Change Orders

The Change Order section contains descriptions of the business functionality of the Number Portability Administration Center Service Management System (NPAC/SMS) as defined by the Number Portability Industry Forum (NPIF). The NPIF was formerly known as the Local Number Portability Administration Working Group (LNPA WG). Change Orders created/managed prior to the restructuring are identified with ‘NANC’ before the Change Order number. The NPIF has a direct relationship to the processes and systems that each Service Provider uses to participate in Number Portability. 

When a change in the NPAC software design is discussed at the NPIF, the proposed change eventually is described in the form of a Change Order. The Change Order document describes the business need for the software change and, at a high level, the software changes required to implement the proposal. As discussions progress, the technical portion of the Change Order is expanded to document both new software requirements and changes to existing software requirements that would result if the Change Order were implemented. Doc Only Change Orders may also be utilized to update Industry Specification(s) as required. 

In this section of the NPIF web site, all Change Orders ever considered are listed. The final Change Order document and the NPIF discussion notes, the Change Order status, and the identity of the software release in which the change order was implemented, are provided in the Change Order Summaries located below.

The status of a Change Order may be either Closed, Open, Requested, or Implemented. These terms are defined as follows:

  • Closed – The Change Order was considered and rejected.
  • Open – The Change Order has been considered and there may be further discussion.
  • Requested – The NPIF has reached agreement on the Change Order and either a Statement of Work (SOW) may be requested and/or the requirements updates (Doc Only) will be included in a future version of the Industry Specification(s).
  • Implemented – The Change Order was adopted and has been implemented in the NPAC system.


Summary & Guidelines


Title Date Originated Description Status Document
NANC 415 12/01/2006 SIP and H.323 URIs in the NPAC Closed Download
NANC 414 11/14/2006 Validation of Code Ownership in the NPAC Implemented Download
NANC 413 05/31/2006 Doc Only Change Order: GDMO Implemented Download
NANC 412 05/31/2006 Doc Only Change Order: FRS Implemented Download
NANC 411 04/30/2006 Doc Only Change Order: IIS Implemented Download
NANC 410 11/11/2005 Doc Only Change Order: IIS Implemented Download
NANC 409 10/27/2005 Doc-Only Change Order: FRS Updates Implemented Download
NANC 408 10/25/2005 SPID Migration Automation Change Implemented Download
NANC 407 09/01/2005 NPAC Range Operations and Associated Notifications Implemented Download
NANC 406 07/28/2005 Doc Only Change Order: FRS Implemented Download
NANC 405 07/15/2005 Doc Only Change Order: IIS Implemented Download
NANC 404 07/15/2005 Doc Only Change Order: GDMO Implemented Download
NANC 403 03/30/2005 Only allow Recovery Messages to be sent during Recovery Implemented Download
NANC 401 01/13/2005 Separate LSMS Association for OptionalData Fields Closed Download
NANC 400 01/05/2005 URI Fields Implemented Download
NANC 399 01/05/2005 SV Type and Alternative SPID Fields Implemented Download
NANC 398 09/27/2004 WSMSC data discrepancy situation with NANC 323 Migration Closed Download
NANC 397 07/28/2004 Large Volume Port Transactions and SOA Throughput Implemented Download
NANC 396 09/09/2004 NPAC Filter Management – NPA-NXX Filters Implemented Download
NANC 395 06/30/2004 LATA ID and NPA Split Reference Files Implemented Download
NANC 394 06/16/2004 Consistent Behavior of Five-Day Waiting Period Between NPA-NXX-X Creation and Number Pool Block Activation, and Subscription Version Creation and its Activation Implemented Download
NANC 393 05/06/2004 NPAC Updated Performance Requirements Implemented Download
NANC 392 03/11/2004 Removal of Cloned Copies of SVs and NPBs Implemented Download
NANC 391 01/07/2004 Doc-Only Change Order: FRS Updates Implemented Download
NANC 390 10/16/2003 New Interface Confirmation Messages SOA/LSMS- to- NPAC Closed Download