Our web hosting platform is experiencing internal connectivity problems to sql cluster.

We are experiencing a high load on one of our email storages system and some email messages are / will be delayed

We are experiencing a high load on one of our hosting storages system and some customer websites will timeout.

We are currently experiencing an issue with customer control panels.

We will be performing essential work on one of our customer facing file storage servers, clearwater, to ensure long term service continuity

An essential upgrade is required to maintain and implement improved security and stability to the Plesk platform.

We are aware of inbound call issues for customers who have ported numbers into Gradwell

One of our mail storage servers (Yellowstone) is currently unavailable

One of our file storage servers (Yellowstone) is currently unavailable

We are currently investigating reports from customers using out IAX platform that calls are failing within the first 30 seconds of being set up

We are currently investigating a network routing issue within the Gradwell network

We are aware of some customers having issues with their broadband connections failing intermittently

We are currently aware of customers websites being unavailable due to a storage failure.

We are aware some customers may be experiencing intermittent IAX Outbound call failures.

We will be performing essential work on one of our customer facing file storage servers, clearwater, to ensure long term service continuity.

We need to perform essential maintenance to increase network capacity.

We need to perform essential maintenance to increase network capacity.

We will be completing the upgrade of our broadband network as part of our investment into our infrastructure

As part of our ongoing investment in our infrastructure, the next phase is to upgrade a section of our broadband network.

This communication is to notify you that our next phase for deleting stored fax and voicemail aged 3 months or older in accordance with our main terms and conditions is continuing.

We are performing maintenance on one of our call recording file stores to protect service.

This communication is to notify you that in the following three weeks we will deleting stored fax and voicemail aged 3 months or older in accordance with our main terms and conditions.

This communication is to notify you of scheduled maintenance of our account management platform.

We need to perform emergency maintenance on our Fax to Email server which involves moving it onto new hardware in order to protect service.

As part of our action plan to resolve the ongoing VoIP service issues, we are performing emergency cabling work in our Datacentre from 18:00 this evening.

As part of tonight's VoIP platform maintenance, fax to email services will be unavailable.

We will be performing maintenance on the Mailman server (sh-mailing-1) to increase it's storage capacity.

As part of our investment in infrastructure, the next development involves the phased transfer of virtual servers and customer data to our new datacentre. This will take place over the course of the next two to three months, commencing 22nd October 2012.

As the migration of virtual machines to our new datacentre has been successfully completed, we are now commencing with the transfer of customer data onto the new environment. This will take place over the next three weeks, commencing 23rd November 2012.

As part of our planned Infrastructure change program, we will be migrating the virtual storage of our mailing list server to our new datacentre.

We will be performing maintenance on sip.gradwell.net to move away from some legacy IP addresses.

As part of our planned Infrastructure change program, we will be migrating a core virtual server supporting the Gradwell Web proxy service to our new datacentre. This maintenance is a reschedule of the change originally planned last weekend.

As part of our planned Infrastructure change program, we will be migrating one virtual server supporting the Partner Control panel to our new datacentre. This maintenance is required to complete the infrastructure change remaining from last weekend.

As part of our planned Infrastructure change program, we will be migrating our core Fax to Email server to our new datacentre. This maintenance is required to complete the infrastructure change remaining from last weekend.

As part of our planned Infrastructure change program, we will be migrating a core DNS server (NS0) to our new datacentre.

As part of our planned Infrastructure change program, we will be migrating two virtual servers supporting the Partner Control panel to our new datacentre.

As part of our planned Infrastructure change program, we will be migrating our core Fax to Email server to our new datacentre.

As part of our planned Infrastructure change program, we will be migrating a core virtual server supporting the Gradwell Web proxy service to our new datacentre.

As part of our planned Infrastructure change program, we will be migrating two virtual servers supporting API and customer portal access to our new datacentre.

As part of our planned Infrastructure change program, we will be completing the migration of call recording server ‘v-callrec-file-3’ to our new datacentre.

