PSTN Connectivity Issue - Val d'Or, Quebec

Update timeline

1. investigating Apr 04, 2026, 11:45 PM UTC

   Dear Iristel customers, Please be advised that we are currently experiencing an outage in Val d'Or, Quebec. We suspect the cause is a device failure, and unfortunately, PSTN inbound and outbound calls are impacted. All other sites remain operational except for this region. Our engineering teams are sourcing a replacement. ETR is unknown. Issue Start Time: April 03, 2026 at 1500H We will keep you posted as we receive additional information, we appreciate your patience. Regards, Iristel NOC

2. monitoring Apr 06, 2026, 04:03 AM UTC

   Dear Iristel Customers, Our equipment went up at 1520H UTC April 04, 2026 and have monitored voice traffic. The action taken is still for confirmation and for the meantime, this will be put under stability monitoring. We may request to re-test and do not hesitate to inform us if problem persists. Thank you for your patience and understanding. Regards, Iristel NOC

3. resolved May 01, 2026, 06:32 PM UTC

   Dear Iristel Customers, After a thorough period of monitoring, we are confident with the operational availability in this sector. We are closing this advisory notice. If you face any challenges in this region, please reach out to our support tea. Thank you for your cooperation. Sincerely, Iristel NOC