Cisco SPA942 - Cisco - IP Phone User Manual

SPA and Wireless IP Phone Field Reference
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Cisco SPA and Wireless IP Phone Administration Guide 255
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SIP Settings
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
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.
Defaults to 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.
Defaults to up and down.
Parameter Description
Parameter Description
SIP Transport Select from UDP, TCP, or TLS.
Defaults to UDP.
SIP Port Port number of the SIP message listening and
transmission port.
Defaults to 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.
Defaults to no.
EXT SIP Port The external SIP port number.

Cisco SPA942 - Cisco - IP Phone Specifications

General

Brand	Cisco
Model	SPA942 - Cisco - IP Phone
Category	IP Phone
Language	English