https://voipstackindex.com/news/microsoft-direct-routing-ca-validation-sip-proof/ 2026-07-10T00:00:00.000Z VoIP Stack Index en 2026-07-10T00:00:00.000Z Microsoft's Direct Routing CA Test Put SIP Trust Stores on the Checklist https://voipstackindex.com/news/kddi-12-million-credential-breach-voip-provider-proof/ 2026-07-09T00:00:00.000Z VoIP Stack Index en 2026-07-09T00:00:00.000Z KDDI's Credential Breach Made Provider Recovery Proof a VoIP Test