EXP1240 System Installation Guide Revision 06
© 2013 Uniden America Corp. PROPRIETARY AND CONFIDENTIAL Page 56 of 71
Table 18:
NAT Settings
parameters
Parameter Description
Enable RPORT
Select Enabled if you want the system to use RPORT in SIP messages.
This will also cause the base stations to send Keep Alive messages
according to the Keep Alive time. Otherwise, leave this feature
Disabled.
Keep alive time
Enter the number of seconds (as a positive integer) between each keep-
alive message sent to maintain NAT address assignments. The default
value is 90.
Table 19:
SIP/RTP Settings
parameters
Parameter Description
Local SIP port
Enter the port number the server should use for the first user agent
(UA) instance. Successive ports will be automatically assigned for
additional UA instances. The default port number is 5060.
SIP ToS/QoS Enter the Type of Service or Quality of Service priority code for SIP call
control traffic. The default value is 0x68 (104 in decimal notation).
RTP port
Enter the number of the first RTP port to use. Successive ports will be
automatically assigned up to the number entered below. The default
port is 50004.
RTP port range Enter the number of ports that can be used for RTP audio streaming
(the default is 40).
RTP ToS/QoS Enter the Type of Service or Quality of Service priority code for RTP
traffic; the default is 0xB8.