As part of our planned Infrastructure change program, we will be migrating two virtual servers supporting customers Webmail access and Mailing Lists to our new datacentre.

As part of our planned Infrastructure change program, we will be migrating call recording server ‘v-callrec-file-3’ to our new datacentre.

As part of our planned Infrastructure change program, we will be migrating virtual servers to our new datacentre that support customer FTP access and also provide access to the Unix Shell.

As part of our planned Infrastructure change program, we will be migrating two core virtual servers (Mysqldb and Mysql5-db-2) supporting customers websites using MySQL to our new datacentre.

As part of our planned Infrastructure change program, we will be migrating our core virtual DNS Cache servers to our new datacentre. This server supports resolution of IP addresses to domain names.

As part of our planned Infrastructure change program, we will be migrating one core virtual server (Mysql5-3) supporting customers websites using MySQL to our new datacentre.

As part of our planned Infrastructure change program, we will be migrating our virtual servers supporting the gradwell.com corporate website to our new datacentre.

As part of our ongoing Infrastructure Improvement Programme to increase our internal network speeds, we will be upgrading a network switch in our London Datacentre with an additional 10G module between 0300-0500 on 17/10/2012.

Some customers' websites will be offline while database maintenance work is carried out.

Some customers' websites will be offline while database maintenance work is carried out.

Due to essential maintenance of our database platform, some customers' websites will be offline for a short time.

We need to implement a change to the Partner Control Panels to resolve an issue involving a Partner.

Our System Operations team have to perform essential maintenance to our Plesk Hosting server in order to protect services.

As part of our ongoing Infrastructure Improvement Programme to increase resilience and capacity, we will be migrating our core Talk Talk Business Ethernet circuit to a new network switch in our London Datacentre between 22:00 – 24:00 on 27/09/2012.

As part of our continual service improvement program, we will be performing maintenance on our core database servers in order to implement performance improvements and backup configuration changes.

As part of our £1 million plus investment in infrastructure, we are planning some major developments and the first phase is scheduled for August 2012. We are notifying you in advance of dates, specific changes and services affected during these upgrades.

As part of our £1 million plus investment in infrastructure, we are planning some major developments and the first phase is scheduled for August 2012. We are notifying you in advance of dates, specific changes and services affected during these upgrades.

As part of our £1 million plus investment in infrastructure, we are planning some major developments and the first phase is scheduled for August 2012. We are notifying you in advance of dates, specific changes and services affected during these upgrades.

As part of our ongoing infrastructure improvements to our VoIP platform, our Systems Operations Team will be making some minor changes to our DNS configuration for a number of hostnames.

In preparation for our forthcoming infrastructure upgrade project we will be performing some mandatory housekeeping of our Telehouse East Data Centre

As a part of our ongoing upgrades our System Operations team will be performing upgrades and maintenance on customer voip platform from 3am to 9am

As part of our ongoing upgrades our system operations team will be performing upgrades and maintenance on our Email and Web platform from 00:00am to 06:00am

We will be performing a controlled failover of our VoIP backend database server in order to verify the improvement to its high-availability configuration.

As part of our ongoing upgrades our system operations team will be performing upgrades and maintenance to some email servers

Our System Operations team have to perform essential server maintenance to the Onestop Database platform. Some LEA's may be affected during 11:00am to 13:30pm

Our system operations team have to perform essential server maintenance as part of our on going upgrades 22:00 until 1:00am

As part of our ongoing upgrades our system operations team will be performing upgrades and maintenance on some customer mail stores from 3am to 8am on the 13 June 2012

As part of our ongoing upgrades, our system operations team will be performing upgrades and maintenance on our FTP servers during the night.

Key Account and Partner Customer Services will be unavailable from 15:00 - 16:00 to facilitate staff training.

Our Engineers have to perform essential server maintenance in order to protect services.

Our Engineers have to perform essential server maintenance in order to protect services.

