remote Control (RCC)
  • IM Auto-responses and queuing
  • UCMA development
  • Lync Server MSPL Development
  • Presence Synchronization
  • Lync Deployment and Voice Routing Design

TDM Telephony Experience

  • T1/E1, ISDN, CAS, analog, acoustic echo cancellation, using;  Dialogic/NMS telephony boards
  • DMS, 4ESS, Euro-ISDN, RLT
  • NMS / Dialogic Board Integration

Open Source Project Use

  • reSIProcate
  • sipXtapi
  • WebRTC
  • ASIO
  • Boost
  • Gloox
  • OpenSSL
  • ares
  • BerkeleyDb
  • MySQL
  • PCRE
  • libSRTP
  • ...