Services Status

components affected: IP Voice - HVS - Applications – under maintenance Aug 10, 2026 22:00 BST maintenance – Hello, Please be advised that we’ll be carrying out planned works for the iCallSuite Call Analytics product between 22:00 (UK Time) Monday 10 August 2026 until 02:00 (UK Time) Tuesday 11 August 2026. This change will perform a switchover to our secondary site for the purpose of testing our geo-resilience capability is operating as expected. As part of this, new IP addresses are being provided for our secondary site, so where necessary, customer may need to update their firewalls. These IP addresses are as follows: 20.162.9.76 20.162.9.16 20.162.9.99 During the upgrade, access to the Call Analytics portal will be intermittent and there may be some delay in data processing.

components affected: IP Voice - HVS - Ordering – under maintenance IP Voice - HVS - Portals – under maintenance Aug 8, 2026 22:00 BST maintenance – Hello, Just to let you know, we will be carrying out necessary work to improve our systems between 22:00 (UK Time) Saturday 8th August until 06:00 (UK Time) Sunday 9th August 2026 (we might need up to another 6 hours in case we overrun). We will be working on HVS. Please don't try to submit orders or faults between 22:00 (UK Time) 08/08/2026 until 06:00 (UK Time) 09/08/2026.

components affected: IP Voice - HVS - Portals – under maintenance Aug 1, 2026 00:00 BST maintenance – Hello, Just to let you know, we will be carrying out necessary work to improve our systems between 00:00 (UK Time) until 06:00 (UK Time) Saturday 01 August 2026. We will be working on HVS. Service Service Impact Statement Order Submission via Business Zone Please don't try to submit orders between 00:00 (UK Time) until 06:00 (UK Time) 01/08/2026 Access to Business Portal for feature management Available KCI's KCI's maybe intermittent and delayed during the outage

components affected: IP Voice - HVS - Devices – under maintenance Jul 15, 2026 19:00 BST maintenance – Hello, Just to make you aware, there will be a firmware update for the Yealink W70 devices. The update will be implemented between 19:00 (UK Time) and 21:00 (UK time) on Wednesday 15th July 2026. We are updating Yealink W70 devices to firmware version 87.3. This update is being applied to resolve an ongoing issue affecting handset time and date synchronisation. Firmware 87.3 includes fixes that improve the accuracy and reliability of time and date updates, ensuring handsets display the correct information and operate as expected. Action Required: No manual intervention is needed if your devices are already registered with the WHC system. However, it is recommended to verify that your devices are connected to the network and properly registered. This will cause no issues with the operation of the phones during this time. Devices will update automatically on their polling day or after a reboot.

components affected: IP Voice - HVS - Devices – under maintenance Jul 6, 2026 19:00 BST maintenance – Hello, Just to make you aware we are planning to deploy a configuration update across all Polycom devices between 19:00 (UK Time) and 21:00 (UK Time) on Monday 6th July 2026. We are updating the configuration on Polycom devices to modify the SIP response sent when an incoming call is rejected while ringing. Following this update, devices will return a 486 Busy Here response instead of the current 601 Decline response. This change is being implemented proactively to align call handling behaviour across supported endpoints. Action Required: No manual intervention is needed if your devices are already registered with the HVS system. However, it is recommended to verify that your devices are connected to the network and properly registered. This will cause no issues with the operation of the phones during this time. Devices will update automatically on their polling day or after a reboot.

components affected: IP Voice - HVS - Portals – under maintenance Jul 4, 2026 00:00 BST maintenance – Hello, Just to let you know, we will be carrying out necessary work to improve our systems between 00:00 (UK Time) until 06:00 (UK Time) Saturday 4 July 2026. We will be working on HVS. Service Service Impact Statement Order Submission via Business Zone Please don't try to submit orders between 00:00 (UK Time) until 06:00 (UK Time) 04/07/2026 Access to Business Portal for feature management Available KCI's KCI's maybe intermittent and delayed during the outage

components affected: IP Voice - Wholesale SIP Trunking – degraded performance Jun 26, 2026 08:03 BST resolved – Jun 11, 2026 10:27 BST notification – There have been Important Security Enhancements applied to Wholesale SIP trunking To protect you and your customers, the following changes have been made to the Wholesale SIP platform: SIP Trunk Passwords - Passwords are now masked in the portal. Only the last 3 digits will be visible. To reset a password, please go to the Trunk Edit page. Access Control Lists - ACLs have been automatically applied to all registration-based SIP trunks. If a customer needs their ACL removed, they must first generate a new SIP trunk password. Fraud Destination Blocking - High-value destinations identified as exclusively used for fraud have been blocked across the Giacom network.

