VoIP Positioning Center (VPC) Incident Notice (TT 1074281)

Update timeline

1. investigating Sep 23, 2026, 09:47 PM UTC

   This is an Initial notification. RedSky Technologies is informing you of a potential impact to 911 services in Sinch network or systems. You may be experiencing disruption to VoIP 9-1-1 services in the affected region. Estimated time to resolution: Currently unknown. Cause: Currently unknown. Routing/workaround: During this outage, calls are being delivered to the PSAP's 10 digit 24 by 7 emergency line. Affected PSAPs: PSAP: 5585, Ardmore/carter County E9-1-1 Center, Carter, OK; PSAP: 5693, Oklahoma City Police Department, Oklahoma, OK; PSAP: 5714, Ponca City Police Department Emergency Communications 911, Kay, OK.

2. investigating Sep 24, 2026, 12:41 AM UTC

   This is an Initial notification. RedSky Technologies is informing you of a potential impact to 911 services in Sinch network or systems. You may be experiencing disruption to VoIP 9-1-1 services in the affected region. Start time: Central Time. Estimated time to resolution: Currently unknown. Cause: Currently unknown; vendor investigation is on-going. Routing/workaround: During this outage, calls are being delivered to the PSAP's 10 digit 24 by 7 emergency line. Affected PSAPs: PSAP: 5585, Ardmore/carter County E9-1-1 Center, Carter, OK; PSAP: 5693, Oklahoma City Police Department, Oklahoma, OK; PSAP: 5714, Ponca City Police Department Emergency Communications 911, Kay, OK.

3. investigating Sep 24, 2026, 12:42 AM UTC

   This is an Initial notification. RedSky Technologies is informing you of a potential impact to 911 services in Sinch network or systems. You may be experiencing disruption to VoIP 9-1-1 services in the affected region. Start time: 9/23/26 03:13:02 PM CT Central Time. Estimated time to resolution: Currently unknown. Cause: Currently unknown; vendor investigation is on-going. Routing/workaround: During this outage, calls are being delivered to the PSAP's 10 digit 24 by 7 emergency line. Affected PSAPs: PSAP: 5585, Ardmore/carter County E9-1-1 Center, Carter, OK; PSAP: 5636, Enid / Garfield County 911 Communications Center, Garfield, OK; PSAP: 5693, Oklahoma City Police Department, Oklahoma, OK; PSAP: 5714, Ponca City Police Department Emergency Communications 911, Kay, OK; PSAP: 5730, Shawnee Police Department, Pottawatomie, OK.

4. resolved Sep 24, 2026, 09:08 PM UTC

   This is a Resolved notification. RedSky Technologies is informing you that this incident may have impacted 911 services in Sinch network or systems. VoIP 9-1-1 services are operating normally in the affected region. Start time: 9/23/26 at 3:13:02 PM Central Time. Resolved time: 9/23/26 at 11:15 PM (CT). Cause: An ongoing higher-level event impacting the Oklahoma area. Lumen SWAT Access Team was dispatched and engaged with the LEC on restoration efforts. Lumen SWAT advised restoration efforts are complete and logs confirm call completion over the once affected routes. Affected PSAPs: PSAP: 5585, Ardmore/carter County E9-1-1 Center, Carter, OK; PSAP: 5636, Enid / Garfield County 911 Communications Center, Garfield, OK; PSAP: 5693, Oklahoma City Police Department, Oklahoma, OK; PSAP: 5714, Ponca City Police Department Emergency Communications 911, Kay, OK; PSAP: 5730, Shawnee Police Department, Pottawatomie, OK.