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Cisco Bug: CSCuq99821 - ASA/ASASM drops SIP invite packets with From field containing "" and \

Last Modified

Apr 16, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases


Description (partial)

ASASM running version with SIP inspection turned on, silently drops SIP INVITES that has the similar value in the from field:

"\"210*******\"" <sip:+1210*******;user=phone>;tag=SD7osu201-gK0d0f565b

ASA/ASASM running with SIP inspection turned on.
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