User's Manual 320 Document #: LTRT-27045
Mediant 1000B Gateway & E-SBC
Parameter Description
SBC Operation Mode
sbc-operation-mode
[SRD_SBCOperationMod
e]
Defines the device's operational mode for the SRD.
 [0] B2BUA = (Default) Device operates as a back-to-back user agent
(B2BUA), changing the call identifiers and headers between the
inbound and outbound legs.
 [1] Call Stateful Proxy = Device operates as a Stateful Proxy, passing
the SIP message transparently between inbound and outbound legs.
In other words, the same SIP dialog identifiers (tags, Call-Id and
CSeq) occur on both legs (as long as no other configuration disrupts
the CSeq compatibleness).
 [2] Microsoft Server = Operating mode for the One-Voice Resiliency
feature, whereby the device is deployed together with Skype for
Business-compatible IP Phones at small remote branch offices in a
Microsoft® Skype for Business™ environment.
For more information on B2BUA and Stateful Proxy modes, see B2BUA
and Stateful Proxy Operating Modes on page 606.
Note:
 The settings of the parameter also determines the default behavior of
related parameters in the IP Profiles table
(SBCRemoteRepresentationMode, SBCKeepVIAHeaders,
SBCKeepUserAgentHeader, SBCKeepRoutingHeaders,
SBCRemoteMultipleEarlyDialogs).
 If the 'SBC Operation Mode' parameter is configured in the IP Groups
table, the 'SBC Operation Mode' parameter in the SRDs table is
ignored.
 The parameter is applicable only to the SBC application.
SBC Routing Policy
sbc-routing-policy-name
[SRD_SBCRoutingPolicy
Name]
Assigns a Routing Policy to the SRD.
By default, no value is defined if you have configured multiple Routing
Policies. If you have configured only one Routing Policy, the device
assigns it to the SRD by default.
For more information on Routing Policies, see Configuring SBC Routing
Policy Rules on page 670.
Note:
 If you have assigned a Routing Policy to a Classification rule that is
associated with the SRD, the Routing Policy assigned to the SRD is
ignored.
 You can assign the same Routing Policy to multiple SRDs.
 The parameter is applicable only to the SBC application.
Used By Routing Server
used-by-routing-server
[SIPInterface_UsedByRo
utingServer]
Enables the SRD to be used by a third-party routing server for call routing
decisions.
 [0] Not Used (default)
 [1] Used
For more information on the third-party routing server feature, see
''Centralized Third-Party Routing Server'' on page 269.
Registration
Max. Number of
Registered Users
max-reg-users
[SRD_MaxNumOfRegUs
ers]
Defines the maximum number of users belonging to the SRD that can
register with the device.
The default is -1, which means that the number of allowed user
registrations is unlimited.
Note: The parameter is applicable only to the SBC application.
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