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SERVICE
ANNOUNCEMENTS

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April 2023


M1 Maintenance Activity

Date:

1 April 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

M1 Maintenance Activity

Date:

15 April 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

M1 Maintenance Activity

Date:

29 April 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

March 2023

Maintenance Activity

Date:

25 Mar 2023

 

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

18 Mar 2023

 

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

11 Mar 2023

 

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

9 Mar 2023

 

Time:

02:00 hrs to 04:00 hrs

Affected Exchanges/Areas:

Jurong West

Remarks:

All Services will be affected during the maintenance window. Users are advised to reboot their ONT/CPE/router/RG if the service is not online after the maintenance window

February 2023


Maintenance Activity

Date:

25 Feb 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

18 Feb 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

11 Feb 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

M1 Cloud UC Vurella Urgent Maintenance

Date:

09 Feb 2023

Time:

2:30 hrs to 5:30 hrs

Affected Exchanges/Areas:

Alpha084

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary. 

M1 Cloud UC Vurella Urgent Maintenance

Date:

03 Feb 2023

Time:

22:00 hrs to 22:15 hrs

Affected Exchanges/Areas:

All Areas

Remarks:

Telephony and vACD services will be affected during this period. 

January 2023


Maintenance Activity

Date:

7 Jan 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

14 Jan 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

28 Jan 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

M1 Urgent Network Maintenance Activity

Date:

31 Jan 2023

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Bedok Exchange

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

December 2022


M1 Urgent Network Maintenance Activity

Date:

22 Dec 2022

Time:

00:00 hrs to 04:00 hrs

Affected Exchanges/Areas:

Tampines Exchange

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

M1 Urgent Network Maintenance Activity

Date:

21 Dec 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Ang Mo Kio Exchange

Remarks:

All services will be impacted.

Maintenance Activity

Date:

16 Dec 2022

Time:

01:00 hrs to 04:00 hrs

Affected Exchanges/Areas:

Hougang Exchange(HGG OLT-02) and Tampines Exchange(TPS OLT-09)

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Maintenance Activity

Date:

15 Dec 2022

Time:

01:00 hrs to 04:00 hrs

Affected Exchanges/Areas:

Jurong West Exchange(JRW OLT-11) and Bukit Panjang Exchange(BKP OLT-12)

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Maintenance Activity

Date:

14 Dec 2022

Time:

01:00 hrs to 04:00 hrs

Affected Exchanges/Areas:

Orchard Exchange(ORC OLT-09) and Ang Mo Kio Exchange(AMK OLT-22)

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Maintenance Activity

Date:

9 Dec 2022

Time:

01:00 hrs to 04:00 hrs

Affected Exchanges/Areas:

Tuas Exchange(TUS OLT-02) and Ayer Rajah Exchange(ARJ OLT-08)

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Maintenance Activity

Date:

8 Dec 2022

Time:

01:00 hrs to 04:00 hrs

Affected Exchanges/Areas:

East Exchange(EST OLT-12) and Bedok Exchange(BDK OLT-09)

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

MBB and Corporate APN Maintenance Activity

Date:

1 Dec 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

MBB (Mobile Broadband) and Corporate APN (Access Point Name)

Remarks:

Minimal Service Impact as there is Redundancy

November 2022

Maintenance Activity

Date:

19 Nov 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

12 Nov 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

05 Nov 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Urgent Network Maintenance Activity

Date:

05 Nov 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

All Exchange

Remarks:

Intermittent disruption of internet services during the maintenance window

October 2022


M1 Urgent Network Maintenance Activity

Date:

28 Oct 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

ROC

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary

Urgent Network Maintenance Activity

Date:

22 Oct 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

All Exchange

Remarks:

Intermittent disruption of internet services during the maintenance window

Maintenance Activity

Date:

22 Oct 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

15 Oct 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Urgent Maintenance

Date:

13 Oct 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Ang Mo Kio, Bukit Panjang, Hougang, Jurong West CO (AMK-MA5800-23, BKP-MA5800-13, HGG-MA5800-03, JRW-MA5800-12)

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Urgent FNA (Facebook Network Applications) Maintenance

Date:

13 Oct 2022

Time:

02:00 hrs to 11:00 hrs

Affected Exchanges/Areas:

No Downtime

Remarks:

Customers will have degraded experience using Facebook / META apps (60 minutes)

M1 Maintenance Activity

Date:

13 Oct 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx OTP Request

Remarks:

M1Net Wireless SMS services will have intermittent impact during the maintenance period

Urgent Maintenance

Date:

12 Oct 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

MOC

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Urgent Maintenance

Date:

11 Oct 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Bedok, East, Orchard, Tampines CO (BDK-MA5800-13, EST-MA5800-15, ORC-MA5800-10, TPS-MA5800-10)

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Urgent FNA (Facebook Network Applications) Maintenance

Date:

11 Oct 2022

Time:

01:00 hrs to 11:00 hrs

Affected Exchanges/Areas:

60 minutes downtime during software upgrade (01:00-02:00 AM)

Remarks:

Customers will have degraded experience using Facebook / META apps (60 minutes)

Urgent Maintenance Activity

Date:

10 Oct 2022

Time:

22:00 hrs to 00:00 hrs

Affected Exchanges/Areas:

Active Domain under Zimbra Server

Remarks:

Access to server will be disrupted less than 3 - 5 minutes during the maintenance window.

