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One way audio for avaya after changing to checkpoint firewall

Hi all,

I have an issue after changing our firewall from juniper to checkpoint firewall.

When I make a call to an internal extension , the recipient can hear my voice clearly but I can't hear their voices.

I have checked with avaya, they says we need to set no inspect for h323 and h225

But we can't find anything like that in checkpoint. Any advice will be much appreciated.

Thank you
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tp_edb
Asked:
tp_edb
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1 Solution
 
Bryant SchaperCommented:
Could be a routing issue, typically results in one way problems. Can you compare to the old device
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Kaiser AnwarCommented:
I have seen this before and it turned out to be a routing issue - check your routing to make sure subnet is accessible
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Bryant SchaperCommented:
that is what I have seen as well, not just the subnet but make sure you can connect to the sip endpoint IP from the provider.  I dealt with this just the other day at a site after cutting over to a new vpn connection
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tp_edbAuthor Commented:
Thanks for the advice, still no luck. All route is OK.
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tp_edbAuthor Commented:
We are escalating issue to checkpoint .. have chk and try all possible setting
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tp_edbAuthor Commented:
We managed to solve the issue.. it is due to static routing issue between the phone vlan and phone gateway system..
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tp_edbAuthor Commented:
We have tested it with various location and it resolve the one way audio issue
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