| Change Control Event | ACH : Upgrading Cisco VG224 Analog Voice Gateways to Cisco VG310 Analog Voice Gateways at ACH OCC Building 3rd FL | Change Control Event | ACH : Upgrading Cisco VG224 Analog Voice Gateways to Cisco VG310 Analog Voice Gateways at ACH OCC Building 3rd FLCHG0074273 2024-01-04 07:00:00 – 2024-01-04 10:00:00ACH : Upgrading Cisco VG224 Analog Voice Gateways to Cisco VG310 Analog Voice Gateways at ACH OCC Building 3rd FL