Toshiba Strata DKT 用户手册

下载
页码 153
Centrex Application
Delayed Ringing
128
Strata CIX and CTX IPT/DKT Telephone     11/05
Delayed Ringing
Outside line or Centrex line(s) can be programmed for a 12-second and/or 24-second 
ring delay at stations to permit alternate answering conditions. Answer the line when 
your telephone is ringing.