Full Description

High Probability of Completion Network Capability FSD 15-10-0000

Document Number GR-2931
Issue Number 01
Updates REV01 - Nov 1996
Issue Date Jul 1996

    ABSTRACT: This document provides the view of Telcordia on generic requirements for the High Probability of Completion (HPC) network capability. HPC is an essential capability supporting the National Security/Emergency Preparedness (ND/EP) telecommunications requirements of the Office of the Manager, National Communications System (OMNCS). HPC is intended to provide enhanced probability of call completion to authorized Government Emergency Telecommunications Service (GETS) users during times of network stress/congestion. HPC provides the ability to: Set a special Signaling System Number 7 (SS7) indicator (a unique value of the calling party's category parameter) and carry it through the telecommunications networks within the Initial Address Message (IAM) to identify the call as an NS/EP call; Provide a higher than normal priority for the SS7 IAM to increase the probability of it being transferred to the next exchange in case of congestion in the signaling networks; Execute features or services that react to the special value of the calling party's category parameter to provide special treatment, increasing the probability that NS/EP calls will be completed. Examples include exemptions from network management controls, trunk group queuing, and HPC call rerouting.

    Revision 1 clarifies the original intent, rectifies inaccuracies, and more fully describes the HPC service requirements.

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