AudioCodes Mediant 4000 SBC, User Manual

Page: 876 / 1037

CHAPTER 57 Testing SIP Signaling Calls
Mediant 4000 SBC | User's Manual
Parameter Description
■ [-1] Not Configured = (Default) The mode is
according to the 'Allowed Coders Mode' parameter of
the IP Profile associated with the rule's IP Group (see
the 'IP Group' parameter above).
■ [0] Restriction = The device uses only allowed
coders as configured in the 'Allowed Audio Coders
Group' parameter (above) and removes all other
coders from the SDP offer. If you have also
configured additional coders in the 'Offered Audio
Coders Group' parameter (above), then these coders
are added to the SDP offer if they appear in the
assigned Allowed Audio Coders Group.
■ [1] Preference = The device re-arranges the priority
(order) of the coders in the incoming SDP offer
according to their order of appearance in the Allowed
Audio Coders Group. The coders in the original SDP
offer are listed after the allowed coders.
■ [2] Restriction and Preference = The device uses
both the Restriction and Preference options.
Note: Except for Not Configured , the parameter's
settings override the corresponding parameter of the IP
Profile associated with the rule's IP Group.
'Media Security Mode'
media-security-mode
[Test_Call_MediaSecurityMode]
Defines the handling of RTP and SRTP.
■ [-1] Not Configured = (Default) The mode is
according to the 'SBC Media Security Mode'
parameter of the IP Profile associated with the rule's
IP Group (see the 'IP Group' parameter above).
■ [0] As is = No special handling for RTP\SRTP is
done.
■ [1] SRTP = Only SRTP media lines are negotiated
and RTP media lines are removed from the incoming
SDP offer-answer.
■ [2] RTP = Only RTP media lines are negotiated and
SRTP media lines are removed from the incoming
SDP offer-answer.
■ [3] Both = Each SDP offer-answer is extended (if not
already) to two media lines - one for RTP and one for
SRTP.
Note:
■ To enable SRTP, configure the
[EnableMediaSecurity] parameter to [1].
■ Except for Not Configured , the parameter's settings
override the corresponding parameter of the IP Profile
that is associated with the rule's IP Group.
'Play DTMF Method'
play-dtmf-method
[Test_Call_PlayDTMFMethod]
Defines the method used by the devicefor sending DTMF
digits that are played to the called party when the call is
answered.
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