AudioCodes Mediant 800 - Page 1321

CHAPTER72 Configuration Parameters Reference
Mediant 800 Gateway & E-SBC | User's Manual
Parameter Description
■ [3] Events Only = Transparent with
Events.
Note: You can also configure this feature
per specific calls, using IP Profiles
(IpProfile_VxxTransportType). For more
information, see Configuring IP Profiles.
bell-modem-transport-type
[BellModemTransportType]
Determines the Bell modem transport
method.
■ [0] Disable = Transparent.
■ [2] Enable Bypass (default)
■ [3] Events Only = Transparent with
Events.
'Fax CNG Mode'
configure voip > media fax-modem >
fax_cng_mode
[FaxCNGMode]
Determines the device's handling of fax
relay upon detection of a fax CNG tone
or a V.34/Super G3 V8-CM (Call Menu)
signal from originating faxes.
■ [0] Doesn't send T.38 Re-INVITE =
(Default) SIP re-INVITE is not sent.
■ [1] Sends on CNG tone = Sends a
SIP re-INVITE with T.38 parameters
in SDP to the terminating fax upon
detection of a fax CNG tone, if the
CNGDetectorMode parameter is set
to 1.
■ [2] Sends on CNG or v8-cn =
Sends a SIP re-INVITE with T.38
parameters in SDP to the terminating
fax upon detection of a fax CNG tone
(if the CNGDetectorMode parameter
is set to 1) or upon detection of a V8-
CM signal.
Note:
■ If the parameter is set to [2] and the
CNGDetectorMode parameter is set
to [0], the device sends a re-INVITE
only if it detects a V8-CM signal from
the originating fax.
■ This feature is applicable only if the
IsFaxUsed parameter is set to [1] or
[3].
■ The device also sends T.38 re-
INVITE if the CNGDetectorMode
parameter is set to [2], regardless of
the FaxCNGMode parameter
settings.
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