George Joseph
Software Developer at Sangoma
Denver, Colorado, United States
Summary
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RockstarGeorge Joseph is a seasoned software developer and telecommunications architect with 16 years of focused software experience and a 37-year background in the telecom industry. Based in Denver, he currently contributes to the Asterisk core at Sangoma, bringing deep RTP/VoIP expertise evidenced by substantive bug fixes and stability improvements in the famous Asterisk and PJSIP open-source projects. He has led large-scale Order-to-Cash and OSS programs at Level 3 and Zayo, blending hands-on coding with cross-functional architecture and delivery management. As a consultant and entrepreneur he designed wireless management systems for energy-sponsored smart thermostat networks, demonstrating an ability to translate complex telecom requirements into operational systems. Known for attention to robustness and edge cases, he focuses on preventing memory corruption and protocol renegotiation bugs that often hide in production. His career marries low-level protocol work with high-level systems integration and long-term operational thinking.
16 years of coding experience
21 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
c1710
pjsip10
sips10
sdp10
c1110
voip10
rtp10
sip10
openssl9
debug9
debugging9
c-language8
cprogramming-language8
Programming languages (19)
Github contributions (5)
asterisk/asterisk
Feb 2014 - Jan 2023
The official Asterisk Project repository.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 401 reviews, 3153 commits in 9 years
Contributions summary:George's commits focused on addressing issues within the Asterisk core, specifically addressing problems related to empty text frames, handling of re-invites, and incorrect frame handling, indicating a deep understanding of the underlying RTP engine. The changes involved modifying core source code, including fixing edge cases such as proper handling of incoming messages and stream topologies when renegotiating. The user also made several fixes to handle potential memory corruption issues, which suggests a focus on code stability and robustness.
pythonasterisklinuxpbxsip
pjsip/pjproject
Sep 2021 - Feb 2022
PJSIP project
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 reviews, 7 commits, 8 PRs in 4 months
Contributions summary:George primarily contributed to the PJSIP project by addressing bugs, improving the codebase, and implementing new features. Their work involved fixing whitespace issues within the `pjmedia_sdp_attr_get_rtpmap` function, as well as setting the initial log level for `pjsua` and related applications. Additionally, they added support for multipart messages and enhanced SDP information retrieval throughout the project. The user also corrected declarations of `pjsip_auth_deinit_parser()`, showing a focus on code quality and maintainability.
rtpandroidsipvoipios
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