ISDN has two parts access and internet

In Brief
ISDN is the ideal communication medium providing efficient and high quality service at a reasonable price for your home or office.
Is your telephone line at home or in the office always busy due to internet usage, fax transmission, or telephone calls? Are you interested in video conferencing from your home?
Then, ISDN service is the best solution for you. It is a high quality service, with optimum speed and reliability in data transmission.
ISDN is a cost-effective way that provides you with value for your money.
ISDN connection observes international quality standards and provides you with end-to-end digital connectivity, as well as Direct Inward Dialing (DID).
ISDN is a platform service such as telephone, fax, video conferencing, and data transmission through the internet.

benefits:

		ISDN technology increases web pages navigation speeds higher than a normal analogue modems.
		ISDN can connect telephones, faxes and computers all to the same service and you can add more applications and locations as your business grows.
		ISDN can lower communication costs.