AudioCodes Mediant 4000 SBC, User Manual

Page: 973 / 1037

CHAPTER 60 Configuration Parameters Reference
Mediant 4000 SBC | User's Manual
Parameter Description
configure voip >
sip-definition
settings >
crypto-life-
time-in-sdp
[DisableCryptoLifeTim
eInSDP]
Enables the device to send "a=crypto" lines without the lifetime
parameter in the SDP. For example, if the SDP contains
"a=crypto:12 AES_CM_128_HMAC_SHA1_80
inline:hhQe10yZRcRcpIFPkH5xYY9R1de37ogh9G1MpvNp|2^31",
it removes the lifetime parameter "2^31".
■ [0] Disable (default)
■ [1] Enable
'Contact Restriction'
contact-
restriction
[EnableContactRestric
tion]
Determines whether the device sets the Contact header of outgoing
INVITE requests to ‘anonymous’ for restricted calls.
■ [0] Disable (default)
■ [1] Enable
configure voip >
sip-definition
settings > use-
aor-in-refer-to-
header
[UseAORInReferToHe
ader]
Defines the source for the SIP URI set in the Refer-To header of
outgoing REFER messages.
■ [0] = (Default) Use SIP URI from Contact header of the initial
call.
■ [1] = Use SIP URI from To/From header of the initial call.
'User-Information
Usage'
configure voip >
sip-definition
settings > user-
inf-usage
[EnableUserInfoUsag
e]
Enables the usage of the User Information, which is loaded to the
device in the User Information Auxiliary file. For more information on
User Information, see
User Information File .
■ [0] Disable (default)
■ [1] Enable
Note: For the parameter to take effect, a device reset is required.
configure voip >
sip-definition
settings >
handle-reason-
header
[HandleReasonHeade
r]
Determines whether the device uses the value of the incoming SIP
Reason header for Release Reason mapping.
■ [0] = Disregard Reason header in incoming SIP messages.
■ [1] = (Default) Use the Reason header value for Release Reason
mapping.
[EnableSilenceSuppIn
SDP] Determines the device's behavior upon receipt of SIP Re-INVITE
messages that include the SDP's 'silencesupp:off' attribute.
■ [0] = (Default) Disregard the 'silecesupp' attribute.
■ [1] = Handle incoming Re-INVITE messages that include the
'silencesupp:off' attribute in the SDP as a request to switch to
the Voice-Band-Data (VBD) mode. In addition, the device
includes the attribute 'a=silencesupp:off' in its SDP offer.
Note: The parameter is applicable only if the G.711 coder is used.
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