1.3 Telephone Features82 Operating ManualTo call a doorphone1.3.39 Emergency CallYou can dial preprogrammed emergency numbers after seizing an outside (CO) line, regardless of anydialing restrictions on your extension.• If no one answers a doorphone call within a specified time period, ringing stops and thecall is canceled.• Doorphones 1 and 2 (or doorphones 3 and 4) cannot be used at the same time. When oneis in use, you cannot have a conversation with the other.Programming Manual References[PT Programming]• [700-702] Doorphone Ringing—Day/Night/Lunch• [706] Doorphone Ring Tone Pattern• [707] Doorphone Access Tone• [708] Doorphone Ring Time• [710] Doorphone Ring/Chime• [711] Doorphone Chime Assignment• [712] Doorphone Chime Pattern[PC Programming]• 9.7.1 Ringing & Door Opener [7-1]—Doorphone 1–4—Day, Night, Lunch• 9.7.2 Others [7-2]—Doorphone Ring Tone Pattern—Door 1–4, Doorphone AccessTone—Door 1–4, Doorphone Ring Time—Door 1–4, Doorphone Ring / Chime—Door1–4, Doorphone Chime Assignment—Door 1–4, Doorphone Chime Pattern—Door1–4Feature Manual References• 1.1.47 Doorbell/Door Chime• 1.1.48 Doorphone CallOperating Manual References• 1.3.80 Room MonitorTalk.Off-hook. Dial doorphonenumber (1–4).doorphone no.PT/SLTEnter 31.3 1 C.Tone