Sip Settings Section - Cisco SPA2102 Administration Manual

ATA Voice Field Reference
PSTN Line page (SPA3102)
Cisco Small Business ATA Administration Guide
RTP ToS/DiffServ
Value
RTP CoS Value [0-
7]
Network Jitter
Level
Jitter Buffer
Adjustment

SIP Settings section

SIP Port
SIP 100REL Enable To enable the support of 100REL SIP extension for reliable
EXT SIP Port
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.
Port number of the SIP message listening and transmission
port.
The default is 5060.
transmission of provisional responses (18x) and use of
PRACK requests, select yes. Otherwise, select no.
The default is no.
The external SIP port number.
B
196