JPH0429451A - Isdn telephone system - Google Patents

Abstract

PURPOSE:To enable an incoming telephone addressed to a principal to be received at a visiting destination within a designated time range by incoming transfer that is the additional service of a network by providing a schedule management function part and an incoming transfer mode, and storing a schedule inputted by a user in advance and the telephone number of the visiting destination acting in the time range. CONSTITUTION:The incoming transfer mode is set by inputting and storing the schedule and the time range of action and the telephone number of the visiting destination in a schedule managing part 13, and the on-information of the incoming transfer mode in a transfer information storage part 14 by an input processing part 16 by the user in advance. In such a state, the information of the incoming transfer mode is read out from the transfer information storage part 14 when an incoming call from an ISDN digital communication analysis network is received, and the present time is read out by a timepiece part 17 when the on-information exists, and a transfer destination telephone within the time range including the time is read out by the schedule managing part 13, and also, the transfer destination telephone number is informed to a call control message processing part 12.

Description

[Detailed description of the invention] Industrial application field of the present invention ζ;! , relates to an I5DN telephone device that is connected to an I5DN digital communication network and uses an additional service of call forwarding.

Conventional Technology In conventional telephone equipment, when using the call forwarding mode function, the incoming call is forwarded to a pre-stored forwarding destination telephone number. Figure 2 shows the call forwarding function of a conventional l5DN telephone equipment. A block diagram including the following is shown. 31 is a communication control unit that controls a call control interface with a digital communication network; 32 is a call control message processing section 33 that controls call control messages from the communication control unit 31; A transfer information storage unit 34 that stores a mode on/off setting flag is configured to instruct the user to make a call based on an instruction from the call control message processing unit 32 regarding an incoming call. 35 is an input processing section that inputs information from the user; 36 is a system control section that controls between each functional block; 37 is a handset. Voice call processing
Reference numeral 38 denotes the l5DN digital communication network.The operation of the conventional l5DN telephone device configured as described above will be explained below.The user inputs in advance the forwarding destination telephone number information and forwarding mode used for call forwarding using the input processing section 35. The information specifying "ON" is stored in the forwarding information storage section 33, the incoming call forwarding mode is set, and the incoming line communication control section 31 controls the call control interface from the LISDN digital communication network 38 via the call control message processing section 32. Also receives a message instruction from an incoming call.The call transfer instruction section 34 reads out the information on the call transfer mode from the transfer information storage section 33.When the information is on, it reads the transfer destination telephone number and goes to the call control message processing section 32. Notify the forwarding destination telephone number, activate the call forwarding function of the additional service to the 15DN digital communication network via the communication control unit 31, and execute the call forwarding to the forwarding destination. Control.

