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VOIP Using Sonicwall Enhanced OS

Posted on 2011-04-29
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Last Modified: 2012-05-11
I am setting up a Sonicwall for VOIP. we are using a hosted voice solution and the company says they have POES that handle the traffic for VOIP. Right now we are having problems firing up the VOIP phone and I am wondering what I may have missed in the config
I have done the following
* I have enabled bandwidth management on the WAN
* I have set up NAT rules for VOIP traffic outlbound and inbound leading to the LAN subnets
* I have created an inbound Firewall rule for VOIP to and from any

When I check the firewall rule i see no attempted inbound traffic
When I check the inbound NAT rule i see no attempted inbound traffic
I do see alot of outbound traffic on the NAT rule

Any idea of what i could change the configuration to correct this?
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Question by:jpeezus
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LVL 33

Expert Comment

by:digitap
ID: 35493353
Does the VOIP server internally have the proper gateway configured?
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Author Comment

by:jpeezus
ID: 35493534
They can receive the VOIP traffic at the Call Host provider site. On the sonicwall traffic is going out. From what I was told there is no VOIP server internally
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Author Comment

by:jpeezus
ID: 35493624
They can receive Traffic at the Host site but its not coming back to the phone on the internal LAN which sits behind a Sonicwall firewall. I see traffic statistics on the Outbound VOIP NAT Policy but not the inbound NAT Policy or the Firewall Access rule.
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LVL 33

Expert Comment

by:digitap
ID: 35493684
OK, i had it backwards. Have a look at your log. If your sonicwall is dropping traffic wan to lan, then the log will show that. if true, then we need to look at your firwall rules.
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Author Comment

by:jpeezus
ID: 35710404
it was an issue on the VOIP providers side. All is Well.
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Accepted Solution

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jpeezus earned 0 total points
ID: 35710410
Also in their VOIP config we had to turn of SIP transformations
Turn off H323 as well.
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Author Closing Comment

by:jpeezus
ID: 35735981
Because I worked with the VOIP provider and found the solution with them
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