As part of our ongoing Infrastructure Improvement Programme to increase resilience and availability of our systems, we will performing tests on our core VOIP service between 0100-0300 on 25/04/2012.

Our Engineers need to perform essential maintenance on the Gradwell One service.

As part of our ongoing Infrastructure Improvement Programme to increase resilience and availability of our systems, we will performing tests on our core VOIP service between 0300-0500 on 19/04/2012.

As part of our on-going upgrades, our systems operations team will be performing upgrades and maintenance on user mail stores and websites over the next 8 days.

As part of our on-going upgrades, our systems operations team will be performing upgrades and maintenance on our call recording file servers.

As part of our ongoing upgrades, our engineering team will be performing some maintenance on some user filestores tonight.

We are performing maintenance to the mailing list service between 0100-0600 on Monday 26th March.

Our Engineers need to reinitialise the primary Gradwell One node and then restart replication.

Our Engineers have to perform emergency server maintenance commencing 20:00 in order to protect services.

######### Unfortunately this window has been extended due to some unforeseen problems with this machines storage. We are working to bring this machine back online as soon as possible

We are updating our core network to increase capacity and resilience

Maintenance is required in our London Datacentre.

We will be updating the VoIP control panel to the latest release.

As part of our ongoing upgrades, we will be moving v-callrec-file-3 to new virtual hardware

As part of our continuing upgrade work we will be upgrading and reconfiguring the load balanced webservers behind gradwell.com

Our Engineers are finalising a set of work to upgrade parts of our network.

As part of our ongoing system upgrades we need to reboot the user filestore 'Clearwater' to introduce some virtual hardware upgrades. This will involve a small amount of downtime.

We need to reboot one of our user file servers 'Dixie' to pick up some upgraded virtual hardware.

Our engineering team need to restart one of the main servers that provide the Gradwell One platform. This will not affect users of our normal hosted VoIP platform.

We are performing upgrades on our network which will result in a few seconds outage across all services. The service will be at risk for the whole window, but outages will be kept to a minimum.

As part of our ongoing network upgrades, we will be changing the path network data takes for our mail platform

Gradwell will be performing maintenance to the SIP proxy - sip.gradwell.com in order to re-introduce a load balancer which was removed during last week's maintenance

We will be upgrading a backup switch to one of a higher specification

We will be upgrading and reconfiguring our customer home store servers

We will be upgrading and reconfiguring our customer mail servers and mail stores

We will be restarting one of the PBX servers in our VoIP SIP trunk and multi-user VoIP cluster.

We will be upgrading and reconfiguring our main control panel servers to enhance the stability and performance of the service.

Some customer facing servers will be reconfigured and/or upgraded to give better performance and enhanced resilience

Gradwell will be replacing part of the credit control infrastructure on all servers within the hosted VoIP servers.

Under certain circumstances, the VoIP NAT proxy can send SIP packets in a loop, and degrade performance. Our vendor will be applying a fix for this issue this evening.

Our network operations centre need to change some of the configuration between our network and the networks of our peers. The previously planned major work for this weekend have been postponed until further notice.

Our supplier is performing updates on some inbound call routing servers.

We will be making firewall changes to our SIP end-points for multi-user and single-line customers.

Maintenance work is needed to reconfigure our core network and this will cause periods of loss of service. We have split this work into four to limit disruption

We are performing an update to our VoIP credit control platform.

We will be releasing a new version of our control panels in order to resolve a regression in the creation of new conference rooms

Maintenance work is needed to reconfigure our core network and this will cause periods of loss of service. We have split this work into four to limit disruption

We will be installing a new version of our credit control platform on one of the servers in our cluster

Our engineers need to install two updates to the software that forms the backbone of our Gradwell One platform

Maintenance work is needed to reconfigure our core network and this will cause periods of loss of service. We have split this work into four to limit disruption.

We will be installing a new version of our credit control software on one of our servers this evening.

Upgrading server to increase speed and efficiency

Upgrading server to increase speed and efficiency

We will be updating some internal API code on Sun 21st Aug 2011 @ 10pm, to fix some problems with viewing certain invoices in the VoIP signup.

