AudioCodes 440HD User Manual page 50

224.0.1.0. For phones to be in a group, all must be configured with the identical multicast
address.
8. 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.
9. Press the Save softkey; the Function Key is now configured for paging.
User's Manual 50
430HD and 440HD IP Phone
Document #: LTRT-11937