Note: This parameter can also be configured in a Tel Profile.
[EchoCancellerAggressiveNLP]
Enables the Aggressive NLP at the first 0.5 second of the call.
 [0] = Disable
 [1] = (Default) Enable. The echo is removed only in the first
half of a second of the incoming IP signal.
Note: For this parameter to take effect, a device reset is required.
[RTPSIDCoeffNum]
Defines 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].
43.9.2 Coder Parameters
The coder parameters are described in the table below.
Table 43-33: Coder Parameters
Parameter Description
EMS: AMR Coder Header
Format
[AMRCoderHeaderFormat]
Determines the payload format of the AMR header.
 [0] = Non-standard multiple frames packing in a single RTP
frame. Each frame has a CMR and TOC header.
 [1] = AMR frame according to RFC 3267 bundling.
 [2] = AMR frame according to RFC 3267 interleaving.
 [3] = AMR is passed using the AMR IF2 format.
Note: Bandwidth Efficient mode is not supported; the mode is
always Octet-aligned.
Web: DSP Version Template
Number
EMS: Version Template Number
[DSPVersionTemplateNumber]
Determines the DSP template used by the device. Each DSP
template supports specific coders, channel capacity, and features.
The default is DSP Template 0.
Notes:
 For this parameter to take effect, a device reset is required.
 For a list of supported DSP templates, see DSP Templates on
page 579.
43.9.3 DTMF Parameters
The dual-tone multi-frequency (DTMF) parameters are described in the table below.
Table 43-34: DTMF Parameters
Parameter Description
Web/EMS: DTMF Transport
Type
[DTMFTransportType]
Determines the DTMF transport type.
 [0] Mute DTMF = DTMF digits are removed from the voice
stream and are not relayed to remote side.
 [2] Transparent DTMF = DTMF digits remain in the voice
stream.

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