components affected: IP Voice - HVS - Portals – degraded performance Jun 26, 2026 08:02 BST resolved – Hello, We are pleased to confirm issues affecting multiple applications has now been resolved. Thank you for your patience and we apologise for any inconvenience this may have caused. Jun 25, 2026 16:22 BST investigating – Hello, BT support teams are continuing to investigate this incident as a priority one issue , we apologise for any inconvenience that this may cause. We will aim to provide a further update in 2 hours. Jun 25, 2026 14:07 BST investigating – Hello, Yesterday BT experienced a major outage that impacted advisors and business users across multiple applications. Recovery activity has taken place overnight, and while services are now recovering, teams across BT Wholesale are continuing to monitor the situation and clear any backlog of stuck orders and faults. BT support teams are continuing to investigate and we apologise for any inconvenience that this may cause. We will aim to provide a further update in 2 hours. Jun 25, 2026 10:32 BST monitoring – Good morning. BT are continuing to monitor the situation closely. Formal confirmation will be issued once services have fully returned to 100% capacity. While services are largely back in operation and functioning, they are still observing some intermittent issues as stability is fully restored. We will provide a further update once full service has been confirmed. Jun 24, 2026 12:52 BST investigating – BT Wholesale Incident Hello, A major outage continues to prevent customers, advisors, and business users from accessing multiple critical systems, meaning users are unable to log in, complete sales, manage accounts, handle customer interactions, or use self-service channels. Some services are recovering, but key systems remain impacted. Our support teams are working toward full resolution. A further update will be provided within the next 2 hours or sooner if more information becomes available. Jun 24, 2026 09:38 BST identified – Hello, BT have identified a major outage preventing customers, advisors, and business users from accessing multiple critical systems, meaning users are unable to log in, complete sales, manage accounts, handle customer interactions, or use self-service channels. BT support teams are investigating, and a further update will be provided when more information becomes available. We hope this doesn't cause you too much trouble and we apologise for any inconvenience that this may cause.

components affected: IP Voice - HVS - Portals – under maintenance Jun 6, 2026 22:00 BST maintenance – Hello, Just to let you know, we will be carrying out necessary work to improve our systems between 22:00 (UK Time) Saturday 6th June until 06:00 (UK Time) Sunday 7th June 2026 (we might need up to another 6 hours in case we overrun). We will be working on HVS. Service Service Impact Statement Order Submission via Business Zone Please don't try to submit orders between 22:00 (UK Time) 06/06/2026 until 06:00 (UK Time) 07/06/2026 Access to Business Portal for feature management Available KCI's KCI's maybe intermittent and delayed during the outage

components affected: IP Voice - HVS - Portals – under maintenance Jun 6, 2026 00:00 BST maintenance – Hello, Just to let you know, we will be carrying out necessary work to improve our systems between 00:00 (UK Time) until 06:00 (UK Time) Saturday 6th June 2026. We will be working on HVS. Service Service Impact Statement Order Submission via Business Zone Please don't try to submit orders between 00:00 (UK Time) until 06:00 (UK Time) 06/06/2026 Access to Business Portal for feature management Available KCI's KCI's maybe intermittent and delayed during the outage

components affected: IP Voice - HVS - Portals – partial outage Jun 5, 2026 21:01 BST resolved – Good evening We are pleased to confirm that BT have advised the Business Zone portal service outage has now been resolved and services have been restored. Access should now be operating as normal. Thank you for your patience and understanding, and we apologise for any inconvenience caused. Jun 5, 2026 20:31 BST monitoring – Good evening, We are beginning to see signs of service restoration, with the Business Zone portal now allowing users to successfully log in. Services are continuing to come back online following the earlier outage. We are continuing to monitor the situation closely and are awaiting further updates, which we will share as soon as they become available. Thank you for your continued patience and understanding. Jun 5, 2026 16:32 BST investigating – Good afternoon We appreciate your patience on this matter. At present, we have not received any further updates from BT. Please be assured that we are actively following up with them and will share any new information with you as soon as it becomes available. Thank you for your understanding. Jun 5, 2026 13:30 BST identified – Good afternoon BT have advised that there is a widespread, cross‑channel service outage impacting access to HVS Business Zone portal (btwholesale.com). Authentication and identity services are heavily impacted, causing downstream failures across multiple APIs and platforms. Customers and advisors are experiencing login failures. We will provide our next update at 15:45 or sooner if more information becomes available. Jun 5, 2026 11:00 BST investigating – Good morning, We are currently aware of an issue affecting access to the HVS Business Zone portal (btwholesale.com). Users are unable to login. BT support teams have been made aware and are actively working on the issue. We will provide further updates as soon as more information becomes available.

components affected: Portal - Login – under maintenance Jun 3, 2026 19:00 BST maintenance – Please be informed that emergency maintenance is scheduled for today from 19:00 to 21:00. During this window, there may be brief interruptions to service. We will work to minimize any disruption.

