This document is the NENA recommended standard for the i2 architecture to support the interconnection of VoIP domains with the existing Emergency Services Network infrastructure in support of the migration toward end-to-end emergency calling over the VoIP networks between callers and PSAPs. 

This issue of the i2 standard supports E9-1-1 for fixed and nomadic VoIP services. Support for mobile VoIP services will be covered in a future release of this document.

Please use one of the following methods to submit your comments: 

1. If you are a NENA Committee member, please submit your comments using the NENA Intranet (WebEx) Comments Tracking Database. Select “NEW” and fill in the blanks. If you have a lot of comments you also have the ability to attach a document.
2. If you are not a NENA Committee member, please complete the NENA Document - Comment Tracking Form and email to techdocreview1@nena.org.