ADR (Additional Data Repository)

An ADR (Additional Data Repository) is a data retrieval facility for Additional Data. The ADR dereferences a URI passed in a Call-Info header field or PIDF-LO  and returns an Additional Data object block. An Identity-Searchable Additional Data Repository (IS-ADR) returns Additional Data associated with an identity.


 * NENA-STA-010, Detailed Functional and Interface Standards for the NENA i3 Solution
 * NENA-STA-012, NENA Standard for NG9-1-1 Additional Data