NL1901ACV Enhanced Hybrid 4G LTE Gateway – User Guide
UG01063 v. 1.0 December 2018
The individual fields shown above on the SIP Basic Settings page are explained in the following table.
Select the Interface that the VoIP account will use to make a connection to the VoIP
Service Provider.
Set the SIP local port of the gateway, the default value is 5060. SIP local port is the SIP
UA (user agent) port.
Select
if your DSL gateway uses a SIP proxy.
SIP proxy allows other parties to call DSL gateway through it. When it is selected, the
following fields appear.
•
– Enter the IP address of the proxy.
•
Enter the port that this proxy is listening on. By default, the port
value is
.
Some network service providers require the use of an outbound proxy. This is an
additional proxy, through which all outgoing calls are directed. In some cases, the
outbound proxy is placed alongside the firewall and it is the only way to let SIP traffic
pass from the internal network to the Internet.
When it is selected, the following fields appear:
•
– Enter the IP address of the outbound proxy.
•
– Enter the port that this outbound proxy is listening on. By default,
the port value is
.
Select this option if required by your VoIP Service Provider. Enter the SIP Proxy Domain
Name and SIP Proxy Port which is typically
.
When it is selected, the following fields appear:
•
– Enter the IP address of the SIP registrar.
•
– Enter the port that the SIP registrar is listening on. By default,
the port value is
.
If it is unselected, the corresponding account is disabled, you cannot use it to initiate or
accept any call.
Enable or disable this function.
Set the user name of authentication.
Set the password of authentication.
User name. It is the Display Name.
Set the caller number. It must be a number of
.
You can use it to set the packetization time (PT). The PT is the length of the digital voice
segment that each packet holds. The default is 20 millisecond packets. If selecting 10
milliseconds, packets improve the voice quality. Because of the packet loss, less
information is lost, but more loads on the network traffic.
The priority of codec is declined from up to down. Codecs define the method of
relaying voice data. Different codecs have different characteristics, such as data
compression and voice quality. For Example, G723 is a codec that uses compression,
therefore, it is good for use where the bandwidth is limited but its voice quality is not
good as other codecs, such as the G711. If you specify none of the codecs, using the
default value showed in the above figure, the DSL gateway chooses the codec
automatically.
Table 38 – SIP settings table
After entering your VoIP settings press the Apply button.
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