Charles Chance
CTO at Birchills Telecom Ltd
England, United Kingdom
Summary
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RockstarCharles Chance is a seasoned technology executive and founder with 13 years of engineering experience who currently serves as CTO of Simwood Group while leading multiple telecom ventures he founded or directs. He combines hands-on systems programming—evidenced by substantive contributions to the widely used Kamailio open-source SIP server, where he improved DMQ message replication, memory management and module integration—with strategic leadership of telecom and cloud businesses. Based in England, he has a track record of building and operating real-time communications platforms and steering companies from startup to scale. Colleagues describe him as pragmatic and technical: he still dives into C-level back-end fixes while shaping product and infrastructure roadmaps.
13 years of coding experience
7 years of employment as a software developer
Github Skills (13)
c1710
telephony10
sips10
kamailio10
c1110
voip10
sip10
networking9
memory-management9
json8
sql-database7
data-integration7
databases7
Programming languages (5)
Github contributions (5)
kamailio/kamailio
Sep 2013 - Mar 2021
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -
Role in this project:
Back-end Developer
Back-end DeveloperContributions:143 commits, 28 PRs, 59 pushes in 7 years 7 months
Contributions summary:Charles primarily contributed to the `dmq` module, adding and modifying features related to message handling and node management. They implemented functionality to add content-type headers, replicate SIP messages to all DMQ nodes, and include resolved IP addresses in RPC output. They also fixed memory leaks and improved code maintainability by removing redundant includes and cleaning up code. Additional contributions involved integrating the `htable` module with the `dmq` module, incorporating dmq_t_replicate config functions, and resolving several reported bugs.
voltesip-serverkamailiofreeswitchchat
sipcentric/chrome-extension
Mar 2013 - Nov 2017
Contributions:3 commits, 1 push in 4 years 9 months
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