| A | B |
| Number Portability | Changing service providers without changing your telephone number |
| Federal Communications Commission (FCC) | The governing body over the telecommunication industry. |
| Service Provider Portability | Customer in one location keeps their number but changes to another provider serving the same geographic location. |
| Mobile Directory Number (MDN) | The customer's telephone number. |
| New Service Provider (NSP) | The service provider who's porting IN a new customer. |
| Subscriber | The customer. |
| Old Service Provider (OSP) | The service provider porting OUT an existing customer. |
| Trading Partner | A competitor in the market space. |
| SPID | Service Provider Identification assigned by the NPAC. |
| Intercarrier Communication Process (ICP) | The means by which service providers communicate to port a number. |
| Service Order Administration (SOA) | A means by which service providers can communicate the the NPAC. |
| Number Portability Administration Center (NPAC) | 7 regional databases that store information about all ported numbers. |
| Location Routing Number (LRN) | The number stored at the NPAC with the ported MDN to allow for proper routing. |
| Neustar | Owner of the NPAC |
| Service Management Gateway (SMG) | Syniverse's tool for initiating and completing the ICC/SOA process |
| Message Processing Engine (MPE) | Facilitates intercarrier communication between trading partners |
| Fallout | Anything that doesn't go through during the ICC/SOA process. |
| Telcordia | Syniverse's partner in Number Portability Solutions. |
| New Network Service Provider (NNSP) | The service provider who provides facilities for network routing. |
| New Local Service Provider (NLSP) | The service provider that sends the bills. |
| Old Local Service Provider (OLSP) | The service provider that previously sent the bills. |
| Old Network Service Providers (ONSP) | The service provider who previously provided facilities for network routing |
| Reseller | A company that resells telecommunication services. |
| Subscription | Record on the NPAC database. |
| Version | Keeps track of updates made to subscriptions. |
| Wireless Port Request (WPR) | A NSP's request to port a subscriber's telephone number. |
| Wireless Port Request Response (WPRR) | An OSP's response to a WPR. |
| Confirm | OSP says it's okay to port a number |
| Resolution Required | OSP is requesting updated information in order to allow the port. |
| Delay | OSP is requesting additional time. |
| Supplemental Port Request (SUP) | A NSP's response to a WPRR with resolution required. |
| Create Subscription (Create SV) | A message sent from SOA requesting the NPAC to begin a port. |
| Assumed Concurrence | What the NPAC does if there is no response from the OSP. |
| Activate | Activates the subscriber for service with the NSP. |
| Local Service Management Systems (LSMS) | Databases that mirror the NPAC and provide updates to the NPDBs. |
| Number Portability Databases (NPDBs) | Databases that store MDN/LRNs for network routing purposes. |
| Crossroads | Syniverse's secure web gateway to all Syniverse products and services. |
| Port Request/Response Administration | The SMG menu option where service providers need to go to complete the ICP. |
| Port In Request | Where New Service Providers need to go when porting IN. |
| Wireless Intercarrier Communication Interface Specifications (WICIS) | Wireless industry rules for porting numbers. |
| TN | Telephone Number (same as MDN) |
| Validate | A function that should always be done on port requests. It validates format of data on WPRs. |
| Submit | Sends the WPR to the Trading Partner. |
| Waiting for response. | Anything that is waiting in queue for a response. |
| Port Out Response | Where Old Service Providers need to go when porting OUT. |
| Sup 1 (Cancel) | Tells the OSP to cancel the port request |
| Sup 2 (Change Due Date/Time) | Allows the NSP to modify the due date/time on a port request. |
| Sup 3 (Modify) | Allows the NSP to modify a port request and re-send. |
| Remarks | The field on the WPR/WPRR where service providers can communicate about a port. Required on a sup. |
| Fax Trading Partner | A competitor that can only fax WPR/WPRRs to the SMG. |
| Fax Server | Where TP faxes are first received. |
| OCRFF (Optical Character Reader for Forms | An application that allows for manual intervention on fax ports. |
| Exception | Faxes that come into the OCRFF are referred to as exceptions |