A telecommunications network through which sound, images, and data can be transmitted as digitized signals.
- ISDN (integrated services digital network) is becoming essential for small business phone, internet and fax use.
- It is believed DSL, using copper wire and about 10 times faster than integrated services digital network, will remain the main communications line until replaced by optical fiber.
- The emerging telcos have been slow to compete with Eircom in providing broadband services for small businesses such as ISDN (integrated services digital network).
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Line breaks: in¦te|grated ser|vices digi|tal net|work
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