Inspecting VoIP Traffic
R81.10.X Quantum Spark 1500, 1600, 1800, 1900, 2000 Appliances Locally Managed Administration Guide|248
Inspecting VoIP Traffic
Introduction
Voice over Internet Protocol (VoIP) is a technology to deliver voice communications and
multimedia sessions over Internet Protocol (IP) networks, such as the Internet. There are two
primary delivery methods: private or on-premises solutions, or externally hosted solutions
delivered by third-party providers.
Inspection of VoIP traffic is supported on all Quantum Spark appliances.
To configure VoIP inspection in the WebUI:
1. Go to Access Policy > VoIP.
2. Click On.
If VoIP is already configured, you can edit the current configuration.
3. For the next sections, click the downward arrow to expand.
4. Click the Off-premise SIP Provider Service heading to expand the section.
Configure the applicable settings:
a. Click the checkbox for Use SIP Provider – The available network objects are
shown in a table with a Group name. You can select a single IP or a range of
servers with external IP address.
b. To add a new IP address, click New. To remove an IP address, select it and click
Remove.
c. Select or clear the option Log traffic from this provider.
d. Select or clear the option Disable SIP traffic inspection.
When you select this option, you allow the application level inspection and NAT for
the SIP traffic.
When you clear this option:
n
You must configure the RTP ports manually.
n
The timeout for UDP SIP connections (the "SIP_UDP" service) is the same
as the default timeout for TCP SIP connections (the "SIP_TCP" service).
Note - In the R81.10.X releases, this feature is available starting
from the R81.10.05 version.
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