Maintenance Activity

Date:

8 Oct 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Urgent Maintenance

Date:

3 Oct 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Ang Mo Kio CO and Tampines CO (AMK-MA5800-22, TPS-MA5800-09)

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

August 2022


Urgent Maintenance

Date:

19 August 2022

Time:

01:00hrs to 05:00hrs

Affected Exchanges/Areas:

Jurong West

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Urgent Maintenance

Date:

2 August 2022

Time:

01:00hrs to 05:00hrs

Affected Exchanges/Areas:

Hougang CO and Ayer Rajah CO (HGG-MA5800-04, HGG-MA5800-05, ARJ-MA5800-11)

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

July 2022


Maintenance Activity

Date:

29 July 2022

Time:

21:30 hrs to 22:15 hrs

Affected Exchanges/Areas:

Active Domain under Shared Server Maximus and Caligula

Remarks:

Access to server will be disrupted less than 15 minutes during the maintenance window.

Urgent Network Maintenance

Date:

28 July 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Tampines and Bukit Panjang CO

Remarks:

Minimal service impact expected.

M1 Maintenance Activity

Date:

17 July 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SG / Cloud Servers / Shared Hosting / Keppel Hosting

Remarks:

Routine and preventive maintenance

Planned Network Maintenance

Date:

17 July 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent service disruption of Wireless@SGx service during the maintenance window.

M1 Maintenance Activity

Date:

16 July 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Jurong West Exchange

Remarks:

All services will be interrupted for about 5-15minutes during the maintenance work

M1 Maintenance Activity

Date:

14 July 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Jurong West Exchange

Remarks:

All services will be interrupted for about 5-15minutes during the maintenance work

M1 Maintenance Activity

Date:

13 July 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Jurong West Exchange

Remarks:

All services will be interrupted for about 5-15minutes during the maintenance work

Planned Network Maintenance

Date:

10 July 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent service disruption of Wireless@SGx service during the maintenance window.

M1 Maintenance Activity

Date:

09 July 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Hougang Exchange

Remarks:

All services will be interrupted for about 5-15minutes during the maintenance work

Maintenance Activity

Date:

07 July 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent service disruption of Wireless@SGx service during the maintenance window.

M1 Maintenance Activity

Date:

06 July 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Tuas Link Exchange

Remarks:

All services will be interrupted for about 5-15minutes during the maintenance work

SMS Maintenance Schedules Affecting Wireless@SG ESSA Registration

Date:

05 July 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx OTP Request

Remarks:

Intermittently, SMS OTP may not deliver during ESSA setup, if end user chooses M1 as operator in the setup process.

Planned Network Maintenance

Date:

03 July 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent service disruption of Wireless@SGx service during the maintenance window.

Maintenance Activity

Date:

02 July 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent service disruption of Wireless@SGx service during the maintenance window.

June 2022


M1 Maintenance Activity

Date:

28 June 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx OTP Request

Remarks:

Intermittently, SMS OTP may not deliver during ESSA setup, if end user chooses M1 as operator in the setup process.

M1 Maintenance Activity

Date:

26 June 2022

Time:

02:00 hrs to 04:00 hrs

Affected Exchanges/Areas:

Bedok Exchange

Remarks:

ll service will be interrupted during the maintenance work

Planned Network Maintenance

Date:

26 June 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Planned Network Maintenance

Date:

25 June 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Fault Rectification

Date:

24 June 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

All CO

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Planned Network Maintenance

Date:

24 June 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

All CO

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

M1 Urgent Maintenance Activity

Date:

23 June 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

All CO

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Planned Network Maintenance

Date:

23 June 2022

Time:

01:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

All CO

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Fault Rectification

Date:

22 June 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Ayer Rajah, Tampines CO

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Planned Network Maintenance

Date:

20 June 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Traffic will failover to Router on Equinix.

Remarks:

Minimal impact to Internet access for all M1Net Customers

Planned Network Maintenance

Date:

19 June 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Planned Network Maintenance

Date:

19 June 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Wireless@SG / Cloud Servers / Shared Hosting

Maintenance Activity

Date:

18 June 2022

Time:

02:00 hrs to 04:00 hrs

Affected Exchanges/Areas:

All M1 Internet Customers

Remarks:

Minimal impact to Internet access for all M1Net Customers during traffic failover.

Planned Network Maintenance

Date:

18 June 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Planned Network Maintenance

Date:

17 June 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

East CO

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Planned Network Maintenance

Date:

14 June 2022

Time:

02:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Bukit Panjang CO, Tampines CO

Remarks:

Minimal service impact expected. Service will switch/route to protection/backup if necessary.

Planned Network Maintenance

Date:

12 June 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

Planned Network Maintenance

Date:

11 June 2022

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

Intermittent disruption of Wireless@SGx service during the maintenance window.

May 2022


M1 Urgent Maintenance Activity

Date:

25 May 2022

 

Time:

01:00 hrs to 05:00 hrs

Impact:

Hougang Exchange

Remarks :

Minimal service impact expected. Service will switch/route to protection/backup if necessary

Maintenance Activity

Date:

19 May 2022

 

Time:

02:00 hrs to 05:00 hrs

Impact:

M1 SIM card user (on EAP-SIM/AKA authentication) may face issue

Remarks :

The impact will be on the M1 SIM card user trying to connect to Wireless@SGx. Only M1 SIM card user who are trying to authenticate or re-authenticate after session time out may face issue during the maintenance period. Non M1 SIM card user and user already authenticated before the maintenance session will not face any issue

Maintenance Activity

Date:

05 May 2022

 

Time:

02:00 hrs to 05:00 hrs

Impact:

M1 SIM card user (on EAP-SIM/AKA authentication) may face issue

Remarks :

The impact will be on the M1 SIM card user trying to connect to Wireless@SGx. Only M1 SIM card user who are trying to authenticate or re-authenticate after session time out may face issue during the maintenance period. Non M1 SIM card user and user already authenticated before the maintenance session will not face any issue