Nortel Networks NN10265-111 - Manual (Page 109)

MCS 5100 RTP Media Portal Basics
109 Copyright © Nortel Networks Limited 2006
If it is necessary to change the IP address, expand the RTP
Portal options and right-click on RTP Portal to select Modify.
From the RTP Media Portal tab to make the appropriate
changes.
Figure 51 RTP Media Portal tab
No further action is required, and the final step in this procedure
may be skipped.
4 Expand the RTP Portal options and right-click on RTP Portal to
select Restart. The system will reboot.