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SBC Rejecting SIP Traffic with 503 due to SA Fluctuation After Performing DNS Query (Doc ID 2507038.1)

Last updated on SEPTEMBER 29, 2020

Applies to:

Net-Net OS - Version S-Cz8.0.0 and later
Information in this document applies to any platform.

Symptoms

 SBC is rejecting SIP traffic with 503 

Changes

A customer has configured SA with FQDN which is resolved by DNS server. They have recently changed the DNS server and after that issue reported. 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
 Goal
References


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