D-Link DSL-G2452GR User Manual page 265

DSL-G2452GR AC1200 MU-MIMO Wireless Dual Band
VDSL2 Router with ADSL2+/3G/LTE/Gigabit Ethernet WAN
Support, 2 FXS Ports and USB Port
User Manual
Parameter
Locale selection
Replace # with %23
Support rport
SIP transport protocol
Save log to a USB
storage
Path
File name
Mode
Server address
Select your country from the drop-down list. This setting defines the
parameters of the phone signals traditional for the specific country.
RFC3261 doesn't support # (pound) for a phone number. If a phone
number has the character, move the switch to the right to replace the
character # with the special sequence %23.
Move the switch to the right to enable the Symmetric Response
Routing function in accordance with RFC3581. This function allows
sending responses to a request to the port and IP address from which
the request was received via the NAT-enabled router. The SIP proxy
server must support the function.
Transport protocol that will be used to transfer SIP packets. Select
the needed value from the drop-down list.
Record to USB
Move the switch to the right to save the call log to a USB storage
connected to the router. Upon that the Path and File name fields
are displayed on the page.
Click the Search icon (
to locate the folder where call log files will be stored.
A name for call log files.
NAT Traversal
The NAT Traversal function allows VoIP traffic to pass through the
NAT-enabled router.
Select the Disabled value to disable the function.
Select the STUN value to enable the STUN client (Session
Traversal Utilities for NAT). The STUN client sends requests to a
STUN server. On the basis of the received replies, the client allows
VoIP traffic to pass through the NAT-enabled router. When this value
is selected, the Server address, Port, and Binding period fields
are displayed.
Select the NAT Public IP value to manually specify a public
("white") IP address of an upper-level router which exchanges
service messages with the SIP proxy server. When this value is
selected, the Public address and Port fields are displayed.
An IP or URL address of a STUN server to which a connection is
established.
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Configuring via Web-based Interface
Description
) located to the right of the field in order