AudioCodes Mediant 500 E-SBC, User Manual

Page: 318 / 920

User's Manual 318 Document #: LTRT-10437
Mediant 500 E-SBC
Parameter Description
between the SDP offer and this list, the device drops the call.
The valid value is a string of up to 64 characters. To
configure multiple media types, separate the strings with a
comma, e.g., "media, audio" (without quotes). By default, no
media types are configured (i.e., all media types are
permitted).
Web: Allowed Coders Group ID
CLI: sbc-allowed-coders-group-id
[IpProfile_SBCAllowedCodersGroupID
] Assigns an Allowed Coders Group to this SIP entity. This
defines audio (voice) coders that can be used for this SIP
entity.
To configure Allowed Coders Groups, see Configuring
Allowed Audio Coder Groups on page
477 .
For a description of the Allowed Coders feature, see
''Restricting Coders'' on page
453 .
Web: Allowed Video Coders Group ID
CLI: sbc-allowed-video-coders-group-
id
[IPProfile_SBCAllowedVideoCodersGr
oupID] Assigns an Allowed Video Coders Group to this SIP entity.
This defines permitted video coders when forwarding video
streams to the SIP entity. The video coders are listed in the
"video" media type in the SDP (i.e., 'm=video' line). For this
SIP entity, the device uses only video coders that appear in
both the SDP offer and the Allowed Video Coders Group ID.
By default, no Allowed Video Coders Group is assigned (i.e.,
all video coders are allowed).
To configure Allowed Video Coders Groups, see Configuring
Allowed Video Coder Groups on page
479 .
Web: Allowed Coders Mode
CLI: sbc-allowed-coders-mode
[IpProfile_SBCAllowedCodersMode] Defines the mode of the Allowed Coders feature for this SIP
entity.

[0] Restriction = In the incoming SDP offer, the device
uses only Allowed coders; the rest are removed from the
SDP offer (i.e., only coders common between those in the
received SDP offer and the Allowed coders are used).

[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 Coders Group
or Allowed Video Coders tables. The coders received in
the SDP offer are listed after the Allowed coders.

[2] Restriction and Preference = Performs both
Restriction and Preference.
Notes:

This parameter is applicable only if Allowed coders are
assigned to the IP Profile (using the 'Allowed Coders
Group ID' or 'Allowed Video Coders Group ID'
parameters).

For more information on the Allowed Coders feature, see
Restricting Coders on page
453 .
Web: SBC Media Security Behavior
CLI: sbc-media-security-behaviour
[IpProfile_SBCMediaSecurityBehaviou
r] Defines the handling of RTP and SRTP for this SIP entity.

[0] As is = (Default) No special handling for RTP\SRTP is
done.

[1] SRTP = SBC legs negotiate only SRTP media lines,
and RTP media lines are removed from the incoming
SDP offer\answer.

[2] RTP = SBC legs negotiate only RTP media lines, and
SRTP media lines are removed from the incoming
offer\answer.