OpenSIPS 4.0 adds #SIP PRACK and UPDATE #interworking support, making it easier to bridge #IMS and legacy SIP #networks. Auto mode for quick enabling, manual mode for full scripting control.
blog.opensips.org/2026/03/25/sip…
#voip #rtc #opensource #telephony #telecom
SIP PRACK/UPDATE Interworking Support in OpenSIPS 4.0
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 environme…
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