UUNET Canada ISDN Services

ISDN (Integrated Services Digital Network) is a service being made available by your telephone carrier which uses digital technology to support voice and data communications. ISDN data transmissions are far superior in performance to those using conventional modem technology.

The standard for delivery of this service is called a Basic Rate Interface (BRI) connection. Each BRI contains two data channels ("B channels"), each of which offer 56 kilobits per second (kbps) accessible bandwidth from your LAN or PC to the Internet.

ISDN transmissions are typically made from your machine to the Internet through hardware that serves as a TCP/IP router and ISDN modem in one unit. This fully digital path eliminates the performance disadvantages associated with converting information into a voice signal for transfer through a conventional modem. Therefore, ISDN transfers are optimal for interactive use.

Typical ISDN Installation

If ISDN/Microlink(tm) services are not available in your area, Centrex-Data lines may be used.

Centrex-Data Installation

What You Will Need

Contact your local telephone company for details on ISDN line service. The Microlink(tm) ISDN service is available in locations nation-wide. Rates for service may vary depending on location, to a maximum of $100 per month for basic service *.

ISDN/Ethernet routers which include an NT1 adapter are available directly from UUNET. If you wish to use your ISDN line for both voice and data, you will need to obtain the NT1 adapter available from your telephone company. When setting up service with us, please inform us that you will be using your line for both types of transfer.

If you plan to purchase an ISDN/Ethernet router for use with our service it must be capable of making a completely synchronous PPP connection over an ISDN line using CHAP (the Challenge Handshake Authentication Protocol).

UUNET Canada's ISDN service offers Internet consumers a substantial increase in bandwidth per dollar. The following chart compares the operational costs of a v.32bis and ISDN connection.

                         v.32bis      ISDN

Internet Connection      $600         $500     per "B" channel
Phone Line *             $ 50         $100 **
Total Cost per Month *   $650         $600
Accessible Bandwidth     14.4 kbps    56 kbps  per "B" channel

                          ** provides two independent channels

ISDN Service Pricing

   Dial-up      $ 50 per month
                + $6 per hour online charge
   Dedicated    $500 per month

There are no start-up fees for UUNET Canada's ISDN service. Please ask about our pricing for ISDN/Ethernet routers.

* Microlink(tm) pricing and information is provided as a service to our customers. While every effort is made to ensure that this information is correct and current, UUNET Canada Inc. is not responsible for the accuracy of this information. Contact your telephone company for current prices in your area. ISDN line service is provided through your local phone company.

info@uunet.ca

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