CHAPTER68 Configuration Parameters Reference
Mediant 1000 Gateway & E-SBC | User's Manual
Parameter Description
■ The IsCiscoSCEMode parameter is applicable only when the
selected coder is G.729.
'User-Agent Information'
configure voip >
sip-definition
settings > user-
agent-info
[UserAgentDisplayInfo]
Defines the string that is used in the SIP User-Agent and Server
response headers. When configured, the string
<UserAgentDisplayInfo value>/software version' is used, for
example:
User-Agent: myproduct/7.20A.252.011
If not configured, the default string, "<product-name>/<<software
version>>" is used, for example:
User-Agent: AudioCodes-Sip-Gateway/<swver>
The maximum string length is 50 characters.
Note: The software version number and preceding forward slash
(/) cannot be modified. Therefore, it is recommended not to
include a forward slash in the parameter's value (to avoid two
forward slashes in the SIP header, which may cause problems).
'SDP Session Owner'
configure voip >
sip-definition
settings > sdp-
session-owner
[SIPSDPSessionOwner]
Defines the value of the Owner line ('o' field) in outgoing SDP
messages.
The valid range is a string of up to 39 characters. The default is
"AudioCodesGW".
For example:
o=AudioCodesGW 1145023829 1145023705 IN IP4
10.33.4.126
Note: The parameter is applicable only to the SBC application
when the device creates a new SIP message (and SDP) such as
when the device plays a ringback tone. The parameter is not
applicable to SIP messages that the device receives from one
end and sends to another (i.e., does not modify the SDP's 'o'
field).
configure voip >
sip-definition
settings > sdp-ver-
nego
[EnableSDPVersionNegot
iation]
Enables the device to ignore new SDP re-offers (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 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 = (Default) The device negotiates any new SDP
re-offer, regardless of the origin field.
■ [1] Enable = The device negotiates only an SDP re-offer with
an incremented origin field.
[GwSDPConnectionMod
e]
Defines how the device displays the Connection ("c=") line ("c=")
in the SDP Offer/Answer model.
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