Enabling VoIP Traffic
Quantum Spark 1500, 1600 and 1800 Appliance Series R80.20.25 Locally Managed Administration Guide | 33
Enabling VoIP Traffic
Introduction
Follow these configuration procedures to allow SIP traffic to pass through the gateway when:
n
The SIP server is located on external networks. For more advanced topologies, refer to
n
The gateway's NAT configuration is set to its default settings (with internal networks hidden behind
its external IP address).
Configuration
To allow application-level inspection and NAT of the SIP protocol:
1.
Go to
Users & Objects
>
Services
.
2.
Edit the
SIP_UDP
and
SIP_TCP
built in services by enabling SIP inspection on both services.
Clear the
Disable inspection for this service
checkbox in each service object.
For more details, see
"Viewing System Information" on page 35
To allow the SIP server to connect to internal phones from the Internet:
1.
Go to
Access Policy
>
Policy
.
2.
Add a rule to the
Incoming, Internal and VPN traffic
Rule Base that allows SIP traffic.
Source - A network object that holds the IP address of the SIP server.
Destination - A network object that holds the IP addresses of the phones behind the gateway
Service - SIP
Action - Accept
For more information, see
"Working with the Firewall Access Policy" on page 156
3. Optional
- Configure a log for this rule.