WEM attendance sync dropping SIP registrations on Ohio BYOC pool

WEM attendance sync is randomly dropping SIP registrations on the Ohio BYOC trunk pool. Architect v2024.3.1 handles the routing, but it’s pushing a status update that breaks the REGISTER and triggers a SIP 403 Forbidden. Failover logic stays locked while the queue burns through available legs.

SIP/2.0 403 Forbidden
Via: SIP/2.0/UDP 10.44.2.11:5060;branch=z9hG4bK-...