Operation Guide

6 Voice pages Session control
NN47928-502 167
Voice > Session Control > SIP Control
The Session Control page contains configuration and display tabs for processing VoIP
control signals. The page has four tabs:
 Control – Configuration parameters for control signal processing, and association
of the QoS signaling quality group. (QoS media streams are detected by the media
settings (page 161
).)
 Status – SIP session controller operational status display.
 Calls – Display of call traffic through the session controller.
 Endpoints – LAN endpoints (devices) registered through the SIP session controller.
Control tab
Configure the parameters for detecting VoIP control signals and routing them to the SIP
server on this tab page. A server profile (page 164
) must be configured before it can be
specified for use by the session controller.
Click
Modify to open the configuration page. The configuration parameters for the SIP
server profile are as follows:
Server Select the name of the SIP server profile to be used from the drop-down
list. This is the server configured on the SIP Server page (page 164
).
Local Domain Local domain for LAN endpoints. SIP messages that do not match the
domain are discarded. Optional.
WAN Rx Port Port on which to listen for SIP signaling messages from the WAN. Enter
the port number, or the beginning number of a range. Default is 5060.
(range to) Ending number of the WAN port range.
LAN Rx Port Port on which to listen for SIP signaling messages from the LAN. Enter
the port number, or the beginning number of a range. Default is 5060.
(range to) Ending number of the LAN port range.
Timer T1 Minimum retransmission time interval (milliseconds). Default is 500 ms.
Timer T2 Maximum retransmission time interval (milliseconds). Default is 4000
ms.
Timer B Timeout interval for INVITE transactions (in seconds). Default is 16
seconds.
Timer F Timeout interval for non-INVITE transactions (in seconds). Default is 32
seconds.
Timer C Timeout interval for proxy INVITE transactions (in seconds). Default is
180 seconds (3 minutes).