Nanang Izzuddin
Software Scientist at Teluu
Malang, East Java, Indonesia
Summary
🤩
Rockstar🎓
Top SchoolNanang Izzuddin is a Software Scientist based in Malang, Indonesia with 20 years of experience building real-time communications and media systems. Since 2007 he has been at Teluu, contributing deep protocol and media expertise to the PJSIP ecosystem—working on SRTP keying, adding DTLS support, SDP parsing, and improving audio/video race-condition handling for a widely used open-source SIP stack. His career traces back through engineering roles at Switchlab, Maltech, and eBdesk, giving him broad hands-on exposure to backend systems and embedded media processing. Known for pragmatic problem solving, he focuses on reliability and security in media pipelines, often tackling subtle interoperability and timing issues that surface in conferencing applications. He holds a degree from Institut Teknologi Bandung and brings a blend of long-term product stewardship and low-level systems craftsmanship to every project.
20 years of coding experience
6 years of employment as a software developer
Institut Teknologi Bandung
Github Skills (9)
c-language10
sips10
sipjs10
cprogramming-language10
sdp10
sipp10
sip10
streaming9
network-programming8
Programming languages (5)
Github contributions (5)
pjsip/pjproject
Dec 2005 - Jan 2023
PJSIP project
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 releases, 1001 reviews, 210 commits in 17 years 4 months
Contributions summary:Nanang primarily worked on enhancing the audio and video capabilities of the PJSIP library. Their contributions focused on implementing and improving the SRTP keying mechanism by adding support for DTLS and fixing potential issues in the existing SDES implementation. They also worked on various aspects of video conferencing, including updates to media direction handling, SDP parsing for telephone-event formats, and adding the ability to set or change audio and video parameters, while also addressing potential race conditions in the processing of the video and audio data.
rtpandroidsipvoipios
nanangizz/pjproject
Feb 2020 - Jun 2021
PJSIP project
Contributions:5 PRs, 87 pushes, 22 branches in 1 year 4 months
pjsip
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