SIP User's Manual 412 Document #: LTRT-65415
MediaPack Series
Parameter Description
[ECNLPMode]
Defines the echo cancellation Non-Linear Processing (NLP)
mode.
 [0] = NLP adapts according to echo changes (default).
 [1] = Disables NLP.
 [2] = Silence output NLP.
Note: This parameter can also be configured per Tel Profile,
using the TelProfile parameter (see ''Configuring Tel Profiles'' on
page 121).
[EchoCancellerAggressiveNLP]
Enables or disables the Aggressive NLP at the first 0.5 second of
the call. When enabled, the echo is removed only in the first half
of a second of the incoming IP signal.
 [0] = Disable
 [1] = Enable (default)
Note: For this parameter to take effect, a device reset is required.
[RTPSIDCoeffNum]
Determines the number of spectral coefficients added to an SID
packet being sent according to RFC 3389.
The valid values are [0] (default), [4], [6], [8] and [10].
10.11.2 Coder Parameters
The coder parameters are described in the table below.
Table 10-32: Coder Parameters
Parameter Description
Web: DSP Version Template
Number
EMS: Version Template Number
[DSPVersionTemplateNumber]
Determines the DSP template to use on the device. Each DSP
template supports specific coders, channel capacity, and features.
For the list of supported DSP templates, refer to the Release
Notes.
The default is DSP template 0.
10.11.3 Fax and Modem Parameters
The fax and modem parameters are described in the table below.
Table 10-33: Fax and Modem Parameters
Parameter Description
Web: Fax Transport Mode
EMS: Transport Mode
[FaxTransportMode]
Fax transport mode used by the device.
 [0] Disable = transparent mode
 [1] T.38 Relay (default)
 [2] Bypass
 [3] Events Only
Note: This parameter is overridden by the parameter
IsFaxUsed. If the parameter IsFaxUsed is set to 1 (T.38 Relay)
or 3 (Fax Fallback), then FaxTransportMode is always set to 1
(T.38 relay).
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