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Version 6.2 87 December 2010
SIP Release Notes 1. What's New in Release 6.2
Parameter Description
[EnableSDPVersionNegoti
ation]
This feature enables the flexibility of ignoring a new SDP re-offer (from
the media negotiation perspective) in certain scenarios (such as
session expires). According to RFC 3264, once an SDP session is
established, a new SDP offer is considered a new offer only when the
SDP origin value is incremented. In scenarios such as session
expires, SDP negotiation is irrelevant and thus, the origin field is not
changed.
Even though some SIP devices don’t follow this behavior and don’t
increment the origin value even in scenarios where they want to re-
negotiate, the device can now assume that the remote party operates
according to RFC 3264, and in cases where the origin field is not
incremented, the device does not re-negotiate SDP capabilities.
[0] Disable = The device negotiates any new SDP re-offer,
regardless of the origin field (default).
[1] Enable = The device negotiates only an SDP re-offer with an
incremented origin field.
[FacilityTrace]
Enables ISDN traces of Facility Information Elements (IE) for ISDN
call diagnostics. This allows you to trace all the parameters contained
in the Facility IE and view them in the Syslog.
[0] Disable (default)
[1] Enable
Note: For this feature to be functional, the GWDebugLevel parameter
must be enabled.
[PerformAdditionalIP2TEL
DestinationManipulation]
Enables additional destination number manipulation for IP-to-Tel calls.
[0] Disable (default)
[1] Enable
The additional manipulation is done on the initially manipulated
destination number, and this additional rule is also configured in the
manipulation table (NumberMapIP2Tel parameter). This enables you
to configure only a few manipulation rules for complex manipulation
(that generally require many rules).
[PerformAdditionalIP2TEL
SourceManipulation]
Enables additional source number manipulation for IP-to-Tel calls.
[0] Disable (default)
[1] Enable
The additional manipulation is done on the initially manipulated source
number, and this additional rule is also configured in the manipulation
table (SourceNumberMapIP2Tel parameter). This enables you to
configure only a few manipulation rules for complex manipulation (that
generally require many rules).
[ReplaceCallingWithRedir
ectNumber]
Enables replacing the calling number with the redirect number in
ISDN-to-IP calls. When such a replacement occurs, the calling name
is deleted and left blank. The outgoing INVITE message does not
include the redirect number that was used to replace the calling
number. The replacement is done only if a redirect number is present
in the incoming call.
[0] = Disable (default)
[1] = Enable