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Download ISDN Basic Rate Interface Feature Fundamentals
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Features partially supported by ISDN BRI 325 TOBI to an ISDN BRI terminal is not supported. MFC DOD with outgoing CNI allows outgoing Calling Number Identification information on outgoing MFC trunk calls. CNI information is customer-related and terminal-related, both of which are supported for ISDN BRI. Terminal-related information is a category code defined in overlay 10 or 11. For ISDN BRI terminals, the category code is supported on a DSL basis. Overlay 27 has been modified to configure and print category codes, using the "category code" (CAC) prompt. Outgoing Toll Call Identification allows outgoing toll calls to be identified in a new manner. This feature is supported transparently for ISDN BRI. Addendum to China 1 signaling features comprised of the following: This group of features is • Operator Call Back Feature Enhancement; • Special Operator Call Back Ringing; • Malicious Call Trace Enhancement; • Tones and Announcements; • Active Feature Dial Tone; • Audible Alarm. The Operator Call Back Enhancement allows Call Wait or Camp-On to Calling Party Control and Called Party Control calls, and Attendant Break-in to outgoing Calling Party Control calls and incoming Called Party Control calls. The Camp-on and Break-in capabilities are not supported on ISDN BRI, while the Call Wait capability is supported transparently for ISDN BRI. The Special Operator Call Back Ringing Enhancement provides operator control of ringing cadences used in Toll Operator Call Back. This capability is supported transparently for ISDN BRI. The Malicious Call Trace Enhancement allows a system to have Called Party Control on incoming calls when the Malicious Call Trace (MCT) feature is activated from a station, or when the Multifrequency Compelled (MFC) Idle Call Trace (IDCT) signal is sent. This enhancement is not provided on ISDN BRI. The Tones and Announcement feature allows a howler tone to be given to indicate that an analog (500/2500-type) terminal is off-hook. This capability is not applicable to ISDN BRI terminals. This feature also provides new intercept treatments upon the reception of some MFC signals. This capability is supported transparently for ISDN BRI. Nortel Communication Server 1000 ISDN Basic Rate Interface Feature Fundamentals NN43001-580 01.02 Standard Release 5.0 20 June 2007 Copyright © 2003-2007, Nortel Networks .
