Calapan Telephone System Inc.


The Power of Communications






Welcome to Catsi Official Website. This site is built to inform our subscribers and non-subscribers of the services and technical support that we offer in our company. For our subscribers, there is the CONTACTS page that you can view to be able to know all our telephone numbers and email address for you to message us or call us for your complaints. We will reply as soon as we receive your messages. And for our non-subscribers there is the SERVICES page if you want to know all the services our company provides. If you still want more explanation regarding all the services, our customer service will be willing to provide you additional information if you contact the numbers in our Contacts page.