DWR-980
Wireless AC1200 4G LTE Router with VDSL2 Support,
Gigabit Ethernet Ports, and 2 FXS Ports
User Manual
Configuring via Web-based Interface
Parameter
Description
Jitter Buffer
Delay /
Maximal delay
The Jitter Buffer parameter improves the quality of voice
transmission: received voice packets are specially delayed, which
allows their reproducing in the order they were sent from the
transmitting side.
Specify the minimal and maximal packets waiting period (in
milliseconds) in the relevant fields.
Factor
This parameter enhances efficiency of jitter buffer operation. When
the minimal value is selected, the delay value will tend to be lower.
Select the relevant value from the drop-down list.
Flash Settings
Flash type
The
FLASH
action type.
•
Transfer
: switching between calls.
•
RFC2833
: sending a service message in the RTP flow in
accordance with RFC2833. The value is available if the
RFC2833
or
SIPInfo
value is selected from the
DTMF
relay setting
drop-down list.
•
SIPInfo
: sending a service SIP message. The value is
available if the
SIPInfo
value is selected from the
DTMF
relay setting
drop-down list.
Content-Type for flash
button
If the
SIPInfo
value is selected from the
Flash type
drop-down
list, you can select the type of data transferred in SIP INFO
messages upon pressing the
FLASH
key.
Network Settings
RTP DSCP / SIP DSCP
Differentiated Services Codepoint.
From the relevant drop-down list, select tags for voice and signaling
traffic.
Timeout settings
Dial delay time
The delay time before the next digit is dialed (from 3 to 9 seconds).
When this time expires, the router regards that the dialing is
completed and sends the request to the server. Select a needed value
from the drop-down list.
Waiting for first digit
The delay time before the first digit is dialed (in seconds). Specify a
needed value.
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