PIF (Protocol Interworking Function)

From NENA Knowledge Base

The PIF (Protocol Interworking Function) is the functional component of a Legacy Network Gateway, Legacy PSAP Gateway, or Legacy Selective Router Gateway that interworks legacy PSTN signaling such as ISUP or CAMA with SIP signaling.

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-STA-010, NENA i3 Standard for Next Generation 9-1-1
  • NENA-INF-003, NENA Demarcation Points in NG9-1-1 Information Document
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