**THIS IS A SCHEDULED EVENT Dec 18, 01:00 - 02:00 PST** Dec 17, 08:25 PST **Scheduled** - We will be applying a minor update to one of our service plans to improve overall reliability and ensure it continues to operate as expected. This update is limited in scope and will not impact other service plans or customer configurations. No service interruption is expected.

**THIS IS A SCHEDULED EVENT Dec 15, 23:00 PST  -  Dec 16, 00:00 PST** Dec 15, 11:16 PST **Scheduled** - Due to an issue with an edge network device we are doing a preventative reboot of one of the routing engines on the device. We expect some minor traffic fluctuations during this maintenance window.

**THIS IS A SCHEDULED EVENT Dec 16, 01:00 - 04:00 PST** Dec 15, 09:29 PST **Scheduled** - We are going to be updating Cluster Manager and Provisioner to increase functionality of our internal auditing for SOX Compliance.

**THIS IS A SCHEDULED EVENT Dec 17, 19:00 - 23:00 PST** Dec 11, 09:30 PST **Scheduled** - Please be advised that we have scheduled an upgrade to our core hosted infrastructure. We will be migrating BYOC load balancers, and API servers to new, upgraded hardware. The primary goal of this maintenance is to enhance the performance, scalability, and resilience of these critical systems. To ensure the stability of your services, this migration will be carried out in a phased approach, addressing one zone at a time. This process is designed to be fully transparent and should result in no disruption or impact to your services as long as devices are configured to use NAPTR/SRV records. Thank you, 2600Hz Infrastructure

**THIS IS A SCHEDULED EVENT Dec 11, 21:15 - 22:15 PST** Dec 8, 08:05 PST **Scheduled** - We will be performing a scheduled maintenance update on our platform. This update includes: 2600Hz Cluster Manager update Provisioner configuration update No service impact is expected. We will notify you once the work has been completed.

**THIS IS A SCHEDULED EVENT Dec 8, 19:00 - 21:00 PST** Dec 4, 07:15 PST **Scheduled** - We'll be completing an update to provisioner during this time; please let us know if you encounter any issues!

**THIS IS A SCHEDULED EVENT Dec 8, 12:00 - 17:00 PST** Dec 3, 03:32 PST **Scheduled** - We will be migrating the Zswitch EU servers over to a new cluster during this time. DNS will be updated to point to the new servers. Please let us know if you have any issues after the maintenance period is completed, any changes made during the period may not carry over onto the new Cluster as we'll be copying the live data from around 8pm GMT onwards.

**THIS IS A SCHEDULED EVENT Dec 8, 23:00 PST  -  Dec 9, 02:00 PST** Dec 3, 16:23 PST **Scheduled** - Our network supplier is migrating one of our outbound ISP connections to a new cabinet. We do not expect any downtime as traffic will automatically fail over to other outbound routes.

**THIS IS A SCHEDULED EVENT Dec 11, 23:00 PST  -  Dec 12, 02:00 PST** Dec 3, 16:29 PST **Scheduled** - Our network supplier is migrating one of our inbound ISP connections to a new cabinet. We do not expect any downtime as traffic will automatically fail over to other inbound routes.

**THIS IS A SCHEDULED EVENT Dec 10, 23:00 PST  -  Dec 11, 02:00 PST** Dec 3, 16:27 PST **Update** - We will be undergoing scheduled maintenance during this time. Dec 3, 16:26 PST **Scheduled** - Our network supplier is migrating one of our connections to a new cabinet. We do not expect any downtime as traffic will automatically fail over to other inbound and outbound routes.

**THIS IS A SCHEDULED EVENT Nov 19, 19:00 - 20:00 PST** Nov 17, 08:38 PST **Scheduled** - 2600Hz Operations will be performing some more intrusive debugging on one of our SBCs located in the US-Central region. We expect no impact for most of this maintenance, but it is possible that degraded service may occur due to the nature of the work being done. Thank you, 2600Hz Operations

**THIS IS A SCHEDULED EVENT Nov 14, 00:00 - 03:00 PST** Nov 13, 11:33 PST **Scheduled** - We will be performing scheduled maintenance on ZSWITCH (HOSTED ONLY) production environment to apply the Trunking.io updates and fix password reset link expiration issues. This update creates service plan enforcement and resolves a password reset link expiration defect. During this window, Kazoo Applications and Ecallmgr services will be restarted across application, API, and web nodes. Users may experience brief interruptions to active calls and service availability while updates are applied zone by zone.

Nov 13, 12:39 PST **Monitoring** - We have resolved the issue and believe we are operational at this time. We are monitoring the incident. Nov 13, 12:28 PST **Update** - We are seeing a fiber related issue in our San Jose datacenter and are working to resolve it. Nov 13, 12:14 PST **Update** - We are experiencing uptime issues with our San Jose datacenter and are working to resolve it. Phones that are properly configured to register to SRV/NAPTR records should fail over to the other zones. Nov 13, 12:08 PST **Investigating** - We are investigating an issue with a partial outage due to loss of connectivity to one of our zones.

**THIS IS A SCHEDULED EVENT Nov 13, 00:00 - 03:00 PST** Nov 12, 10:10 PST **Scheduled** - We will be performing scheduled maintenance on ZSWITCH (HOSTED ONLY) production environment to apply the Trunking.io updates and fix password reset link expiration issues. This update creates service plan enforcement and resolves a password reset link expiration defect. During this window, Kazoo Applications and Ecallmgr services will be restarted across application, API, and web nodes. Users may experience brief interruptions to active calls and service availability while updates are applied zone by zone.

