SPA9000 Field Reference
Voice tab
SPA9000 Voice System Administration Guide
242
B
Voice tab > FXS 1/2 page
Network Settings section
Voice tab > FXS 1/2 page
SIP Settings section
SIP ToS/DiffServ Value
TOS/DiffServ field value in UDP IP packets carrying a SIP
message.
Default:
0x68
SIP CoS Value [0-7]
CoS value for SIP messages.
Default:
3
RTP ToS/DiffServ Value
ToS/DiffServ field value in UDP IP packets carrying RTP data.
Default:
0xb8
RTP CoS Value [0-7]
CoS value for RTP data.
Default:
6
Network Jitter Level
Determines how jitter buffer size is adjusted by the SPA9000.
Jitter buffer size is adjusted dynamically. The minimum jitter
buffer size is 30 milliseconds or (10 millis 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
.
Default:
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
.
Default:
up and down
SIP Port
Port number of the SIP message listening and transmission
port.
Default:
5080
SIP Remote-Party-ID
To use the Remote-Party-ID header instead of the From
header, select yes. Otherwise, select no.
Default:
yes
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