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CA50/UCA Client & Server Developer & User Guide
Multicast settings specify the multicast address which must be used to receive Walkie-Talkie (WT) messages.
Walkie-Talkie Channel Settings
Figure 8-9
Walkie-Talkie Channel Settings
There are four types of Walkie-Talkie channels.
1.
Default
The channel assigned to the user on login, the user can talk and hear on this channel.
2.
Listen/Talk Channel
Users can listen and talk on Listen/Talk channels.
3.
Listen Only Channel
Users can listen to but cannot talk on Listen Only channels.
Users cannot manually select and enter single channel mode on Listen Only channels.
Table 8-1
Walkie-Talkie Multicast Settings
Field
Description
IP Address
The multicast IP address is used to send/receive the WT messages to all the devices in the same
subnet. All the devices (that need to listen and talk to other devices) must subscribe to the same
multicast IP address. If the increment type is set to IP address, the device subscribes to multiple
multicast addresses for the different channels. For example: See
, the base multicast IP
address is 239.192.2.2. If the channel increment type is set to IP address, the device subscribes to
IP address 239.192.2.3 for Channel 1, 239.192.2.4 for Channel 2, etc.
Port
The base port on which the device receives text messages. All the other WT (voice message)
channels listen on port numbers relative to this port.
If the increment type is set to Port, the device listens on the port number next to the base port
number for Channel 1. For example: See
, the base port is 5000. If the channel increment
type is set to port, the device listens on port 5001 for Channel 1, port 5003 for Channel 3, etc. The
device subscribes to only one Multicast IP address. The device sends the WT messages to the base
multicast address, but listens to different channels on different ports.
Channel increment
Defines how the WT channels are incremented relative to the base multicast address or base port.
Summary of Contents for CA50
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