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PUBLIC ADVISORY: IP-PABX Service Maintenance

July 2, 2022

To: All concerned NLP employees, patrons, and clients

Re: IP-PABX Service Maintenance

Please be advised that the National Library of the Philippines (NLP) – Information Technology Division (ITD) will be having service maintenance on our IP-PABX (Internet Protocol-Private Automatic Branch Exchange) system on July 01-03, 2022 (Friday, 5PM to Sunday, 5PM). During this time all incoming and outgoing telephone communication (trunk lines) will be unavailable. This service maintenance will relocate the IP-PABX server rack in order to put in place the newly purchased server and accommodate the institution’s growing requirements. If you have any concerns or questions regarding this implementation, you may email Ms. Maricris Abancia ( or Mr. Christopher Diaz ( We will gladly help you with your technical concerns.

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