Problems to be Solved by the InventionHowever, in the conventional 15DN telephone device as described above, the call forwarding process for incoming calls is always in the call forwarding activated state due to the call forwarding mode ON information, and the incoming call is transferred to the forwarding function. The present invention solves such conventional problems, such as the problem that the user may be transferred to a destination that does not exist.
When the user enters call forwarding mode, incoming calls can be forwarded to the forwarding destination at the time the user is present.
It is an object of the present invention to provide a DN telephone device and a means for solving the problems.The present invention achieves the above objects! a communication control unit that controls a call control interface with the l5DN digital communication network; a call control message processing unit that controls call control messages of the communication control unit; A schedule management section that stores and manages telephone number information of the destination; a transfer information storage section that stores an on/off setting flag for incoming call transfer mode; and a transfer information storage section that stores incoming call instructions from the call control message processing section. The call forwarding mode on/off information for selecting the call display is read out from the schedule management section and the call forwarding mode is read out from the schedule management section. The present invention has the following functions with the above-described configuration. The user uses the input processing means to input and store the schedule, the time range of the action, and the telephone number of the action destination in the call forwarding mode on information in the schedule management section.
The incoming call from the N digital communication network is received through the receiving line.The communication control unit controls the call control interface, the call control message processing unit notifies the incoming call transfer instruction unit of an instruction based on the incoming call, and the incoming call transfer instruction unit stores the transfer information. Read the call forwarding mode information from the clock section, read the current time from the schedule management section, and read the forwarding destination phone number in the time range that includes that time from the schedule management section. Notifies the call control message processing unit of the forwarding destination telephone number and also instructs the call forwarding function L Activates the call forwarding function of the supplementary service via the communication control unit to the 15DN digital network, and the incoming call is forwarded. Embodiment FIG. 1 shows a block diagram of an I5DN telephone device in an embodiment of the present invention. In FIG. 1, 11 is a communication control unit that controls the call control interface with the 15DN digital communication network, 12 is a call control message processing section that controls call control messages from the communication control unit 11, and 13 is input in advance by the user. 14 is a transfer information storage unit that stores the on/off setting flag of the incoming call transfer mode; 15 is an incoming call from the call control message processing unit 12; A schedule management unit that instructs the user to make a call or reads on/off information for selecting a call forwarding mode based on an instruction from a call, and is within the time range in which the incoming call occurs when on information of the call forwarding mode is detected. A call transfer instruction unit reads out the telephone number located in as the forwarding destination telephone number and notifies the call control message processing unit 12 with the call transfer instruction. 16 is an input processing unit that inputs information from the user. 17 is a clock. 18 is each functional block. 19 is a voice call processing section 20 including a handset, which is an L5DN digital communication network, which is configured as four or more L5Ds in this embodiment.
The operation of the N telephone will be explained below.The user enters the schedule, the time range of the action, and the telephone number of the action destination in the schedule management part 13 in advance through the input processing part 16, and the call forwarding mode is turned on in the forwarding information storage part 14. The information is entered and stored, and the call transfer mode is selected.In this state, when receiving an incoming call from the 15DN digital communication network, the communication control unit controls the call control interface, and the call control message processing unit 12 receives instructions from the incoming call. The incoming call forwarding instructing unit 15 reads out the information on the incoming call forwarding mode from the forwarding information storage unit 14. When the ON information is on, the clock unit 17 reads out the current time, and the schedule management unit 13 reads the current time. When the forwarding destination telephone number in the included time range is read out, the call control message processing section 12 is notified of the forwarding destination telephone number, and the call control message processing section 12 is notified of an instruction for the call forwarding function, and via the communication control section 11, The call forwarding function of the supplementary service is activated for the I5DN digital network 20, and the incoming call is forwarded.According to the present invention, the overall control ζ is controlled by the system control 18, as described in the detailed description of the invention. By providing a schedule management function and call forwarding mode when the user uses the call forwarding function on the 15DN telephone device,
By storing and managing the schedule entered in advance by the user and the phone number of the person to act during that time range,
Users can receive incoming calls addressed to them at their destination within a specified time range by using the network's additional service call forwarding, which has great practical effects.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an ISDN telephone device according to an embodiment of the present invention. FIG. 2 is a block diagram of a conventional example. 11... Communication control unit 12... Call control message processing i 13... Schedule management channel 14... Transfer information storage K 15... Incoming call transfer instruction unit 16...
- Input processing unit 17...Clock unit 18...System control 19...Voice call processing unit including handset 20
...Digital communication line detail 31...Communication control a3
2...Call control message processing clothing 33...Transfer information storage section 34...Incoming call transfer instruction section 35...Input processing section 36...System control a 37...Voice call processing clothing including a handset・・・Digital communication line

Claims (1)

[Claims] A communication control unit that controls a call control interface with the ISDN digital communication network, a call control message processing unit that controls call control messages of the communication control unit, and a schedule and action range time and action that are input in advance by the user. A schedule management unit that stores and manages destination telephone number information, a transfer information storage unit that stores an on/off setting flag for incoming call transfer mode, and an incoming call instruction from the call control message processing unit to make a call to the user. Reads the on/off information of the call forwarding mode for display selection, reads the telephone number information in the time range that includes the time when the incoming call occurred from the schedule management section, and displays the call control message when the call forwarding mode is turned on. 1. An ISDN telephone device, comprising: a call transfer instruction unit that notifies a processing unit of a call transfer function instruction together with a call transfer function instruction, and performs call transfer.