SIP User's Manual 418 Document #: LTRT-65415
MediaPack Series
Parameter Description
EMS: DTMF Length (msec)
[DTMFDigitLength]
Time (in msec) for generating DTMF tones to the PSTN side (if
TxDTMFOption = 1, 2 or 3). It also configures the duration that is
sent in INFO (Cisco) messages.
The valid range is 0 to 32767. The default value is 100.
EMS: Rx DTMF Relay Hang
Over Time (msec)
[RxDTMFHangOverTime]
Defines the Voice Silence time (in msec) after playing DTMF or MF
digits to the Tel/PSTN side that arrive as Relay from the IP side.
Valid range is 0 to 2,000 msec. The default is 1,000 msec.
EMS: Tx DTMF Relay Hang
Over Time (msec)
[TxDTMFHangOverTime]
Defines the Voice Silence time (in msec) after detecting the end of
DTMF or MF digits at the Tel/PSTN side when the DTMF Transport
Type is either Relay or Mute.
Valid range is 0 to 2,000 msec. The default is 1,000 msec.
10.11.5 RTP, RTCP and T.38 Parameters
The RTP, RTCP and T.38 parameters are described in the table below.
Table 10-35: RTP/RTCP and T.38 Parameters
Parameter Description
Web: Dynamic Jitter Buffer Minimum
Delay
EMS: Minimal Delay (dB)
[DJBufMinDelay]
Minimum delay (in msec) for the Dynamic Jitter Buffer.
The valid range is 0 to 150. The default delay is 10.
Notes:
 This parameter can also be configured per IP Profile or
Tel Profile, using the IPProfile and TelProfile parameters
respectively.
 For more information on Jitter Buffer, see ''Dynamic Jitter
Buffer Operation'' on page 227.
Web: Dynamic Jitter Buffer
Optimization Factor
EMS: Opt Factor
[DJBufOptFactor]
Dynamic Jitter Buffer frame error/delay optimization factor.
The valid range is 0 to 12. The default factor is 10.
Notes:
 For data (fax and modem) calls, set this parameter to 12.
 This parameter can also be configured per IP Profile or
Tel Profile, using the IPProfile and TelProfile parameters
respectively.
 For more information on Jitter Buffer, see ''Dynamic Jitter
Buffer Operation'' on page 227.
Web/EMS: Analog Signal Transport
Type
[AnalogSignalTransportType]
Determines the analog signal transport type.
 [0] Ignore Analog Signals = Ignore (default).
 [1] RFC 2833 Analog Signal Relay = Transfer hookflash
using RFC 2833.
Web: RTP Redundancy Depth
EMS: Redundancy Depth
[RTPRedundancyDepth]
Determines whether the device generates redundant
packets. This can be used for packet loss where the missing
information (audio) can be reconstructed at the receiver end
from the redundant data that arrives in the subsequent
packet(s).
 [0] 0 = Disable the generation of redundant packets
(default).
 [1] 1 = Enable the generation of RFC 2198 redundancy
packets (payload type defined by the parameter
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