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Sometimes ASA firewall inspect sip failed

Hi experts,

My ASA firewall use for VOIP. Sometimes the ASA firewall inspect sip failed.

For example,

The SIP invite message with SDP information sent from inside to outside of ASA firewall.

The private address in SDP body message had not be replaced by internet address.

But this issue only happen in sometimes. The firewall work well on sip inspect in other times.

Do you have some solution to fix this issue? Thanks a lot!

1 REPLY
Cisco Employee

Re: Sometimes ASA firewall inspect sip failed

Kevin,

What version are we talking about. If not 8.0.5 or 8.2.2 might be worth jumping to that release.

Marcin

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