PIF (Protocol Interworking Function): Difference between revisions

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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.
The '''''PIF (Protocol Interworking Function)''''' is the functional component of a [[LNG (Legacy Network Gateway)|Legacy Network Gateway]], [[LPG (Legacy PSAP Gateway)|Legacy PSAP Gateway]], or [[LSRG (Legacy Selective Router Gateway)|Legacy Selective Router Gateway]] that interworks legacy [[PSTN (Public Switched Telephone Network)|PSTN]] signaling such as ISUP or [[CAMA (Centralized Automated Message Accounting)|CAMA]] with [[SIP (Session Initiation Protocol)|SIP]] signaling.


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{{RelevantNENADocs}}

Revision as of 15:39, 18 June 2024

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