VPC (VoIP Positioning Center)

From NENA Knowledge Base

The VPC (VoIP Positioning Center) is the element that provides routing information to support the routing of VoIP emergency calls, and cooperates in delivering location information to the PSAP over the existing ALI DB infrastructure.

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 57-503, NENA Procedures for Notification of ERDB and VPC Operators of ESN Changes by 9-1-1 Administrator Operations Information Document
  • NENA 03-507, ESQK Guidelines for VoIP to E9-1-1 Connectivity