Rainbow - Rainbow Hub Softphony : Failing calls attempt – Incident details

Root Cause of the issue :
Abnormal behavior on one of Rainbow HUB solution's WebRTC gateway server following reception of malformed SIP messages.
Only end users handled by this gateway and initiating or receiving telephone calls over this period have been impacted.
Software protection against these specific bad messages is already implemented and will be effective on production in the coming days.

Issue is solved.

We implemented a fix and currently monitoring the result.

We are continuing to work on a fix for this incident.