CHAPTER19 Coders and Profiles
Mediant 4000 SBC | User's Manual
Parameter Description
[IpProfile_
EnableEchoCanceller]
■ [0] Disable
■ [1] Line (default)
■ [2] Acoustic
For a detailed description of the Echo Cancellation feature,
see Configuring Echo Cancellation.
Note: The corresponding global parameter is
EnableEchoCanceller.
'Input Gain'
input-gain
[IpProfile_InputGain]
Defines the pulse-code modulation (PCM) input gain
control (in decibels).
The valid range is -32 to 31 dB. The default is 0 dB.
Note: The corresponding global parameter is InputGain.
'Voice Volume'
voice-volume
[IpProfile_VoiceVolume]
Defines the voice gain control (in decibels).
The valid range is -32 to 31 dB. The default is 0 dB.
Note: The corresponding global parameter is VoiceVolume.
SBC Signaling
'PRACK Mode'
sbc-prack-mode
[IpProfile_SbcPrackMode]
Defines the device's handling of SIP PRACK messages
for the SIP entity associated with the IP Profile.
■ [1] Optional = PRACK is optional. If required, the
device performs the PRACK process on behalf of the
SIP entity.
■ [2] Mandatory = PRACK is required for this SIP entity.
Calls from endpoints that do not support PRACK are
rejected. Calls destined to these endpoints are also
required to support PRACK.
■ [3] Transparent = (Default) The device does not
intervene with the PRACK process and forwards the
request as is.
'P-Asserted-Identity Header
Mode'
sbc-assert-identity
[IpProfile_SBCAssertIdentity]
Defines the device's handling of the SIP P-Asserted-
Identity header for the SIP entity associated with the IP
Profile. This header indicates how the outgoing SIP
message asserts identity.
■ [0] As Is = (Default) P-Asserted Identity header is not
affected and the device uses the same P-Asserted-
Identity header (if present) in the incoming message for
the outgoing message.
■ [1] Add = Adds a P-Asserted-Identity header. The
header's values are taken from the source URL.
■ [2] Remove = Removes the P-Asserted-Identity
header.
Note:
■ The parameter affects only the initial INVITE request.
■ The corresponding global parameter is
SBCAssertIdentity.
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