Bell Atlantic offers ISDN Basic and ISDN  Primary Service.

ISDN (Integrated Services Digital Network) provides high performance, fully digital access to the worldwide telecommunications network – through standard copper telephone lines. This fast, digital transmission is available virtually everywhere within the Bell Atlantic^® region. ISDN allows employees to tap resources and use new business applications where video images and data flow simultaneously along with fax transmissions and phone conversations.

Without a major network investment, ISDN enables your existing phone line to carry voice, data, and video traffic at speeds over four times faster than a 28.8 Kbps analog line without compression. With compression, speeds can be even faster. (Centrex service may be required).

ISDN Basic Service consists of two 64-Kbps (Kilobytes) B channels lines which are able to carry data,  or voice information. and one 16-Kbps D channel for packet data and call management. The two Basic Service B channels can be combined to transmit data or images at 128-Kbps.

ISDN service is not available in all areas but Bell Atlantic can provide service from the closest central office which is ISDN equipped using Virtual ISDN Service which is available at additional charge from Bell Atlantic. 

What equipment is needed for an ISDN line?

You will require a Network Termination Device (NT-1) and a Terminal Adapter for the connection of equipment at your location to the ISDN interface.

If you would like more information about FOURnet's ISDN Services, please send email to a FOURnet Representative. 

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