Sonicwall Firewall Settings

 

NOTE:  If LAN to WAN and WAN to LAN are already setup to (Source: ANY, Destination: ANY, there's no need to do the settings)

 

Summary   Instruction on how to open up the C9P VoIP service-ports on the SonicWall
Details
This article will guide you on how to configure the SonicWall, to allow the Cloud9Phone traffic into your network.

IMPORTANT:  Changing your router's configuration is critical.  For more information in configuring your router's settings, contact your router manufacturer for advanced support.

Accessing the router interface

Step 1:

Enter the router's IP address in the address bar of your web browser.

NOTE:   To learn how to check your router's IP address, refer to your router documentation or contact your router manufacturer for support.

Step 2:

Enter your router's username and password. 
 
Configuring the SonicWall Router's Firewall Settings

Step 1:

Go to Network > Services then click Add.

Name: C9P DMZ Ports
Protocol: UDP(17)
Port Range: 1000-65500
Sub-Type:  None

Step 2:

Go to Address Objects then click Add.

Name: C9P Primary
Zone Assignment: WAN
Type: Range
Starting IP: This is our SIP Feature Server which we will provide the WAN IP assigned to you.
Ending IP:    Same as above

Step 3:

Go to  Firewall then click Add. Opening up Cloud9Phone VoIP service-ports on the SonicWall

Action: Allow
From Zone: LAN
To Zone:  WAN
Service:  C9P DMZ Ports
Source: Any

Destination: C9P Primary
Users Allowed:  All
Schedule:  Always On
Enable Enable Logging
Enable Allow Fragmented Packets

Action: Allow
From Zone: WAN
To Zone:  LAN
Service:  C9P DMZ Ports
Source: C9P Primary
Destination: Any
Users Allowed:  All
Schedule:  Always On
Enable Enable Logging
Enable Allow Fragmented Packets

Action: Allow
From Zone: WAN
To Zone:  LAN
Service:  C9P DMZ Ports
Source: C9P NTP
Destination: Any
Users Allowed:  All
Schedule:  Always On
Enable Enable Logging
Enable Allow Fragmented Packets 

Step 4:

Go to the VOIP Tab.
Uncheck Enable Consistent NAT
Uncheck Enable SIP Transformation

NOTE:  If LAN to WAN and WAN to LAN are already setup to (Source: ANY, Destination: ANY, there's no need to do the  settings)