HelloCurrently, an ASA firewall is installed in front of the H.323 Gateway.
After installing the firewall, calls cannot be made during a call. All firewall policies are allowed.
When talking on the phone, it is disconnected after a few seconds without ring back tone.
If you remove the ASA firewall, the call will proceed normally.
The configuration diagram was uploaded as an attachment.
What Mohammed describes above is a must for testing the performance of your system with the ASA, you can find an example/reference of disabling SIP inspection below:
Thank you for answer.However, the global policy policy is set by default, but if you disable it, I wonder if there is any problem with the service.
And policy-map global_policy is h323 matched in Class-map like the attached file, so if you disable inspect h323, you think h323 communication is not correct, right?
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