The Forest Guide is a special instance of a LoST server. It is part of the LoST (Location-to-Service Translation) Protocol (RFC 5222) query process and allows client functional elements to discover call routing information outside of its domain (typically their ESInet or state level ECRF/LVF).

Related Terms:

Forest Guide Operator

The organization selected by the Forest Guide Sponsoring Entity to deploy and operate a national Forest Guide.

Forest Guide Sponsoring Entity

The organization(s) that provides oversight and financing for a national Forest Guide.

Private Forest Guide Replica

An instance of the Forest Guide that is generally limited in access to entities that contribute coverage areas.

Public Forest Guide Replica

An instance of a Forest Guide that is accessible to any authorized entity.


Relevant NENA Documents
Note: To find and download the document, copy the document number (like NENA-STA-010) from below and search the NENA Standards and Documents page.

  • NENA-INF-009, Requirements for a National Forest Guide Information Document
  • NENA-STA-005, NENA Standards for the Provisioning and Maintenance of GIS data to ECRFs and LVFs

External References

RFC 5222, LoST: A Location-to-Service Translation Protocol