ExtraHop named a Leader in the 2025 Forrester Wave™: Network Analysis And Visibility Solutions

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DETECTION OVERVIEW

VoIP Unavailability Error

Category

Service Degradation
Next in Service Degradation: Call Does Not Exist Error

Description

An application had an excessive number of the SIP 480 status code, which indicates that the call recipient is temporarily unavailable. The call recipient might not be logged in or they might have activated a "do not disturb" feature.

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

Report
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ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response

News
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Detections

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Periodic Table of Use Cases

What else can RevealX do for you?

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