28 / Answering callsNorstar-PLUS Modular ICS 2.0 System Coordinator Guide P0857846 Issue 02What line indicators meanRings you may hearAnswering calls at a prime telephoneEach line in a Norstar system can be assigned a prime telephone.Calls not answered at their normal destinations are transferred tothe prime telephone. The prime telephone is usually the attendant’stelephone. The installer or customer service representativeprograms a prime telephone for a line.Displaysº Flashing on and off forequal lengths of timeThere is an incoming call on the line.º Flashing on and off morequicklyYou have placed a call on hold.º Flashing on for longerthan offSomeone else has put a call on holdon that line.º On, not flashing You are connected to the call on thatline or the line is in use elsewhere.Off The line is free.A double beep every tensecondsA call has been camped to your telephone.A long single ring There is an external call on the line for you.A shorter double ring There is an internal call on the line for you ora call is being transferred to you.A brief single ring A call is being redirected on one of yourredirected lines. You cannot answer this call.Three beeps descendingin toneYou are receiving a priority call.The person at telephone 221 has forwardeda call to you using Do Not Disturb.The system has transferred a call to you froma telephone with Do Not Disturb turned on.Nobody answered this call so the systemtransferred it to you.
