Network Settings Section - Cisco SPA2102-AN - Single Port Router Administration Manual

ATA Voice Field Reference
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Cisco Small Business ATA Administration Guide
NAT Keep Alive
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Network Settings section

SIP ToS/DiffServ
Value
SIP CoS Value [0-7] CoS value for SIP messages.
RTP ToS/DiffServ
Value
RTP CoS Value [0-
7]
Network Jitter
Level
Jitter Buffer
Adjustment
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.
TOS/DiffServ field value in UDP IP packets carrying a SIP
message.
The default is 0x68.
The default is 3.
ToS/DiffServ field value in UDP IP packets carrying RTP
data.
The default is 0xb8.
CoS value for RTP data.
The default is 6.
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.
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.
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