User`s manual

SIP User's Manual 82 Document #: LTRT-83303
Mediant 1000 & Mediant 600
Parameter Description
Silence Suppression
[EnableSilenceCompression
]
Silence Suppression is a method for conserving bandwidth on VoIP
calls by not sending packets when silence is detected.
 [0] Disable = Silence Suppression is disabled (default).
 [1] Enable = Silence Suppression is enabled.
 [2] Enable without Adaptation = A single silence packet is sent
during a silence period (applicable only to G.729).
Note: If the selected coder is G.729, the following rules determine the
value of the 'annexb' parameter of the fmtp attribute in the SDP:
 If EnableSilenceCompression is 0: 'annexb=no'.
 If EnableSilenceCompression is 1: 'annexb=yes'.
 If EnableSilenceCompression is 2 and IsCiscoSCEMode is 0:
'annexb=yes'.
 If EnableSilenceCompression is 2 and IsCiscoSCEMode is 1:
'annexb=no'.
Echo Canceler
[EnableEchoCanceller]
Determines whether echo cancellation is enabled to remove echo
from voice calls.
 [0] Off = Echo Canceler is disabled.
 [1] On = Echo Canceler is enabled (default).
Note: This parameter is used to maintain backward compatibility.
DTMF Transport Type
[DTMFTransportType]
Determines the DTMF transport type.
 [0] DTMF Mute = Erases digits from voice stream and doesn't
relay to remote.
 [2] Transparent DTMF = Digits remain in voice stream.
 [3] RFC 2833 Relay DTMF = Erases digits from voice stream and
relays to remote according to RFC 2833 (default).
 [7] RFC 2833 Relay Rcv Mute = DTMFs are sent according to
RFC 2833 and muted when received.
Note: This parameter is automatically updated if one of the following
parameters is configured: TxDTMFOption or RxDTMFOption.
MF Transport Type
[MFTransportType]
Not Applicable.
DTMF Volume (-31 to 0 dB)
[DTMFVolume]
DTMF gain control value (in decibels) to the TDM or analog side.
The valid range is -31 to 0 dB. The default value is -11 dB.
Enable Answer Detector
[EnableAnswerDetector]
N/A.
Answer Detector Activity
Delay
[AnswerDetectorActivityDel
ay]
N/A.
Answer Detector Silence Time
[AnswerDetectorSilenceTim
e]
N/A.
Answer Detector Redirection
[AnswerDetectorRedirection
]
N/A.