National ISDN Ordering Codes (IOCs) have been adopted by the Regional Bell Operating Companies to facilitate ISDN ordering and line provisioning. IOCs can be divided into two categories--NI-1 IOCs and NI-2 IOCs. The remainder of this page discusses NI-1 IOCs. The details regarding NI-2 IOCs--and how they differ from NI-1 IOCs--are described on the next page.

Generic IOCs, or ISDN Capability Packages, reflect a standard set of commonly used interface configurations for an ISDN Basic Rate Interface.

Non-Generic IOCs are based on Generic IOCs. The Industry recommends Generic IOCs be used wherever possible. However, where this is not possible, Equipment/Applications Developers may register a Non-Generic IOC with Telcordia.

Archived IOCs. The North American ISDN Users' Forum (NIUF) has approved a new methodology to further streamline the IOC simplification process - IOC archiving. Many Generic and Non-Generic IOCs have had very limited or no activity over the last few years. Also, many Generic IOCs have never had CPE registered with them. IOCs that fall into this category have been archived. Archived IOCs are noted in the following Generic IOC listing.

The definition of an archived IOC is as follows:

• The National IOC Process will not register any new equipment with an Archived IOC.
• Service providers will not take any new orders for an Archived IOC.
• Operational support will not be provided for an Archived IOC.
• An Archived IOC will remain in Telcordia documentation, but it will be flagged as Archived
• The letter designation for an Archived IOC will not be reused.
• An Archived IOC can be reactivated at a later date, if desired. However, operational support may be needed to bring it up to date.
• Note that a Non-Generic IOC continues to be valid, even if the Generic IOC it was based on has been Archived.

EZ-ISDN IOCs are designed as "superset" packages that can simultaneously meet the needs of many of the top volume mass market applications. CPE may register as either Fully Conformant or Compatible with an EZ-ISDN IOC.

A key aspect of the EZ-ISDN IOCs is that they offer a more "relaxed" registration criterion for registration of CPE. This relaxed registration enables a more varied set of CPE to register with the EZ-ISDN IOCs, making ISDN easier for the mass market to order. The "relaxed" registration criterion is known as Compatible. Whereas CPE must be Fully Conformant with (exactly match) the Generic and Non-Generic IOCs (e.g., Capability S), the Compatible criterion allows CPE to match only some of the features and capabilities in the EZ-ISDN IOCs. For CPE to register as Compatible with the EZ-ISDN IOCs, the CPE must work on a line provisioned with the EZ-ISDN IOC, although it may not necessarily make use of all the features and capabilities defined in the EZ-ISDN IOC. Also, the features and capabilities that the CPE does not utilize, but are still part of the EZ-ISDN Translations, must not adversely affect the operation of the CPE.

Note: All switch translations associated with an EZ-ISDN IOC are programmed into the ISDN switch. It is the CPE that has the option to use some or all of the translations.

The National ISDN Registry of Customer Equipment lists equipment models that have enrolled in the NIUF-supported registration process provided by Telcordia.

Contact your service provider for ISDN Capability Package pricing and ordering information for your home or office.

Capability Package Definitions

• Capability Package A:

  Basic D-Channel Packet services. No voice capabilities are provided.

• Capability Package B:

  Circuit Switched Data on one B-Channel. No voice capabilities are provided, basic voice capabilities (no features) are supported.

• Capability Package C:

  Alternate Voice/Circuit Switched Data on one B-channel. Only basic voice capabilities (no features) are supported.

• Capability Package D:

  Voice on one B-Channel and basic D-Channel Packet services. Only basic voice capabilities (no features) are supported.

• Capability Package E: (ARCHIVED)

  Voice on one B-Channel and basic D-Channel Packet services. Voice capabilities include Three-way (Conference) Calling, Call Hold, Call Drop, and Call Transfer.

• Capability Package F: (ARCHIVED)

  Voice on one B-Channel and basic D-Channel Packet services. Voice capabilities include Three-way (Conference) Calling, Call Hold, Call Drop, and Call Transfer, and uses CACH EKTS.

• Capability Package G:

  Voice on one B-Channel and Circuit Switched Data on the other B Channel. Voice capabilities include Three-way (Conference) Calling, Call Hold, Call Drop, and Call Transfer.

• Capability Package H: (ARCHIVED)

  Voice on one B-Channel and Circuit Switched Data on the other B Channel. Voice capabilities include Three-way (Conference) Calling, Call Hold, Call Drop, and Call Transfer, and uses CACH EKTS.

• Capability Package I:

  Circuit Switched Data on both B-Channels. No Voice or Packet capabilities are provided.

• Capability Package J:

  Alternate Voice/Circuit Switched Data on one B-Channel, and Circuit Switched Data on the other B Channel. Only basic voice capabilities (no features) are provided.

• Capability Package K:

  Alternate Voice/Circuit Switched Data on one B Channel, and Circuit Switched Data on the other B-Channel. Voice capabilities include Three-way (Conference) Calling Call Hold, Call Drop, and Call Transfer.

• Capability Package L: (ARCHIVED)

  Alternate Voice/Circuit Switched Data on one B-Channel, and Circuit Switched Data on the other B Channel. Voice capabilities include Three-way (Conference) Calling, Call Hold, Call Drop, and Call Transfer, and uses CACH EKTS.

• Capability Package M:

  Alternate Voice/Circuit Switched Data on both B Channels. Only basic voice capabilities (no features) are provided.

• Capability Package N: (ARCHIVED)

  Alternate Voice/Circuit Switched Data on one B Channel, Circuit Switched Data on the other B Channel, and D-Channel Packet. Voice capabilities include Three-way (Conference) Calling, Call Hold, Call Drop, and Call Transfer.

