Maintenance Manual

Mute in-band
DTMF
Set the option for the muting of in-band DTMF sent
from endpoints in this conference. Note that this
sets the conference configuration for this option, but
you can also override it for individual endpoints in
the conference (through the configuration of the
individual endpoints). Choose from the following (the
setting will be applied to all endpoints in the
conference that are configured to use the
conference configuration for Mute in-band DTMF):
■ Never: the in-band DTMF will never be
muted. Any DTMF tones sent from these
endpoints will be audible to conference
participants.
■ Always: the in-band DTMF will always be
muted. Any DTMF tones sent from these
endpoints will not be audible to conference
participants.
■ When used for MCU control: if a participant is
using in-band DTMF to control conference
layout and for other in-conference features,
the tones will be muted and will not be
audible to conference participants. The MCU
will only expect a participant to use DTMF for
MCU control if Layout control via FECC /
DTMF or Send camera control to
participants is set to DTMF only, FECC and
DTMF, or FECC with DTMF fallback and FECC
has not been established, or if the participant
is able to use the in call menu.
This is a per-conference option, but you
can still enable or disable the muting of in-
band DTMF on a per-participant basis.
In some circumstances, you might need to
override this setting for individual
endpoints. For example, where a
conference is cascaded onto an audio
bridge, it might be useful for one of the
participants in that conference to be able
to send in-band DTMF to the MCU. This is
for the purposes of sending the
conference ID or PIN to the audio
conferencing bridge. In this case, the
Mute in-band DTMF setting for the
endpoint of that participant needs to be
Never (and you configure this in an
endpoint's configuration, see Configuring
an H.323 endpoint and Configuring a SIP
endpoint).
For ad hoc conferences, you can
configure the Mute in-band DTMF setting
through the ad hoc conferences template.
You can also edit the Mute in-band DTMF
setting for individual active ad hoc
conferences.
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