| AdditionalData | 
Provides classes for working with additional data provided with NG9-1-1 calls. RFC 7852 specifies five components of additional data: Provider Information, Device Information, Service Information, Subscriber Information and Comments. This namespace also provides classes for hangling xCard (the XML format of a vCard) and jCard (the JSON format of a vCard). | 
| AgencyLocator | 
Contains data/model classes required by the server side and the client side of the Agency Locator service specified in Sections 4.15 and E.10 of NENA-STA-010.3b. | 
| BadActor | 
Data/model classes for passing data to the bad actor service of a Border Control Function (BCF) | 
| CommonAlertingProtocol | 
Data/model classes for handling Common Alerting Protocol (CAP) calls as specified in the Common Alerting Protocol Version 1.2 OASIS Standard | 
| ConferenceEvent | 
Data/model classes for the subscribe/notify SIP interface for conference state as specified in RFC 4575 SIP Event Package for Conference State. | 
| DiscrepancyReporting | 
Data/model classes for implementing the client side and the server side of the discrepancy reporting service. These classes can be used by the different functional elements within a NG9-1-1 system. See Sections 3.7 and E.2 of NENA-STA-010.3b. | 
| ECall | 
Model classes that implement the control and meta-data schemas defined in RFC 8147. Note: These classes do not support the European Minimum Set Data (MSD). The control and meta-data schemas are required for implementing the Next Generation Automatic Crash Notificatation (NG-ACN) calls as specified in RFC 8148. | 
| Geocode | 
Classes for the Geocode Conversion Service specified in Sections 4.5.1, 4.5.2 and E.5 of NENA-STA-010.3b. | 
| Held | 
Classes for the HELD protocol as specified in RFC 5985 HTTP-Enabled Location Delivery | 
| HttpUtils | 
ontains utility classes for performing HTTP operations, such as the AsyncHttpRequestor class which is a general purpose HTTP(S) client for NG9-1-1 applications. | 
| I3V3.LogEvents | 
Data/model classes for NG9-1-1 logging as specified in Sections 4.12.3 and E.8 of NENA-STA-010.3b and in the NENA EIDO Conveyance Standard (NENA-STA-024.1a-2023) | 
| I3V3.LoggingHelpers | 
Containes helper classes for logging I3V3 log events such as the I3LogEventClient. | 
| I3SubNot | 
Data/model classes for handling NG9-1-1 SIP Subscribe/Notify event packages such as Element State, Service State, Queue State, etc. | 
| Lost | 
Data/model and utility classes for interfacing to an Emergency Call Routing Function (ECRF) using the LoST protocol. See RFC 5222 LoST: A Location-to-Service Translation Protocol. | 
| Msag | 
Data/model classes for the Master Street Address Guide (MSAG) conversion service. See Sections 4.4.1 and E.4 of NENA-STA-010.3b. | 
| Ng911CertUtils | 
Contains utility classes for building self-signed  and signed X.509 certificates that can be used for testing. These classes can build X.509 certificates that include the certificate extensions required for NG9-1-1 systems. See Public Safety Answering Point (PSAP) Credentialing Agency (PCA) Certificate Policy | 
| Ng911Common | 
Data/model classes used by all REST/JSON schemas defined in NENA-STA-010.3b. | 
| Ng911Lib.Utilities | 
Utility classes for serializing and deserializing JSON and XML documents. | 
| NgWebSockets | 
Contains general purpose classes for performing communications using Web Sockets in an Ng9-1-1 application, such as the NgWebSocketClient class for performing asynchronous Web Sockets communications when mutual authentication is required. | 
| Pidf | 
Data/model and utility classes for dealing with location data in NG9-1-1 applications. See Working with PIDF-LO Data. | 
| PolicyRouting | 
Data/model classes for implemting the NG9-1-1 policy routing rules. See Sections 3.3.3 and E.1 of NENA-STA-010.3b. | 
| PolicyStore | 
Data/model classes for implementing the server side and the client side of the Policy Store Services defined in Sections 3.3.1 and E.1 of NENA-STA-010.3b. | 
| SipRecMetaData | 
Data/model classes for dealing with the meta data XML document used in the SIP Session Recording (SIPREC) protocol. See RFC 7865 Session Initiation Protocol (SIP) Recording Metadata. | 
| TestCall | 
Data/model classes for the NG9-1-1 test call generator interface. See Sections 4.6.18, 4.6.17.1 and E.6 of NENA-STA-010.3b. | 
| Veds | 
Data/Model classes for the Vehicle Emergency Data Set (VEDS) used in NG9-1-1 Advanced Automatic Crash Notification (AACN) calls. See RFC 8148 Next-Generation Vehicle-Initiated Emergency Calls and Advanced Automatic Collision Notification (AACN) Vehicle Emergency Data Set (VEDS) APCO/NENA Candidate ANS 2.102.1.2022. |