AudioCodes Mediant 1000

User's Manual 398 Document #: LTRT-27045
Mediant 1000B Gateway & E-SBC
Parameter Description
re-key generation, one-way voice may occur.
 The corresponding global parameter is
ResetSRTPStateUponRekey.
Generate SRTP Keys Mode
generate-srtp-keys
[IpProfile_GenerateSRTPKe
ys]
Enables the device to generate a new SRTP key upon receipt of a
re-INVITE with the SIP entity associated with the IP Profile.
 [0] Only If Required= (Default) The device generates an SRTP
key only if necessary.

[1]
Always = The device always generates a new SRTP key.
SBC Remove Crypto Lifetime
in SDP
sbc-sdp-remove-crypto-
lifetime
[IpProfile_SBCRemoveCrypto
LifetimeInSDP]
Defines the handling of the lifetime field in the 'a=crypto' attribute of
the SDP for the SIP entity associated with the IP Profile. The SDP
field defines the lifetime of the master key as measured in maximum
number of SRTP or SRTCP packets using the master key.
 [0] No = (Default) The device retains the lifetime field (if present)
in the SDP.
 [1] Yes = The device removes the lifetime field from the 'a=crypto'
attribute.
Note: If you configure the parameter to Yes, the following IP Profile
parameters must be configured as follows:
 IpProfile_EnableSymmetricMKI configured to Enable [1].
 IpProfile_MKISize configured to 0.
 IpProfile_SBCEnforceMKISize configured to Enforce [1].
SBC Early Media
Remote Early Media
sbc-rmt-early-media-supp
[IpProfile_SBCRemoteEarlyM
ediaSupport]
Defines whether the remote side can accept early media or not.
 [0] Not Supported = Early media is not supported.
 [1] Supported = (Default) Early media is supported.
Remote Multiple 18x
sbc-rmt-mltple-18x-supp
[IpProfile_SBCRemoteMultiple
18xSupport]
Defines whether multiple 18x responses including 180 Ringing, 181
Call is Being Forwarded, 182 Call Queued, and 183 Session
Progress are forwarded to the caller, for the SIP entity associated
with the IP Profile.
 [0] Not Supported = Only the first 18x response is forwarded to
the caller.
 [1] Supported = (Default) Multiple 18x responses are forwarded to
the caller.
Remote Early Media
Response Type
sbc-rmt-early-media-resp
[IpProfile_SBCRemoteEarlyM
ediaResponseType]
Defines the SIP provisional response type - 180 or 183 - for
forwarding early media to the caller, for the SIP entity associated
with the IP Profile.
 [0] Transparent = (Default) All early media response types are
supported; the device forwards all responses as is (unchanged).
 [1] 180 = Early media is sent as 180 response only.
 [2] 183 = Early media is sent as 183 response only.