AudioCodes Mediant 3000 User Manual page 350

Parameter
Web: Remote Multiple 18x
[IpProfile_SBCRemoteMultiple18
xSupport]
Web: Remote Early Media
Response Type
[IpProfile_SBCRemoteEarlyMedi
aResponseType]
Web: Remote Early Media
[IpProfile_SBCRemoteEarlyMedi
aSupport]
Web: Enforce MKI Size
[IpProfile_SBCEnforceMKISize]
Web: Remote Early Media RTP
Behavior
[IpProfile_SBCRemoteEarlyMedi
aRTP]
Web: Remote RFC 3960
Gateway Model Support
[IpProfile_SBCRemoteSupportsR
FC3960]
User's Manual
special prefix continue using the device's database to locate
the new destination.

Only one database entry is supported for the same host, port,
and transport combination. For example, the following URLs
cannot be distinguished by the device:

sip:10.10.10.10:5060;transport=tcp;param=a

sip:10.10.10.10:5060;transport=tcp;param=b

The database entry expires two hours after the last use.

The maximum number of destinations (i.e., database entries)
is 50.

The corresponding global parameter is SBC3xxBehavior.
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 this SIP entity.

[0] Not Supported = Only the first 18x response is forwarded
to the caller.

[1] Supported = (Default) Multiple 18x responses are
forwarded to the caller.
Defines the SIP provisional response type - 180 or 183 - for
forwarding early media to the caller, for this SIP entity.

[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.
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.
Enables MKI length negotiation for SRTP-to-SRTP flows between
SIP networks (i.e., IP Groups). This includes the capability of
modifying the MKI length on the inbound or outbound SBC call
leg for this SIP entity.

[0] Don't enforce = (Default) Device forwards the MKI size as
is.

[1] Enforce = Device changes the MKI length according to the
settings of the IP Profile parameter, MKISize.
Defines whether the destination UA sends RTP immediately after
it sends 18x response.

[0] Immediate = (Default) Remote client sends RTP
immediately after it sends 18x response with early media.
Device forwards 18x and RTP as is.

[1] Delayed = After sending 18x response, the remote client
waits before sending RTP (e.g., Microsoft Lync environment).
For the device's handling of this remote UA support, see
Interworking SIP Early Media on page 508.
Defines whether the destination UA is capable of receiving 18x
messages with delayed RTP.

[0] Not Supported = (Default) UA does not support receipt of
18x messages with delayed RTP. For the device's handling of
this remote UA support, see Interworking SIP Early Media on
page 508.
350
Description
Document #: LTRT-89738
Mediant 3000