05-07-2018 08:24 AM - edited 02-21-2020 07:44 AM
HI,
Getting following logs on Cisco ASA firewall, Avaya phones are getting disconnected.
Please let us know how to fix this issue.
log on ASA:
Unable to Pre-allocate H225 Call Signalling Connection for faddr
05-07-2018 02:47 PM
Have you configured H323 inspection on your ASA? If not, do so and test again.
05-08-2018 06:16 AM
07-30-2018 11:53 AM
policy-map global_policy
class inspection_default
inspect h323 h225
inspect h323 ras
03-31-2023 10:30 AM
I had the opposite issue, if this didn't fix your issue, you may want to try disabling H323 inspection. I went through the GUI under Firewall>Service Policy Rules>Global>Inspection_Default>Rule Actions>Protocol Inspection, and unchecked H.323 H225. After I saved and applied, the logs no longer showed the error.
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