We are upgrading the credit control system on our VoIP platform tonight.

We will be updating SSL certificates on two of the Gradwell One (Telepo) servers.

We will be updating SSL certificates on two of our VoIP servers.

We will be updating SSL certificates on two of our VoIP servers.

We will be installing an upgrade to our VoIP credit control platform to support a new feature currently being developed.

We will be making some changes to the structure of internal databases used by our VoIP platform.

Minor maintenance to one of our hosting servers to improve stability.

We will be updating the VoIP control panel.

We will be making a change to a monitoring/failover mechanism on our SIP trunk out server - sip.trunk.gradwell.com

Our local carrier in Japan is planning to carry out maintenance work during the following time window: Start time: 2011-07-30, 13:00 GMT End time: 2011-07-30, 20:00 GMT

One of our inbound carriers is performing some configuration updates on their inbound call routing servers. This is to resolve an issue where some call failures report the wrong error code to the caller.

We are updating some software which generates data used by our credit control platform. This is a change to support some internal product development only.

We are installing some software updates to support some internal product development.

One of our suppliers is changing some inbound phone call routing distribution.

We will be re-enabling our hot spare within the inbound SIP cluster and putting it into live mode to service calls

Our engineering team will be installing the latest upgrades to the Gradwell One servers

We will be updating the VoIP and Hosting control panels to fix some minor problems.

We will be repeating last night's maintenance following review of our hot-spare SIP router configuration

Tonight will begin the deployment of new *.gradwell.net certificates

We will be performing some changes on our control panel servers due to issues with our intermediate authority which some customers are seeing.

A resource issue in our SIP trunk software requires additional monitoring, which will be deployed this evening.

Storage move for call recording servers

We are performing updates on our VoIP credit control platform.

We'll be releasing an update our VoIP control panel to enhance our call barring service and extension based login.

We have become aware of an issue on one of our media gateways which handle inbound traffic to our network. We are going to apply a temporary solution on Sunday night which invlovles restarting the gateway.

We will be performing some maintenance on our load-balanced name servers used by the VoIP platform only.

Update remaining ssl certificates for *.gradwell.com

Update the SSL certificates for web and mail access to gradwell.com domains and sub domains.

Following on from our NAT SIP proxy maintenance on Tuesday, we need to upgrade the remaining server in our NAT proxy cluster.

Renewing the certificates for some gradwell domains.

We will be performing some maintenance on our NAT SIP proxies this evening

We will be performing maintenance on our VoIP credit control platform.

Our VoIP signup system will be updated to fix some minor issues with Mobile signup, and clarify some wording.

We will be releasing updates to the VoIP signup and Gradwell.com to launch a new hardware store and improve user experience through the VoIP signup.

We will be updating our NAT proxies and SIP edge-node; sip.gradwell.com to support further auditing information.

There will be an update of the user control panels to put in place some fixes, make some small changes, etc.

An issue has been identified which may prevent extension numbers being called from SIP trunks. We will be performing maintenance on sip.trunk.gradwell.com in order to resolve this issue this evening.

We will be performing a rolling update on our prepay billing infrastructure to address an issue with original caller-line identification (CLI) on the Gradwell One platform.

We will be performing a change to our billing infrasturcture which will correct an issue with canonical phone number dialing and call barred messages.

We will be applying a minor software upgrade to our Gradwell One platform

Further maintenance will be conducted on our PBX software and SIP edge nodes this evening.

We will be performing maintenance to several key parts of our VoIP infrastructure, including NAT proxy, PBX servers and SIP edge-nodes

We will be performing maintenance on our customer-facing NAT proxy and SIP edgenodes, as well as our core PBX software, and prepay services to increase auditing and allow a call barring feature to be rolled out.

We will be upgrading the core of our Gradwell One platform to the latest version

One of our VoIP DNS servers requires maintenance due to an out of memory condition which cannot be corrected due to another unrelated fault

We will be performing some maintenance on the VoIP server Ford, one of clustered VoIP servers.

