About Leo Simmons
I'm a telecommunications and electronics specialist with extensive experience in enterprise systems administration, particularly with Cisco Unified Communications Manager (CUCM). My passion for technology spans from amateur radio operations to complex network infrastructures.
Professional Experience
Cisco CUCM Administration
- Enterprise telephony systems design and implementation
- Call routing and dial plan configuration
- SIP trunk integration and troubleshooting
- Device provisioning and firmware management
- Security implementation and monitoring
Network & Systems
- Network infrastructure design and maintenance
- Security systems integration
- Fire alarm system configuration
- VoIP and telecommunications troubleshooting
Amateur Radio Operations
Call Sign: M7LPT | Grid Locator: IO90wt
Operating Preferences
- DMR Digital: Active on various talk groups
- Echolink: Internet-linked amateur radio
- VHF/UHF: Local repeaters on 145.5 MHz and others
- Experimentation: RF design and antenna modeling
I enjoy experimenting with digital modes, antenna systems, and participating in emergency communications exercises. Always interested in QSOs and technical discussions!
Technical Interests
Telephony Systems
CUCM, SIP, SCCP, voice gateways, and unified communications
Security Systems
Access control, surveillance, and integrated security solutions
Fire Alarm Systems
Addressable systems, protocol analysis, and commissioning
Hardware Tinkering
Circuit analysis, repair, and custom electronics projects
Aviation Passion
Aviation has always fascinated me - from the intricate avionics systems to the physics of flight. I actively track aircraft movements, study aviation technology, and follow developments in both commercial and general aviation.
Aviation Interests
- Flight Tracking: Real-time monitoring using ADS-B receivers and FlightRadar24
- Avionics Systems: Understanding communication, navigation, and surveillance equipment
- Airport Operations: Ground handling, air traffic control procedures, and runway management
- Aircraft Types: Commercial airliners, general aviation, and military aircraft specifications
- Aviation Weather: METAR/TAF interpretation and weather impact on flight operations
The intersection of aviation and telecommunications is particularly interesting to me - from VHF radio communications to satellite-based navigation systems.
Philosophy
I believe in practical, cost-effective solutions that don't compromise on functionality. Whether it's configuring an enterprise phone system, building a homebrew antenna, or tracking aircraft movements, I focus on understanding the fundamentals and applying them creatively.
My approach combines theoretical knowledge with hands-on experience, always looking for ways to optimize performance while keeping things maintainable and budget-friendly.
Get In Touch
Interested in discussing telecommunications, amateur radio, aviation, or technical projects? I'm always happy to connect with fellow enthusiasts and professionals.