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SERVICE
ANNOUNCEMENTS

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August 2023


Maintenance Activity

Date:

26 August 2023

Time:

00:00hrs to 05:00hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

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

Maintenance Activity

Date:

19 August 2023

Time:

00:00hrs to 05:00hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

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

Maintenance Activity

Date:

12 August 2023

Time:

00:00hrs to 05:00hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

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

July 2023


Maintenance Activity

Date:

08 July 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:

15 July 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:

22 July 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:

24 July 2023

Time:

23:00 hrs to 23:59 hrs

Affected Exchanges/Areas:

All domain hosted under server Caligula

Remarks:

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

Maintenance Activity

Date:

25 July 2023

Time:

00:00 hrs to 00:30 hrs

Affected Exchanges/Areas:

All domain hosted under server Caligula

Remarks:

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

M1 Urgent Network Maintenance Activity

Date:

26 July 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.

June 2023


Network Maintenance

Date:

24 June 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

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

Network Maintenance

Date:

17 June 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

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

Network Maintenance

Date:

10 June 2023

Time:

00:00 hrs to 05:00 hrs

Affected Exchanges/Areas:

Wireless@SGx Service

Remarks:

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

May 2023


Maintenance Activity

Date:

6 May 2023

 

Time:

00:00 hrs to 05:00 hrs

Impact:

Wireless@SGx Service

Remarks :

Intermittent disruption of Wireless@SGx service during the maintenance window

Maintenance Activity

Date:

13 May 2023

 

Time:

00:00 hrs to 05:00 hrs

Impact:

Wireless@SGx Service

Remarks :

Intermittent disruption of Wireless@SGx service during the maintenance window

Maintenance Activity

Date:

20 May 2023

 

Time:

00:00 hrs to 05:00 hrs

Impact:

Wireless@SGx Service

Remarks :

Intermittent disruption of Wireless@SGx service during the maintenance window

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.