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Operations Guide 930500E CyberData Corporation
42
Installing the VoIP V3 Indoor Intercom
Configure the Multicast Parameters
2. On the Multicast Configuration page, enter values for the parameters indicated in Table 2-14.
Web Page Item Description
Enable Multicast Operation Enables or disables multicast operation.
Device Settings
Priority Indicates the priority for the multicast group. Priority 9 is the
highest (emergency streams). 0 is the lowest (background
music). SIP calls are considered priority 4.5. See Section
2.4.9.1, "Assigning Priority" for more details.
Address Enter the multicast IP Address for this multicast group (15
character l
imit).
Port (range can be from 2000 to 65535) Enter the port number for this multicast group (5 character
limi
t).
Note: The multicast ports have to be even values. The
webpage will enforce this restriction.
Multicast Group Name Assign a descriptive name for this multicast group (25
character l
imit).
Click the Sa
ve button to save your configuration settings.
Note: You need to reboot for changes to take effect.
Click on the Re
boot button to reboot the system.
3. After changing the parameters, click on the Save button.
2.4.9.1 Assigning Priority
When playing multicast streams, audio on different streams will preempt each other according to
their priority in the list. An audio stream with a higher priority will interrupt a stream with a lower
priority.
If both SIP and Multicast is enabled, SIP audio streams are considered priority 4.5. SIP audio will
interr
upt multicast streams with priority 0 through 4 and will be interrupted by multicast streams with
priority 5 through 9.
During priority 9 m
ulticast streams the volume level is set to maximum.
Note SIP calls
, multicast streams, ring tones, ringback tones, and nightring tones are all
prioritized.
Ringtones and
Nightringtones
Ringtones all play at the same priority level. This means that it is possible to have a nightring tone
and a normal ringtone playing at the same time.
Table 2-14. Multicast Configuration Parameters