**THIS IS A SCHEDULED EVENT Nov 10, 00:00 - 04:00 PST** Nov 6, 09:44 PST **Scheduled** - We will be performing scheduled maintenance on ZSWITCH (HOSTED ONLY) production environment to apply the Trunking.io updates and fix password reset link expiration issues. This update creates service plan enforcement and resolves a password reset link expiration defect. During this window, Kazoo Applications and Ecallmgr services will be restarted across application, API, and web nodes. Users may experience brief interruptions to active calls and service availability while updates are applied zone by zone.

**THIS IS A SCHEDULED EVENT Nov 3, 17:00 - 21:00 PST** Nov 3, 12:14 PST **Scheduled** - Please be advised that we have scheduled an infrastructure upgrade for our backup Advanced Provisioner system. This maintenance involves migrating to new, upgraded hardware to enhance reliability and performance. We do not anticipate any disruption to your services during this migration. The primary provisioning system will remain fully operational. We appreciate your understanding as we work to improve our systems.

**THIS IS A SCHEDULED EVENT Oct 30, 18:00 - 20:00 PDT** Oct 30, 13:36 PDT **Scheduled** - We need to apply an emergency change to ZSwitch to comply with recent STIR/SHAKEN requirements. There is no expected impact.

Oct 23, 23:00 PDT **Completed** - The scheduled maintenance has been completed. Oct 23, 19:00 PDT **In progress** - Scheduled maintenance is currently in progress. We will provide updates as necessary. Oct 16, 09:21 PDT **Scheduled** - Please be advised that we have scheduled an upgrade to our core hosted infrastructure. We will be migrating hosted load balancers, BYOC load balancers, and API servers to new, upgraded hardware. The primary goal of this maintenance is to enhance the performance, scalability, and resilience of these critical systems. To ensure the stability of your services, this migration will be carried out in a phased approach, addressing one zone at a time. This process is designed to be fully transparent and should result in no disruption or impact to your services as long as devices are configured to use NAPTR/SRV records.

**THIS IS A SCHEDULED EVENT Oct 23, 19:00 - 23:00 PDT** Oct 16, 09:21 PDT **Scheduled** - Please be advised that we have scheduled an upgrade to our core hosted infrastructure. We will be migrating hosted load balancers, BYOC load balancers, and API servers to new, upgraded hardware. The primary goal of this maintenance is to enhance the performance, scalability, and resilience of these critical systems. To ensure the stability of your services, this migration will be carried out in a phased approach, addressing one zone at a time. This process is designed to be fully transparent and should result in no disruption or impact to your services as long as devices are configured to use NAPTR/SRV records.

**THIS IS A SCHEDULED EVENT Oct 23, 19:00 - 23:00 PDT** Oct 16, 09:21 PDT **Scheduled** - Please be advised that we have scheduled an upgrade to our core hosted infrastructure. We will be migrating hosted load balancers, BYOC load balancers, and API servers to new, upgraded hardware. The primary goal of this maintenance is to enhance the performance, scalability, and resilience of these critical systems. To ensure the stability of your services, this migration will be carried out in a phased approach, addressing one zone at a time. This process is designed to be fully transparent and should result in no disruption or impact to your services as long as devices are configured to use NAPTR/SRV records.

**THIS IS A SCHEDULED EVENT Oct 23, 19:00 - 23:00 PDT** Oct 16, 09:21 PDT **Scheduled** - Please be advised that we have scheduled an upgrade to our core hosted infrastructure. We will be migrating hosted load balancers, BYOC load balancers, and API servers to new, upgraded hardware. The primary goal of this maintenance is to enhance the performance, scalability, and resilience of these critical systems. To ensure the stability of your services, this migration will be carried out in a phased approach, addressing one zone at a time. This process is designed to be fully transparent and should result in no disruption or impact to your services as long as devices are configured to use NAPTR/SRV records.

**THIS IS A SCHEDULED EVENT Oct 23, 19:00 - 23:00 PDT** Oct 16, 09:21 PDT **Scheduled** - Please be advised that we have scheduled an upgrade to our core hosted infrastructure. We will be migrating hosted load balancers, BYOC load balancers, and API servers to new, upgraded hardware. The primary goal of this maintenance is to enhance the performance, scalability, and resilience of these critical systems. To ensure the stability of your services, this migration will be carried out in a phased approach, addressing one zone at a time. This process is designed to be fully transparent and should result in no disruption or impact to your services as long as devices are configured to use NAPTR/SRV records.

Oct 20, 03:00 PDT **Completed** - The scheduled maintenance has been completed. Oct 20, 01:00 PDT **In progress** - Scheduled maintenance is currently in progress. We will provide updates as necessary. Oct 19, 13:59 PDT **Scheduled** - We will be carrying out an update to Zswitch. (This change is non-impacting and is purely to meet compliance needs.)

**THIS IS A SCHEDULED EVENT Oct 23, 19:00 - 23:00 PDT** Oct 16, 09:21 PDT **Scheduled** - Please be advised that we have scheduled an upgrade to our core hosted infrastructure. We will be migrating hosted load balancers, BYOC load balancers, and API servers to new, upgraded hardware. The primary goal of this maintenance is to enhance the performance, scalability, and resilience of these critical systems. To ensure the stability of your services, this migration will be carried out in a phased approach, addressing one zone at a time. This process is designed to be fully transparent and should result in no disruption or impact to your services as long as devices are configured to use NAPTR/SRV records.

**THIS IS A SCHEDULED EVENT Oct 20, 01:00 - 03:00 PDT** Oct 19, 13:59 PDT **Scheduled** - We will be carrying out an update to Zswitch. (This change is non-impacting and is purely to meet compliance needs.)