Feature implementation 597Room StatusYou can change the access limitations for room telephones from the BGD orfrom a telephone equipped with a Room Status key (RMK).Scheduled Access RestrictionsDuring normal hours, CCOS limitations override normal telephonelimitations. During off-hour periods or times when a Scheduled AccessRestrictions (SAR) LOCK is in effect, however, Scheduled AccessRestrictions apply. When the LOCK or off-hour period ends, CCOSlimitations continue to apply until they are removed or SAR becomeseffective again. Whether a CCOS controller or electronic lock is used toactivate CCOS, there is no indication to the user when Scheduled AccessRestrictions are in effect, overriding CCOS limitations. A telephone definedin LD 10 or 11 or a trunk defined in LD 14, which is assigned an SARgroup number, has its Class of Service defined by the SAR schedule of itsSAR group.Station Category IndicationThe Controlled Class of Service (CCOS) feature has priority over SCI. Astation’s SCI category is suppressed when CCOS is active, and calls to theattendant DN carry the CCOS class defined in the database.Feature packagingThe (CCOS) package must be equipped to activate the Controlled Class ofService feature.Feature implementationTask summary listThe following is a summary of the tasks in this section:1. "LD 15 - Enable CCOS for a customer." (page 598)Enable CCOS for a customer.2. "LD 11 - Allow CCOS on Meridian 1 proprietary telephones." (page 598)Allow CCOS on Meridian 1 proprietary telephones.3. "LD 10 - Allow CCOS on analog (500/2500 type) telephones." (page 598)Allow CCOS on analog (500/2500 type) telephones.4. "LD 11 - Change CCOS controlling telephone assignments on Meridian1 proprietary telephones." (page 599)Change CCOS controlling telephone assignments on Meridian 1proprietary telephones.Nortel Communication Server 1000Features and Services Fundamentals — Book 2 of 6 (C)NN43001-106 02.04 StandardRelease 5.5 9 May 2008Copyright © 1994–2008, Nortel Networks.