components affected: IP Voice - HVS - Portals – under maintenance May 9, 2026 22:00 BST maintenance – Hello, Just to let you know, we will be carrying out necessary work to improve our systems between 22:00 (UK Time) Saturday 9th May 2026 until 06:00 (UK Time) Sunday 10th May 2026 (we might need up to another 12 hours in case we overrun). We will be working on HVS. Service Service Impact Statement Order Submission via Business Zone - Please don't try to submit orders between 22:00 (UK Time) 09/05/2026 until 06:00 (UK Time) 10/05/2026 Access to Business Portal for feature management Available KCI's KCI's maybe intermittent and delayed during the outage

components affected: IP Voice - HVS - Portals – under maintenance May 2, 2026 00:00 BST maintenance – Hello, Just to let you know, we will be carrying out necessary work to improve our systems between 00:00 (UK Time) until 06:00 (UK Time) Saturday 2nd May 2026. We will be working on HVS. Service Service Impact Statement Order Submission via Business Zone Please don't try to submit orders between 00:00 (UK Time) until 06:00 (UK Time) 02/05/2026 Access to Business Portal for feature management Available KCI's KCI's maybe intermittent and delayed during the outage

components affected: IP Voice - HVS - Devices – under maintenance Apr 22, 2026 19:00 BST maintenance – Hello, Just to make you aware, there will be a firmware update for the Yealink CP965 and CP925 devices. The update will be implemented between 19:00 (UK Time) and 21:00 (UK time) on Wednesday 22nd April 2026. We are updating Yealink CP965 and CP925 devices to firmware version 87, the firmware is being updated proactively to ensure compatibility with future stock. Upcoming devices may ship with firmware v87, which cannot be rolled back to the current release. Updating now prevents potential incompatibility issues and ensures seamless support. No manual intervention is needed if your devices are already registered with the HVS system. However, it is recommended to verify that your devices are connected to the network and properly registered. This will cause no issues with the operation of the phones during this time, Devices will update automatically on their polling day or after a reboot.

components affected: IP Voice - HVS - Devices – under maintenance Apr 20, 2026 19:00 BST maintenance – Hello, Just to make you aware, there will be a firmware update for the Yealink W80 devices. The update will be implemented between 19:00 (UK Time) and 21:00 (UK time) on Monday 20th April 2026. We are updating Yealink W80 devices to firmware version 87.2, the firmware is being updated proactively to ensure compatibility with future hardware versions. Updating now prevents potential incompatibility issues and ensures seamless support. No manual intervention is needed if your devices are already registered with the HVS system. However, it is recommended to verify that your devices are connected to the network and properly registered. This will cause no issues with the operation of the phones during this time. Devices will update automatically on their polling day or after a reboot

components affected: IP Voice - HVS - Applications – under maintenance Apr 18, 2026 00:00 BST maintenance – Hello, Please be advised that we’ll be carrying out OS security patching on the Call Analytics platform between 00:00 (UK Time) until 08:00 (UK Time) Saturday 18th April 2026. For a short period during this window, the Call Analytics portal may be inaccessible and data processing may be slightly delayed.

components affected: IP Voice - HVS - Portals – under maintenance Apr 11, 2026 22:00 BST maintenance – Hello, Just to let you know, we will be carrying out necessary work to improve our systems between 22:00 (UK Time) Saturday11th April until 06:00 (UK Time) Sunday 12th April 2026 (we might need up to another 6 hours in case we overrun). We will be working on HVS. Order Submission via Business Zone - Please don't try to submit orders between 22:00 (UK Time) 11/04/2026 until 06:00 (UK Time) 12/04/2026 Access to Business Portal for feature management Available KCI's KCI's maybe intermittent and delayed during the outage

components affected: IP Voice - HVS - Portals – under maintenance Apr 4, 2026 00:00 BST maintenance – Hello, Just to let you know, we will be carrying out necessary work to improve our systems between 00:00 (UK Time) until 06:00 (UK Time) Saturday 4th April 2026. We will be working on HVS. Order Submission via Business Zone - Please don't try to submit orders between 00:00 (UK Time) until 06:00 (UK Time) 04/04/2026 Access to Business Portal for feature management: Available KCI's: KCI's maybe intermittent and delayed during the outage

components affected: IP Voice - HVS - Portals – under maintenance Mar 28, 2026 22:00 GMT maintenance – Hello, Just to let you know we will be carrying out necessary work to improve our systems between 22:00 (UK Time) Saturday 28 March 2026 until 03:00 (UK Time) Sunday 29 March 2026. We will be working on BTWholesale.com, this means you won't be able to logon to this system or some of its apps.