| 摘要 |
PURPOSE:To attain calling by an abbreviated dial even to an opposite subscriber not set with the abbreviated dial by designating an abbreviated dial code set for other extension subscriber and using it from an extension subscriber making a call. CONSTITUTION:When an extension subscriber telephone set STA hooks off, the telephone set is connected to an outgoing register trunk ORT and a call tone is confirmed. The extension subscriber telephone set STA makes then dialing of X+YYY+ZZ. X is an access number to be accessed to the set abbreviated dial code set for other extension subscriber. A central controller CPU identifies the access to the abbreviated dial code set for other extension subscriber by receiving the information X and transmits allocated position information LEN of the stored extension subscriber telephone set STA and the information X to an adaptor ORTAP added to an outgoing register trunk ORT in case of call tone connection. |
