User's Manual 610 Document #: LTRT-65417
MP-11x & MP-124
for the SAS application. The SIP entities in the local network
need to send the registration requests to this port. When
forwarding the requests to the proxy ('Normal Mode'), this port
serves as the source port.
The valid range is 1 to 65,534. The default value is 5080.
Web: SAS Local SIP TLS Port
EMS: Local SIP TLS Port
[SASLocalSIPTLSPort]
Defines the local TLS port used to send/receive SIP messages
for the SAS application. The SIP entities in the local network
need to send the registration requests to this port. When
forwarding the requests to the proxy ('Normal Mode'), this port
serves as the source port.
The valid range is 1 to 65,534. The default value is 5081.
Web: SAS Connection Reuse
[SASConnectionReuse]
Enables the re-use of the same TCP connection for sessions
with the same user in the SAS application.
 [0] Disable
 [1] Enable (default)
The device can use the same TCP connection for multiple SIP
requests / responses for a specific SIP UA. The benefits of this
feature include less CPU and memory usage because fewer
TCP connections are open and reduced network congestion. For
example, assume the following:
 User A sends a REGISTER message to SAS with
transport=TCP.
 User B sends an INVITE message to A using SAS.
In this scenario, the SAS application forwards the INVITE
request using the TCP connection that User A initially opened
with the REGISTER message.
Web/EMS: Enable Record-Route
[SASEnableRecordRoute]
Determines whether the device's SAS application adds the SIP
Record-Route header to SIP requests. This ensures that SIP
messages traverse the device's SAS agent by including the SAS
IP address in the Record-Route header.
 [0] Disable (default)
 [1] Enable
The Record-Route header is inserted in a request by a SAS
proxy to force future requests in the dialog session to be routed
through the SAS agent. Each traversed proxy in the path can
insert this header, causing all future dialogs in the session to
pass through it as well.
When this feature is enabled, the SIP Record-Route header
includes the URI "lr" parameter, indicating loose routing, for
example:
Record-Route: <sip:server10.biloxi.com;lr>
Web: SAS Proxy Set
EMS: Proxy Set
[SASProxySet]
Defines the Proxy Set (index number) used in SAS Normal
mode to forward REGISTER and INVITE requests from users
that are served by the SAS application.
The valid range is 0 to 5. The default value is 0 (i.e., default
Proxy Set).
Web: Redundant SAS Proxy Set
EMS: Redundant Proxy Set
[RedundantSASProxySet]
Defines the Proxy Set (index number) used in SAS Emergency
mode for fallback when the user is not found in the Registered
Users database. Each time a new SIP request arrives, the SAS
application checks whether the user is listed in the registration
database. If the user is located in the database, the request is
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