Message Waiting Indicator (MWI) 59Table 13M3905 key configuration (cont’d.)Key number DescriptionKey 8 Above Key 7 (shown as Options key).Keys 9-12 Configure as one of the following:• AEMK = Answer Emergency• CLSUP = Call Supervisor• EMK = Emergency• MSB = Make Set Busy• ACDNR = Not Ready• LOB = Line of Business• DQS = Display Queue Status (with supervisor or agent telephones)• OBS = Observe agent• CAG = Call Agent key• MSQS = Multistage Queue Status• AAK = Answer AgentKey 17 Recommended as MWK, but is not a default feature key since it can beused as a context-sensitive soft key.Key 18 CRX (Call Transfer) key.Key 19 CNF C06 (six-port Conference).Key 20 CFU (Call Forward).Key 21 RGA (Ring Again).Key 22 PRK (Call Park)Key 23 CPU (Call Pick-up).Key 24 Speed Call Short (SCS), Long (SCL), or User (SCU).Key 25 PRL (Privacy Release).Keys 26-27 Null.Key 28 Callers List.Key 29 Redial List.Keys 30-32 Null.Message Waiting Indicator (MWI)The MWI indicates that a message has been left. This LED flashes whenthe set is ringing. If simultaneously the set is ringing and a message is left,the LED flashes until the set stops ringing.Nortel Communication Server 2100M3900 Series Meridian Digital Telephones User GuideNN42200-110 09.01 Standard20 August 2008Copyright © 2008 Nortel Networks.
