| Traditional Deployment Methods |
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2.
Configure and save the following settings:
Parameter
Description
Configuration Method
Active/STUN Active
Enable or disable the STUN
(Simple Traversal of UDP over
NATs).
Default
: Disabled.
Web user interface
Endpoint
CTP20/CTP18
STUN Server
Configure the IP address or
the domain name of the STUN
(Simple Traversal of UDP over
NATs) server.
Note
: the default value is blank.
Web user interface
Endpoint
CTP20/CTP18
STUN Port
Configure the port of the STUN
(Simple Traversal of UDP over
NATs) server.
Default
: 3478.
Web user interface
Endpoint
CTP20/CTP18
Enabling STUN Feature for SIP Protocol
If you want to make private-to-public calls via SIP protocol (SIP account and SIP IP call), you can enable
STUN feature for SIP protocol.
Procedure
1.
Do one of the following:
• On your web user interface, go to
Account
>
SIP Account/SIP IP Call
>
NAT Traversal
.
• On your VCS, go to
More
>
Settings
> >
Advanced
>
Account
>
SIP IP Call
>
NAT Traversal
.
For VP59, tap
Settings Advanced Account SIP IP Call NAT Traversal
.
•
On your CTP20/CTP18, tap
>
Settings
>
Advanced
>
Account
>
SIP IP Call
>
NAT Traversal
.
2.
Configure and save the following settings:
Parameter
Description
Configuration Method
NAT Traversal
Select STUN.
Web user interface
Endpoint
CTP20/CTP18
Related tasks
Setting SIP Account/SIP IP Call
Configuring NAT
H.460
VCS allows the firewall traversal of H.323 calls via H.460 protocols. To use this feature, make sure your
gatekeeper supports H.460 feature.