User's Manual 5. Customizing Your Phone
87 C450HD IP Phone
4. In the 'Group Name' field, enter the name of the group, to be displayed in the phone's screen
when there's an incoming / outgoing paging call.
5. In the 'Key Label' field, enter the name of the key to be displayed in the idle screen that you
will touch to make a paging call.
6. In the 'Multicast Address' field, enter the paging group's multicast IP address. Default:
224.0.1.0. For phones to be in a group, all must be configured with the identical multicast
address.
7. In the 'Multicast Port' field, enter the group's port. Default: 8888. For phones to be in a group,
all must be configured with the identical port.
8. Touch the Save softkey; a key is defined in the idle screen as a paging dial.