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AudioCodes E-SBC User Manual

AudioCodes E-SBC
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CHAPTER19 Coders and Profiles
Mediant 1000 Gateway & E-SBC | User's Manual
Parameter Description
Note: The parameter is applicable only if you set the
IpProfile_SBCFaxBehavior parameter to a value other than
[0].
'Fax Answer Mode'
sbc-fax-answer-mode
[IpProfile_
SBCFaxAnswerMode]
Defines the coders included in the outgoing SDP answer
(sent to the calling "fax") for the SIP entity associated with
the IP Profile.
â–  [0] All coders = Use matched coders between the
incoming offer coders (from the calling "fax") and the
coders of the selected Coder Group (configured using
the SBCFaxCodersGroupID parameter).
â–  [1] Single coder = (Default) Use only one coder. If the
incoming answer (from the called "fax") includes a
coder that matches a coder match between the
incoming offer coders (from the calling "fax") and the
coders of the selected Coder Group
(SBCFaxCodersGroupID, then the device uses this
coder. If no match exists, the device uses the first
listed coder of the matched coders between the
incoming offer coders (from the calling "fax") and the
coders of the selected Coder Group.
Note: The parameter is applicable only if you set the
IpProfile_SBCFaxBehavior parameter to a value other than
[0].
'Remote Renegotiate on Fax
Detection'
sbc-rmt-renegotiate-on-
fax-detect
[IPProfile_
SBCRemoteRenegotiateOnFax
Detection]
Enables local handling of fax detection and negotiation by
the device on behalf of the SIP entity associated with the
IP Profile. This applies to faxes sent immediately upon the
establishment of a voice channel (i.e., after 200 OK).
The device attempts to detect the fax (CNG tone) from the
originating SIP entity within a user-defined interval (see the
SBCFaxDetectionTimeout parameter) immediately after
the voice call is established.
Once fax is detected, the device can handle the
subsequent fax negotiation by sending re-INVITE
messages to both SIP entities. The device also negotiates
the fax coders between the two SIP entities. The
negotiated coders are according to the list of fax coders
assigned to each SIP entity, using the IP Profile parameter
'Fax Coders Group'.
â–  [0] Transparent = (Default) Device does not interfere in
the fax transaction and assumes that the SIP entity
fully supports fax renegotiation upon fax detection.
â–  [1] Only on Answer Side = The SIP entity supports
fax renegotiation upon fax detection only if it is the
terminating (answering) fax, and does not support
renegotiation if it is the originating fax.
â–  [2] No = The SIP entity does not support fax re-
negotiation upon fax detection when it is the originating
or terminating fax.
Note:
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AudioCodes E-SBC Specifications

General IconGeneral
BrandAudioCodes
ModelE-SBC
CategoryGateway
LanguageEnglish

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