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Cisco SPA2102 User Manual

Cisco SPA2102
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ATA Voice Field Reference
PSTN Line page (SPA3102)
Cisco Small Business ATA Administration Guide 196
B
SIP Settings section
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.
SIP Port Port number of the SIP message listening and transmission
port.
The default is 5060.
SIP 100REL Enable To enable the support of 100REL SIP extension for reliable
transmission of provisional responses (18x) and use of
PRACK requests, select yes. Otherwise, select no.
The default is no.
EXT SIP Port The external SIP port number.

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Cisco SPA2102 Specifications

General IconGeneral
BrandCisco
ModelSPA2102
CategoryAdapter
LanguageEnglish

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