'16 kbps' diaporamas de présentation

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Introducing ISDN

Introducing ISDN. Telephone companies developed ISDN (Integrated Services Digital Network) as part of an effort to standardize subscriber services. This included the User-Network Interface (UNI), better known as the local loop .

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ISDN

ISDN. Integrated Services Digital Network 2B+D Basic Rate Interface (BRI) to the desktop Two 64-kbps B channels Can be bonded for 128 kbps service One 16-kbps D channel, usually for supervisory signals. 64 kbps. BRI 2B+D. 64 kbps. ISDN Modem. ISDN. ISDN.

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