SIP User's Manual
746
Document #: LTRT-12804
Mediant 800 MSBG
Parameter
Description
Web: Min. Flash-Hook Detection
Period
[msec]
EMS: 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 value is 300.
Notes:
For this parameter to take effect, a device reset is required.
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
[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:
9
Maximum hook-flash detection period. A longer signal
is considered an off-hook or on-hook event.
9
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 value is 700.
Notes:
For this parameter to take effect, you need to reset the
device.
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 per Tel Profile,
using the TelProfile parameter.
DTMF Parameters
EMS: Use End of DTMF
[MGCPDTMFDetectionPoint]
Defines when the detection of DTMF events is notified.
[0]
= DTMF event is reported at the end of a detected
DTMF digit.
[1]
= DTMF event is reported at the start of a detected
DTMF digit (default).
Web: Declare RFC 2833 in SDP
EMS: Rx DTMF Option
[RxDTMFOption]
Defines the supported receive DTMF negotiation method.
[0]
No = Don't declare RFC 2833 telephony-event
parameter in SDP.
[3]
Yes = Declare RFC 2833 telephony-event parameter in
SDP (default).
The device is always receptive to RFC 2833 DTMF relay
packets. Therefore, it is always correct to include the
'telephony-event' parameter as default in the SDP. However,
some devices use the absence of the 'telephony-event' in the
SDP to decide to send DTMF digits in-band using G.711
coder. If this is the case, you can set this parameter to 0.
Summary of Contents for Mediant 800 MSBG
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