Audio Settings - 3Com NBX 100 Administrator's Manual

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HAPTER YSTEM

Audio Settings

C
ONFIGURATION
Table 55 System Settings System-wide Dialog Box Fields (continued)
Field
IP VLAN Tagging
Enabled
System-wide CLIR
Music On Hold
Music on Transfer
One Button
Transfer
NBX Messaging
Third-Party
Messaging
Pulse Dialing
Audio Settings enable you to affect audio quality issues that are related to
feedback (echo) or network congestion. Do not enable any Audio
Settings check boxes unless you have a specific issue to resolve. You
should rarely need to enable more than one check box to resolve an issue.
What is Silence Suppression?
Silence suppression is a method of reducing the number of packets
transmitted during a conversation. Silence suppression can help you avoid
dropped packets on a congested network. During a conversation there
are periods of silence. A packet of silence takes up just as much
bandwidth as a packet with audio data. If you enable Silence
Suppression, the phone sends a 'silence indicator' when it senses the start
of a silent period and it suppresses all subsequent voiceless frames. When
Purpose
If you enable the IP VLAN Tagging Enabled check box, the NBX
system VLAN tags outgoing voice and control packets
intended for devices on the VLAN you specified in the Virtual
LAN ID text box.
Suppresses the transmission of caller ID for outgoing calls.
Enables Ethernet multicasts for Music On Hold (MOH). MOH is
automatically enabled if Music on Transfer is enabled.
MOH Audio should be enabled only if you have a MOH device
connected to the system.
Enables MOH audio for Call Transfer; requires MOH to be
installed and enabled. Music on Transfer is automatically
disabled if MOH is disabled.
Enables system users to transfer a call by pressing the Transfer
button only once. If this box is not checked, call transfers
require users to press the Transfer button once to start the call
transfer and another time to complete the transfer of the call.
Allows you to enable or disable NBX Messaging after you
install a third-party messaging license. By default, this check
box is selected but not accessible until you install a third-party
messaging license. If you disable NBX Messaging by clearing
this check box, all NBX Messaging icons and headings become
inactive throughout NBX NetSet.
This check box is active only if you have installed a third-party
messaging license. You can enable the third-party messaging
application by selecting this check box or by clearing the NBX
Messaging check box.
Enables pulse dialing for all telephones in the system.