Apr 9, 7:56am GMT
Engineers will be working at the various Voiceflex datacentres between the 24th and 30th April 2026 completing planned network maintenance, upgrades and migrations.
Please find the Plan of work provided in the section below:
Apr 9, 8:45am GMT
24th April – entire day
Maintenance level - At risk only
Details – THN/HEX/VOL - DC
- Physical hardware checks and audit
- Moving devices between London office and Datacentres
- Config prep for evening changes
- Configure non-service affecting services in the racks
Apr 9, 8:44am GMT
24th April – 9pm -12am
Maintenance level - Service affecting
Details – THN/HEX - DC
- XEN Server RAID batteries changes
- Activate new services in the racks
- Software upgrades on some of the core devices in the
DC
- Failover testing of core circuits - EoMPLS tunnels
- Inter-DC circuit testing
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:43am GMT
25th April – 12am -4am
Maintenance level - Service affecting
Details - THNVOL/HEX - DC
- Activate new services in the racks
- Software upgrades on some of the core devices in the
DC
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:42am GMT
25th April – entire day
Maintenance level - At risk
Details – THN/VOL/HEX – DC
- Device security upgrades
- Decomm services
- Config prep for evening changes
- Configure non-service affecting services in the racks
Apr 9, 8:41am GMT
25th April – 8pm -12am
Maintenance level - Service affecting
Details – THN/VOL/HEX - DC
Activate new services in the racks
Software Upgrades – SMU’s and patches
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:40am GMT
26th April – 12am -4am
Maintenance level - Service affecting
Details – THN/HEX - DC
- Software Upgrades – SMU’s and patches
- Activate new services in the racks
- Additional Software upgrades on some of the core
devices in the DC
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:39am GMT
26th April – entire day
Maintenance level - At risk
Details – THN/VOL/HEX - DC
- Install new equipment
- Config prep for evening changes
- Configure non-service affecting services in the racks
Apr 9, 8:34am GMT
26th April – 8pm -12am
Maintenance level - Service affecting
Details – THN/VOL/HEX - DC
Activate new services in the racks
Software Upgrades – SMU’s and patches
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:33am GMT
27th April – 12am -4am
Maintenance level - Service affecting
Details – THN/HEX - DC
- Activate new services in the racks
- Software upgrades on some of the core devices in the
DC
- Failover testing
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:31am GMT
27th April – 7pm -12am
Maintenance level - Service affecting
Details – THN/VOL/HEX - DC
- London Office - Meraki VPN - Moving devices between London office and Datacentres
Activate new services in the racks from London office
Test new
architecture
Failover testing
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:30am GMT
28th April – 12am -4am
Maintenance level - Service affecting
Details – THN/HEX - DC
- Activate new services in the racks
- Software upgrades on some of the core devices in the
DC
- Failover testing
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:29am GMT
28th April – 9pm -12am
Maintenance level - Service affecting
Details – THN/VOL/HEX - DC
- Moving devices between London office and Datacentres
- Activate new services in the racks
-Software Upgrades – SMU’s and patches
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:28am GMT
29th April – 12am -4am
Maintenance level - Service affecting
Details – THN/HEX - DC
-Activate new services in the racks
- Software Upgrades – SMU’s and patches
- Failover testing
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 8:05am GMT
29th April – 9pm -12am
Maintenance level - Service affecting
Details – THN/VOL/HEX - DC
Activate new services in the racks
Software Upgrades
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
Apr 9, 7:58am GMT
30th April – 12am - 4am
Maintenance level - Service affecting
Details – THN/VOL/HEX - DC
Test new services in the racks
Software Upgrades
Service impact - Engineers will take care to keep
downtime to a minimum during the maintenance window, but customers might
experience downtime of up to 30min during the upgrades and while changes are
being implemented.
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