Mail servers are being given faster resources.

A small update is needed to correct a display issue on the control panel.

Our engineering team need to restart both media relays used by our Gradwell One platform

One of the servers in our pop cluster will be restarted to resolve a local performance issue.

We have noticed a little instability in one of our virtual hosts, and we would like to perform some maintenance on this machine before this becomes service affecting.

One of the nodes in our VoIP PBX cluster has alerted us to a memory fault. An engineer has been scheduled to replace the memory this evening. We will also be changing a failed disk on our SAN.

We are working to improve the underlying performance of the infrastructure.

A fix for a hold music issue affecting Gradwell One will be applied.

An update is required to some of the code on the hosting control panel.

Due to capacity increases to the core PBX services and outbound SIP servers, a change to our prepay system needs to be made. This resolves an issue where a single call could be incorrectly handled by more than one PBX server.

Several SIP service end-points will be upgraded in order to provide a fix for call pickup and expose more servers to handle SIP trunk traffic. Additionally a fix for intermittent extension information not within CDRs in a timely fashion will be included.

We will be upgrading our hosted VoIP PBX software with a fix which may resolve an intermittent issue with call recording quality, and also making minor changes to the way extensions are written to the calls out section of the control panel

We will be carrying out some essential maintenance and upgrades in our London data centre suite during Thursday night/Friday morning

An update is needed to allow certain MAC codes to pass through our broadband migration code.

As part of our ongoing programme of network upgrades, we will be reconfiguring some IP address routing for our broadband, EFM and ethernet customers.

We will be performing updates to the VoIP control panel, used for customer logins, signups, and partner logins.

Improvements to the hosted VoIP platform to improve throughput and capacity for Hosted single user and multi-user VoIP, and SIP trunks.

In preparation before adding more VoIP servers capacity, we need to carry out various maintenance tasks.

Preventative maintenance is required on a mail relay to ensure future performance.

Following today's issues we're going to improve indexing of the VoIP related database.

We will be performing updates to our VoIP edge-node firewall logic and updating all prepay servers with some new anti-fraud logic

We will be performing work to increase our core database capacity

We need to change the call distribution mechanism to ensure no specific host is overloaded

We will be performing maintenance on the mail file server denali to increase it's storage capacity.

We shall be performing maintenance on the Home file server dixie to increase its storage capacity.

The server which hosts VoIP control panels will be undergoing maintenance to increase it's memory allocation.

The possibility to call international numbers with + instead of 00 will be enabled on all systems for consistency.

This evening it is necessary foe us to make an emergency update to our BES (Blackberry Enterprise Server)

A fix for some specific call transfer scenarios will be released

We will be performing a minor update to our outbound PSTN call routing servers.

The Gradwell One platform will be upgraded to the latest version of the software

Gradwell will moving some of the internet connections that our London network has with the outside world to connect to new routing equipment.

On Monday night we will be installing some patches to two of the servers in our main VoIP cluster, providing Single/Multi-User VoIP, Call Forwarders, and outbound SIP Trunks. Additionally we need to reboot one of these servers.

On Sunday night we will be installing some patches to one of the servers in our main VoIP cluster, providing Single/Multi-User VoIP, Call Forwarders, and outbound SIP Trunks.

Our engineers will be carrying out an upgrade to our stack and core network between 03:00 and 05:00 Sunday morning.

Our engineers will be carrying out an upgrade to our stack and core network between 03:00 and 05:00 Sunday morning.

We shall be rebooted the mail file server "badlands" to increase it's storage capacity.

An update is required to restore some user functionality.

A minor update is needed to change some of the validation on the customer info page.

We will be performing some updates to our VoIP control panels and signup system.

We will be performing maintenance on our distributed, authoritative nameserver - ns1.gradwell.net to resolve a zone transfer issue.

