User's Manual 894 Document #: LTRT-10466
Mediant 500L MSBR
Parameter Description
s
The device can interwork DTMF HookFlashCode to SIP
INFO messages with Hook Flash indication (for digital
interfaces).
FXO interfaces support only the receipt of RFC 2833
Hook-Flash signals and INFO [1] type.
FXS interfaces send Hook-Flash signals only if the
EnableHold parameter is set to 0.
Web: Min. Flash-Hook Detection
Period [msec]
EMS: Min Flash Hook Time
CLI: min-flash-hook-time
[MinFlashHookTime]
Defines the minimum time (in msec) for detection of a hook-
flash event. Detection is guaranteed for hook-flash periods
of at least 60 msec (when setting the minimum time to 25).
Hook-flash signals that last a shorter period of time are
ignored.
The valid range is 25 to 300. The default is 300.
Notes:
This parameter is applicable only to FXS interfaces.
It's recommended to reduce the detection time by 50
msec from the desired value. For example, if you want to
set the value to 200 msec, then enter 150 msec (i.e., 200
minus 50).
Web: Max. Flash-Hook Detection
Period [msec]
EMS: Flash Hook Period
CLI: flash-hook-period
[FlashHookPeriod]
Defines the hook-flash period (in msec) for both Tel and IP
sides (per device). For the IP side, it defines the hook-flash
period that is reported to the IP.
For the analog side, it defines the following:
FXS interfaces:
Maximum hook-flash detection period. A longer
signal is considered an off-hook or on-hook event.
Hook-
flash generation period upon detection of a SIP
INFO message containing a hook-flash signal.
FXO interfaces: Hook-flash generation period.
The valid range is 25 to 3,000. The default is 700.
Notes:
For FXO interfaces, a constant of 100 msec must be
added to the required hook-flash period. For example, to
generate a 450 msec hook-flash, set this parameter to
550.
This parameter can also be configured in a Tel Profile.
DTMF Parameters
EMS: Use End of DTMF
CLI: notify-on-sig-end
[MGCPDTMFDetectionPoint]
Determines when the detection of DTMF events is notified.
[0] = DTMF event is reported at the end of a detected
DTMF digit.
[1] = (Default) DTMF event is reported at the start of a
detected DTMF digit.
Web: Declare RFC 2833 in SDP
EMS: Rx DTMF Option
CLI: rfc-2833-in-sdp
[RxDTMFOption]
Global parameter that enables the device to declare the
RFC 2833 'telephony-event' parameter in the SDP. You can
also configure this functionality per specific calls, using IP
Profiles (IpProfile_RxDTMFOption). For a detailed
description of this parameter and for configuring this
functionality in the IP Profile table, see ''Configuring IP
Profiles'' on page 332.
Note: If this functionality is configured for a specific IP
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