Cisco Systems WRP400 Manual Do Utilizador

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ATA Voice Field Reference
PSTN Line page (SPA3102)
ATA Administration Guide
193
B
 
Voice tab > PSTN Line page > 
SIP Settings section
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
mediumhighvery 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 downup onlydown 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. 
Auth Resync-
Reboot 
If this feature is enabled, the ATA device authenticates the 
sender when it receives the NOTIFY resync reboot (RFC 
2617) message. To use this feature, select yes. Otherwise, 
select no.
The default is yes.
SIP Proxy-Require 
The SIP proxy can support a specific extension or behavior 
when it sees this header from the user agent. If this field is 
configured and the proxy does not support it, it responds 
with the message, unsupported. Enter the appropriate 
header in the field provided.