Linksys RTP300 User Guide - Page 125

NAT Settings NAT Mapping Enable, NAT Keep Alive, Enable, SIP ToS/DiffServ Value

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Line page Voice tab > Line page > NAT Settings section Field NAT Mapping Enable NAT Keep Alive Enable NAT Keep Alive Msg NAT Keep Alive Dest Description To use externally mapped IP addresses and SIP/RTP ports in SIP messages, select yes. Otherwise, select no. The default is no. To send the configured NAT keep alive message periodically, select yes. Otherwise, select no. The default is no. Enter the keep alive message that should be sent periodically to maintain the current NAT mapping. If the value is $NOTIFY, a NOTIFY message is sent. If the value is $REGISTER, a REGISTER message without contact is sent. The default is $NOTIFY. Destination that should receive NAT keep alive messages. If the value is $PROXY, the messages are sent to the current proxy server or outbound proxy server. The default is $PROXY. Voice tab > Line page > Network Settings section Field Description SIP ToS/DiffServ Value TOS/DiffServ field value in UDP IP packets carrying a SIP message. The default is 0x68. SIP CoS Value [0-7] CoS value for SIP messages. The default is 3. RTP ToS/DiffServ Value ToS/DiffServ field value in UDP IP packets carrying RTP data. The default is 0xb8. RTP CoS Value [0-7] CoS value for RTP data. The default is 6. Network Jitter Level Determines how jitter buffer size is adjusted by the ATA device. Jitter buffer size is adjusted dynamically. The minimum jitter buffer size is 30 milliseconds or (10 milliseconds + current RTP frame size), whichever is larger, for all jitter level settings. However, the starting jitter buffer size value is larger for higher jitter levels. This setting controls the rate at which the jitter buffer size is adjusted to reach the minimum. Select the appropriate setting: low, medium, high, very high, or extremely high. The default is high. Jitter Buffer Adjustment Controls how the jitter buffer should be adjusted. Select the appropriate setting: up and down, up only, down only, or disable. The default is up and down. Linksys ATA Administration Guide 125

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Linksys ATA Administration Guide
125
Line page
Voice tab > Line page >
NAT Settings section
Voice tab > Line page >
Network Settings section
Field
Description
NAT Mapping Enable
To use externally mapped IP addresses and SIP/RTP ports in SIP messages,
select yes. Otherwise, select no.
The default is
no
.
NAT Keep Alive
Enable
To send the configured NAT keep alive message periodically, select yes.
Otherwise, select no.
The default is
no
.
NAT Keep Alive Msg
Enter the keep alive message that should be sent periodically to maintain
the current NAT mapping. If the value is $NOTIFY, a NOTIFY message is sent. If
the value is $REGISTER, a REGISTER message without contact is sent.
The default is $
NOTIFY
.
NAT Keep Alive Dest
Destination that should receive NAT keep alive messages. If the value is
$PROXY, the messages are sent to the current proxy server or outbound
proxy server.
The default is $
PROXY
.
Field
Description
SIP ToS/DiffServ Value
TOS/DiffServ field value in UDP IP packets carrying a SIP message.
The default is
0x68
.
SIP CoS Value [0-7]
CoS value for SIP messages.
The default is
3
.
RTP ToS/DiffServ
Value
ToS/DiffServ field value in UDP IP packets carrying RTP data.
The default is
0xb8
.
RTP CoS Value [0-7]
CoS value for RTP data.
The default is
6
.
Network Jitter Level
Determines how jitter buffer size is adjusted by the ATA device. Jitter buffer
size is adjusted dynamically. The minimum jitter buffer size is 30 milliseconds
or (10 milliseconds + current RTP frame size), whichever is larger, for all jitter
level settings. However, the starting jitter buffer size value is larger for higher
jitter levels. This setting controls the rate at which the jitter buffer size is
adjusted to reach the minimum. Select the appropriate setting:
low
,
medium
,
high
,
very high
, or
extremely high
.
The default is
high
.
Jitter Buffer Adjustment
Controls how the jitter buffer should be adjusted. Select the appropriate
setting:
up and down
,
up only
,
down only
, or
disable
.
The default is
up and down
.