LM ISDN, Incorporated was established in April 1995 by its President/CEO, Engr. Luis T. Lina, a licensed Electronics and Communications Engineer, a Computer Engineer, and holds a Master’s Degree in Business Administration from the University of Santo Tomas.

LM ISDN, Inc. is known for Auxiliary System Integrator who designs, supply and install and became one of the leading Auxiliary System companies in 1997 for the high-rise building and mall market. ISDN Integration is one of the strengths of ISDN.

LM ISDN’s main systems are the Fire Detection and Alarm, Closed Circuit Television (CCTV), Building Management (BMS), BGM/Paging, Structured Cabling, Access Control, Intercom and Nurse Call System.

Apart from its products and services, ISDN believes that their people are their best asset. The president, who is a full-pledged engineer, is a salesman by heart. Engr. Lina trained, honed, harnessed and equipped the sales team with the technical expertise to handle all these systems. It is believed that the ISDN sales team is like an army with a combined private, sergeant and general rolled into one entity, or a queen in a chess game. LM ISDN sales personnel understands what they sell, can do the take-off and proposals by themselves whose main objective is to satisfy the needs of their clients and give solutions to their problem. Coupled with its good sales team is the technical support and project implementation group, who through the years has shown excellence beyond compare. Their team-up has made them a potent force to contend with in the market.

To observe continuum in ISDN’s quality service and effective teamwork, seminars and technical trainings in and out of ISDN is very important and is encouraged to further enhance the growth, improvement and development of its people.

ISDN believes in the four P’s of Marketing, Good Product, Good Price, Promotion, Place to sell. But we believe more on the 5th “P”, our PEOPLE. This is us … this is LM ISDN.


Corporate Profile


II. Address : 2nd Floor ISDN Bldg., #55 Kitanlad St., Brgy. Doña Josefa, Quezon City

III. Contact Numbers : 743-9382 to 83 413-7454

IV. Website : www.isdn.net.ph

V. Year of Establishment : March 3, 1995 - 24 years in the industry


VII. Field of Specialization / Products sold or offered:

  • Fire Alarm System
  • CCTV Camera System
  • Structured Cabling System
  • BGM / Paging System
  • BMS - Building Management System
  • Door/Card Access Control System
  • Electrical System
  • Intercom System
  • Parking Management System
  • Local Area Networking
  • Nurse Call System
  • Video / Audio Entry Phone
  • PABX System