We will be performing maintenance to change some behaviour of the *1 option and voicemail message response

VoIP routing update

OCS proxy replacement

We will install a new version of the nat proxy software

We shall be performing emergency essential maintenance to one of our authoritative nameservers, ns0.gradwell.net

Registration servers update to workaround specific cisco bugs

Conference bugfixes

We will be performing maintenance to the Gradwell One platform. We have extended the maintenance window due to unforeseen difficulties applying the updates.

We are going to improve the resilience of our inbound call routing setup.

Call billing update to allow calling company numbers

Fix for voicemail for ported numbers

We will update some call routing on our Single/Multi-User VoIP platform to support some new internal routing prefixes.

We will perform some minor updates the VoIP control panel and signup system.

We will make some changes to our outbound SIP router severs to support an internal call routing prefix.

We are releasing a new version of our control panels to resolve a number of reported bugs.

Update of configuration on registration proxies

Some issues will be fixed on registration servers

Update for the failover logic for conferences

One of our network partners will be performing maintenance.

We shall be completing work to migrate our internal database servers to new hardware.

Update to the call load balancing algorithm

We will be performing some updates to our customer portal.

Update of the maintenance tools

We will be performing some updates to our VoIP control panel.

We will shortly be rebooting both of the newsip mysql servers to introduce a new disk for log storage.

We will be performing essential maintenance on one of our internal database servers.

Update of scripts controlling call credit

Update of the logging configuration to free up resources.

We need to change the configuration on the databases handling the VoIP traffic.

We shall be performing maintenance on the Gradwell.com website.

We intend to perform critical maintenance on our core network stack.

We will be updating some internal API code tonight, to fix some problems with hardware shipping and VAT codes in our VoIP signup.

We need to update our scripts to get more statistics from the live platform.

On Tuesday, lon-asterisk-1 was migrated from SpinVox to VoxSciences voice-to-text services. This evening we will also upgrade lon-asterisk-2, completing the migration for all customers.

We will be replacing our back-end SpinVox integration on lon-asterisk-1 with our newer VoxSciences integration.

We shall be migrating the remaining virtual machine which was postponed from the previous Saturday.

Billing-related databases need optimisations which should stop the problems with the delays of call routing.

We will be making a few minor charges to our prepay systems, which control outbound calls in real-time, to increase capacity and efficiency.

We are planning to migrate the remaining two virtual machines on one storage node of our VMWare platform.

We plan to perform maintenance to the VoIP to PSTN bridge.

We shall be migrating a small number of virtual machines.

We will fix an outstanding issue that prevented SIP failures to be reported back to the SIP client.

There will be a planned outage of the ADSL availability checker.

We are going to upgrade the VoIP billing application in order to improve performance.

We intend to perform maintenance on the customer shell server.

We are going to upgrade the VoIP billing application in order to improve performance.

We shall be migrating various VoIP related and Webmail virtual machines.

We will be performing maintenance on the servers which route calls from our VoIP platforms to the PSTN.

We will be performing maintenance of the PSTN to VoIP bridge.

We will be performing maintenance of the PSTN to VoIP bridge.

We will be performing maintenance of the PSTN to VoIP bridge.

We will be performing emergency maintenance on the support telephone system.

We will be performing maintenance of the PSTN to VoIP bridge.

Planned IAX loadbalancers upgrade to resolve retransmission issues

We will be performing work to optimise our internal database servers.

We plan to perform maintenance to our registration/presence servers for VoIP.

We shall be performing a migration of the inbound call routing server sip-router-3

We plan to update sip routers traffic handling for internal purposes.

We plan to perform maintenance on the VoIP control panel and signup system.

We plan to perform maintenance to our invoicing system.

We plan to perform maintenance to our IAX load balancers.

We will be performing network maintenance at our Sovereign House location.

We plan to perform maintenance to our registration/presence servers for VoIP.

Emergency work is required to complete the upgrade of one of our network routers.

We plan to perform maintenance to our IAX load balancers.

Tonight we will be launching this new version of Gradwell Status