Last Modified: May 29, 2024
Affected Product(s):
BIG-IP LTM
Fixed In:
17.1.1, 16.1.4, 15.1.10
Opened: Apr 11, 2023 Severity: 3-Major
BIG-IP drops SIP response messages that are missing the Reason-Phrase.
Connectivity issue.
A SIP response message in this format SIP/2.0 424 \r\n are dropped If the message has a reason text Status-Line = SIP-Version SP Status-Code SP Reason-Phrase CRLF Like this SIP/2.0 404 Not Found\r\n then it would not be dropped
None
BIG-IP now accepts SIP response with Status-line missing a reason text.