User's Manual 408 Document #: LTRT-27045
Mediant 1000B Gateway & E-SBC
Parameter Description
PRACK Mode
sbc-prack-mode
[IpProfile_SbcPrackMode]
Defines the device's handling of SIP PRACK messages for the SIP
entity associated with the IP Profile.
[1] Optional = PRACK is optional. If required, the device performs
the PRACK process on behalf of the SIP entity.
[2] Mandatory = PRACK is required for this SIP entity. Calls from
endpoints that do not support PRACK are rejected. Calls destined
to these endpoints are also required to support PRACK.
[3] Transparent (default) = The device does not intervene with the
PRACK process and forwards the request as is.
P-Asserted-Identity Header
Mode
sbc-assert-identity
[IpProfile_SBCAssertIdentity]
Defines the device's handling of the SIP P-Asserted-Identity header
for the SIP entity associated with the IP Profile. This header indicates
how the outgoing SIP message asserts identity.
[0] As Is = (Default) P-
Asserted Identity header is not affected and
the device uses the same P-Asserted-Identity header (if present)
in the incoming message for the outgoing message.
[1] Add = Adds a P-Asserted-Identity header. The header's values
are taken from the source URL.
[2] Remove = Removes the P-Asserted-Identity header.
Note:
The parameter affects only the initial INVITE request.
The corresponding global parameter is SBCAssertIdentity.
Diversion Header Mode
sbc-diversion-mode
[IpProfile_SBCDiversionMode]
Defines the device’s handling of the SIP Diversion header for the SIP
entity associated with the IP Profile.
[0] As Is = (Default) Diversion header is not handled.
[1] Add = History-Info header is converted to a Diversion header.
[2] Remove = Removes the Diversion header and the conversion
to the History-Info header depends on the SBCHistoryInfoMode
parameter.
For more information on interworking of the History-Info and
Diversion headers, see Interworking SIP Diversion and History-Info
Headers on page 630.
Note: If the Diversion header is used, you can specify the URI type
(e.g., "tel:") to use in the header, using the SBCDiversionUriType
parameter.
History-Info Header Mode
sbc-history-info-mode
[IpProfile_SBCHistoryInfoMod
e]
Defines the device’s handling of the SIP History-Info header for the
SIP entity associated with the IP Profile.
[0] As Is = (Default) History-Info header is not handled.
[1] Add = Diversion header is converted to a History-Info header.
[2] Remove = History-Info header is removed from the SIP dialog
and the conversion to the Diversion header depends on the
SBCDiversionMode parameter.
For more information on interworking of the History-Info and
Diversion headers, see Interworking SIP Diversion and History-Info
Headers on page 630.
Session Expires Mode
sbc-session-expires-mode
[IpProfile_SBCSessionExpires
Mode]
Defines the required session expires mode for the SIP entity
associated with the IP Profile.
[0] Transparent = (Default) The device does not interfere with the
session expires negotiation.
[1] Observer = If the SIP Session-Expires header is present, the