48 Additional configuration using the VoIP Settings menuStep Action1 Log in to the IP Phone 1535 using the Admin Mode. For moreinformation, see "Logging in to the IP Phone 1535 Admin Mode"(page 25).2 From the Main Menu, select Settings > VoIP Settings >Registration, and press OK.3 Select De-register and press OK. The IP Phone 1535 will nowderegister itself as an endpoint of the Communications Server.—End—Setting the registration interval using the Expires configurationoption To maintain access, the IP Phone 1535 must periodically reregister itself asan endpoint with the Communications Server. The period of time betweenthese scheduled registrations is a value (in seconds) that you can set usingthe Expires configuration option.Configuring the registration interval:Step Action1 Log in to the IP Phone 1535 using the Admin Mode. For moreinformation, see "Logging in to the IP Phone 1535 Admin Mode"(page 25).2 From the Main Menu, go to Settings > VoIP Settings >Registration and select Expires, and press OK3 Enter a value in seconds from 60 to 86400, and press OK(thedefault value is 86400).—End—Misc. (Miscellaneous) configuration optionThis section covers additional functions of the Misc. configuration option notcovered elsewhere in this document. Specifically, the Call Total Bandwidth(CTBW), Codec Priority, and Voice Mail functions. Each of these will becovered separately in subsequent sections.To access the Misc. configuration options:Nortel Communications ServersNortel IP Phone 1535 Installation and CommissioningNN43160-300 02.03 StandardRelease 4.0/SN10 28 October 2009Copyright © 2009, Nortel Networks.
