Introduction One of the more stubborn SIP interop problems in modern networks is reliable provisional response handling, especially when bridging classic SIP deployments with IMS-oriented environments. In IMS-heavy networks, RFC 3262 support is often assumed. That means 100rel, RSeq, RAck and PRACK are not optional extras anymore, but part of normal call establishment. On the … Continue reading SIP PRACK/UPDATE Interworking Support in OpenSIPS 4.0
Tag: Interoperability
September 2023 marked the 3rd edition of OpenSIPIt -- the online interoperability testing event for VoIP, SIP and related open-source technologies. This edition, the event featured a hackathon as well, where developers could either try to win some rewards (sponsored by Sippy Software) by completing a specific C/Python coding task or just spend the time … Continue reading Thoughts after Our Participation in OpenSIPIt’03
Cooling off at the end of a brilliant OpenSIPIt'01! Last week, I had the honor to represent the OpenSIPS project in a multi-day, cross-project SIP testing event that took place online, called OpenSIPIt! With a pilot edition of the event dubbed "OpenSIPIt#00" having already taken place last year, right after the OpenSIPS Summit, everyone had … Continue reading OpenSIPIt ’01 – Testing the Trending SIP Security Enhancements
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