Maintenance Manual

Redial limit Enables or disables the redial limit for this
endpoint, and overrides the corresponding
box-wide setting.
The redial limit allows the MCU to stop trying to
reconnect a failed call. When the limit is enabled,
the MCU will attempt to reconnect up to ten times:
once immediately after the connection failure;
four times at one minute intervals thereafter, and
once every five minutes for a further five attempts.
When the redial limit is disabled, the MCU
continues retrying - once every five minutes -
after those first ten attempts. It will do this until
the connection is made. If the connection is never
made, the MCU continues retrying until either the
conference or the participant is destroyed.
The redial pattern has an initial delay when the
redial behavior is set to Redial on any
disconnection. With that setting, the MCU does
not immediately redial after a deliberate
disconnection - it waits 30 seconds.
DTMF
sequence
The DTMF sequence to send to an endpoint
after it answers the call.
The sequence may be up to 127 characters
long and may include digits 0-9 and the
following characters: * (star), # (pound/hash),
and , (comma). The comma represents a two
second pause.
There is always a two second pause after the
call connects, after which the MCU will send
the DTMF tones at a rate of two per second.
You can insert as many two second pauses
as you need by inserting commas into the
DTMF sequence. Leading and trailing
commas are supported.
This sequence enables the MCU to navigate
through an audio menu. This is useful where a
conference on the MCU dials out to an audio-only
conference on an audio bridge.
You can configure the audio bridge as a pre-
configured endpoint (either H.323 or SIP) and
specify the DTMF sequence which will than be
used whenever the bridge is added to any
conference. Alternatively, you can add the audio
bridge as an ad hoc participant to an individual
conference.
For example, assume you want the MCU to dial
out to a PIN-protected audio conference on an
audio bridge. The conference ID is 555 and the
PIN is 888. The audio bridge requires that you
press # after entering the ID and after entering the
PIN. In this example the DTMF sequence could be:
555#,,888#. The two commas represent a four
second pause which allows the audio bridge's
automated menu system time to process the ID
and request the PIN.
Suppress
audio during
DTMF
Suppresses the audio stream while initial
DTMF connection sequence is being sent, so
that other conference participants do not
hear the audio of this participant or
interactive voice responders reacting to the
tones.
Outgoing only suppresses the audio to the
endpoint while DTMF tones are sent to the
endpoint.
All also suppresses both incoming and
outgoing audio for the participant while the
initial DTMF sequence is being sent to the
endpoint.
This setting is independent of other audio muting
mechanisms. Audio suppression is active for the
duration of the DTMF tone sequence, including
any deliberate pauses (commas in the DTMF
sequence).
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