• Capability Package O: (ARCHIVED)

  Alternate Voice/Circuit Switched Data on one B Channel, Circuit Switched Data on the other B Channel, and D-Channel Packet. Voice capabilities include Three-way (Conference) Calling, Call Hold, Call Drop, and Call Transfer, and uses CACH EKTS.

• Capability Package P:

  Alternate Voice/Circuit Switched Data on both B Channels, and D-Channel Packet. Voice capabilities include Three-way (Conference) Calling, Call Hold, Call Drop, and Call Transfer.

• Capability Package Q:

  Alternate Voice/Circuit Switched Data on both B Channels, and D-Channel Packet. Voice capabilities include Three-way (Conference) Calling, Call Hold, Call Drop, and Call Transfer, and uses CACH EKTS.

• Capability Package R:

  Circuit Switched Data on 2 B channels. Data capabilities include Calling Number Identification. No voice capabilities are provided.

• Capability Package S:

  Alternate Voice/Circuit Switched Data on 2 B channels. Data and voice capabilities include Calling Number Identification.

• Capability Package T: (ARCHIVED)

  Voice on 2 B channels and basic D-channel packet. Only basic voice capabilities are provided, with no features.

• Capability Package U:

  Alternate Voice/Circuit Switched Data on both B channels. Voice capabilities include non-EKTS voice features including Flexible Calling, Call Forwarding Variable, Additional Call Offering, and Calling Number Identification (which includes Redirecting Number Delivery). Data capabilities include Calling Number Identification (which includes Redirecting Number Delivery). This package is identical to EZ-ISDN1 with respect to switch translations.

• Capability Package V:

  Alternate Voice/Circuit Switched Data on 2 B channels. Voice capabilities include non-EKTS voice features including Flexible Calling, Advanced Call Forwarding (i.e., Call Forwarding Variable, Call Forwarding Interface Busy, Call Forwarding Don't Answer, and Message Waiting Indicator), Additional Call Offering, and Calling Number Identification (which includes Redirecting Number Delivery). Data capabilities include Calling Number Identification (which includes Redirecting Number Delivery). This package is identical to EZ-ISDN1A with respect to switch translations.

• Capability Package W

  Capability W is equivalent to Capability R with the addition of D-channel packet capabilities. Capability Package W includes circuit-switched data on two B-channels, and D-channel packet. Three Directory Numbers are provisioned; each circuit-switched Directory Number is allowed access to only one B-channel at a time (unlike Capability Package R). Circuit-switched data capabilities include Calling Number Identification (which includes Redirecting Number Delivery). No voice capabilities are provided.

• Capability Package X

  Capability X is equivalent to Capability S with the addition of Additional Call Offering for voice, as well as D-channel packet capabilities. Capability Package X includes alternate voice/circuit-switched data on two B-channels, and D-channel packet. Three Directory Numbers are provisioned; each circuit-switched Directory Number is allowed access to only one B-channel at a time (unlike Capability Package S). Voice features include Additional Call Offering and Calling Number Identification (which includes Redirecting Number Delivery). Circuit-switched data capabilities include Calling Number Identification (which includes Redirecting Number Delivery).

• Capability Package AB

  Capability Package AB is equivalent to Capability Package U, with two changes: the inclusion of all the voice features on both Directory Numbers and the addition of D-channel packet capabilities. Capability Package AB includes alternate voice/circuit-switched data on two B channels and packet data on the D-channel. Three Directory Numbers are provisioned; each circuit-switched Directory Number is allowed access to only 1 B channel at a time. This package provides non-EKTS voice features, including Flexible Calling, Call Forwarding Variable, Additional Call Offering, and Calling Number Identification (which includes Redirecting Number Delivery) on both circuit-switched Directory Numbers. Circuit-switched data capabilities include Calling Number Identification (which includes Redirecting Number Delivery) on both circuit-switched Directory Numbers.

• Capability Package AC

  Capability Package AC is equivalent to Capability Package V, with two changes: the inclusion of all the voice features on both Directory Numbers and the addition of D-channel packet capabilities. Capability Package AC includes alternate voice/circuit-switched data on two B channels and packet data on the D-channel. Three Directory Numbers are provisioned; each circuit-switched Directory Number is allowed access to only 1 B channel at a time. This package provides non-EKTS voice features, including Flexible Calling, Advanced Call Forwarding (i.e., Call Forwarding Variable, Call Forwarding Interface Busy, Call Forwarding Don't Answer, and Message Waiting Indicator), Additional Call Offering, and Calling Number Identification (which includes Redirecting Number Delivery) on both circuit-switched Directory Numbers. Circuit-switched data capabilities include Calling Number Identification (which includes Redirecting Number Delivery) on both circuit-switched Directory Numbers.

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EZ-ISDN IOCs

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Telcordia documents may be ordered on-line or call 1-800-521-2673.

Additional Telcordia publications describing the IOC process and content:

• SR-3622, "National ISDN Ordering Codes Overview and Code Listing," lists all Generic/Non-Generic IOCs and the CPEs that are registered with them to date. SR-3622 is intended for industry stakeholders that need information on IOCs and Customer Premise Equipment (CPE) but not the actual switch translations.

  SR-3622 may be ordered on-line or call 1-800-521-2673.

• "National ISDN Ordering Codes," plus revisions, informs the industry of the National IOCs that have been registered to date with Telcordia, including the switch translations for all Generic and Non-Generic IOCs plus their associated CPE and IOC Fact Sheets. "National ISDN Ordering Codes" is intended for industry members, most particularly service providers (LECs) with responsibility for service negotiation, service orders and recent change/memory administration.

  Anyone who is interested in ordering the "National ISDN Ordering Codes" should contact the ISDN Deployment Consulting Services at (732)758-5225.

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