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102-2
Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 102 Common Device Configuration
Common Device Configuration Settings
User Hold MOH Audio
Source
Choose the audio source to use for MOH when a user initiates a hold action.
Network Hold MOH
Audio Source
Choose the audio source to use for music on hold (MOH) when the network
initiates a hold action.
User Locale From the drop-down list box, choose the locale for the common device
configuration. The user locale identifies a set of detailed information to
support users, including language and font.
Note If the user does not choose a user locale, the locale that is specified
in the Cisco Unified Communications Manager clusterwide
parameters as Default User Locale applies.
IP Addressing Mode Choose the version of IP address that the device (SIP trunk or phone that runs
SCCP) uses to connect to Cisco Unified Communications Manager. From
the drop-down list box, choose one of the following options:
• IPv4 Only—For both media and signaling events, the device uses an
IPv4 address to connect to Cisco Unified Communications Manager. If
an IPv4 address is not available for the device, the call fails.
If you choose this option, the phone releases an IPv6 address. If you
choose this option, the SIP trunk uses an IPv4 address to connect to the
peer device.
• IPv6 Only—For both media and signaling events, the device uses an
IPv6 address to connect to Cisco Unified Communications Manager. If
an IPv6 address is not available for the device, the call fails.
If you choose this option, the phone releases an IPv4 address. If you
choose this option, the SIP trunk uses an IPv6 address to connect to the
peer device.
Phones that run SIP do not support IPv6, so do not choose this option for
these phones. If you configure IPv6 Only as the IP Addressing Mode for
phones that run SIP, the Cisco TFTP service overrides the IP Addressing
Mode configuration and uses IPv4 Only in the configuration file.
• IPv4 and IPv6 (Default)—Choose this option for dual-stack devices,
which can have both an IPv4 and IPv6 address. For both media and
signaling events, the dual-stack device uses either an IPv4 or an IPv6
address to connect to Cisco Unified Communications Manager.
If only an IPv4 or IPv6 is available for a device (not both types of IP
addresses), the device uses the available IP address to negotiate the call.
If the device has both IP address types for both signaling and media
events, Cisco Unified Communications Manager uses the configuration
for IP Addressing Mode Preference for Signaling setting for signaling
events and the IP Addressing Mode Preference for Media enterprise
parameter for media events.
Table 102-1 Common Device Configuration Settings (continued)
Field Description