Richard Fuchs
Software Developer at Sipwise
Willemstad, Curacao Curaçao
Summary
🤩
RockstarRichard Fuchs is a seasoned software developer with 17 years of experience specializing in backend systems for real-time communications, based in Willemstad, Curaçao. At Sipwise since 2008 he has focused on robust SIP/VoIP server development and is an active contributor to major open-source SIP projects like OpenSIPS and Kamailio. His work shows deep C-level systems expertise—fixing segfaults, adding IPv6 support, enhancing LCR routing logic, and implementing RTP and recording features—demonstrating reliability and performance-driven engineering. Colleagues would note his strength in low-level protocol handling and pragmatic documentation of complex features, making him a go-to engineer for production-grade telephony infrastructure.
17 years of coding experience
Github Skills (13)
c1710
telephony10
opensips10
sips10
kamailio10
c1110
ipv610
voip10
sip10
rtp9
base64-encoding9
regular-expression9
bencode9
Programming languages (6)
Github contributions (5)
kamailio/kamailio
Dec 2011 - Sep 2022
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 reviews, 137 commits, 20 PRs in 10 years 11 months
Contributions summary:Richard primarily contributed to the Kamailio SIP server's core functionality. Their work involved enhancing the LCR (Least Cost Routing) module with IPv6 support, modifying code related to gateway information, and implementing features for handling IP addresses in various formats. They also introduced support for R-URI matching, expanding the rule selection criteria within the LCR module. Moreover, the user addressed issues related to memory alignment and added the `decode.base64` transformation functionality for the PV (pseudo-variable) module.
voltesip-serverkamailiofreeswitchchat
OpenSIPS/opensips
Jul 2013 - Mar 2014
OpenSIPS is a GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms.
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 commits in 8 months
Contributions summary:Richard primarily contributed to the `rtpproxy-ng` module, fixing bugs and implementing new functionalities within the OpenSIPS SIP server. Their work involved modifying C code, specifically addressing issues related to multipart SDP body extraction, potential segmentation faults, and IPv6 address handling. They also implemented the `$rtpstat` feature and documented the `start_recording()` function.
professionalsip-servergplsecurityhigh-level
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