摘要:
A handover control is executed when a location area of the mobile station is changed. The communication channel applied is the optimum route suited for the roaming destination of the mobile station. A service controller 6 is provided in the mobile communication network, switching node information transmitters 7 are provided in switching nodes 151, 131 and 132 so as to transmit, to the service controller 6, switching node informations representing the nodes themselves. Furthermore, in the service controller 6, a memory 8 for storing the switching node informations, and a handover execution unit 9 for executing handover control are provided. When a fixed terminal 5 in an external network and the mobile station 1 are in communication, and the location area of the mobile station 1 is to changed due to roaming, the handover execution unit 9 specifies, on the basis of contents of the switching node information memory 8, the gateway conducting & switching node 151 to be the node utilized for the communication channel. Then, the unit 9 issues an instruction to assign a channel from the gateway conducting & switching node 151 to the subscriber switching node 132 in the location area which is the roaming destination.
摘要:
A switching center 30 comprises a memory part M2, a memory part M3, and a memory part M4. The memory part M2 stores a terminating terminal number corresponding to and registered by each subscriber. The memory part M3 stores idle/busy information corresponding to each terminal. The memory part M4 stores idle/busy information corresponding to each subscriber. When a subscriber 11.sub.1 makes a call at a terminal 12.sub.2, the switching center 30 determines whether the idle/busy information for the subscriber 11.sub.1 stored in the memory part M4 is idle or busy. When the idle/memory information represents idle, the switching center 30 refers to the idle/busy information for the terminal 12.sub.2 stored in the memory part M3. When this idle/busy information represents idle, the switching center 30 reads out the terminal number of a terminating terminal of a terminating subscriber stored in the terminating terminal memory part M2 and performs an outgoing call connection process. At this point, the switching center 30 also sets the idle/busy information for the subscriber 11.sub.1 and the terminal 12.sub.2 to busy state. When the subscriber 11.sub.1 makes a call, while the terminating terminal 12.sub.1 is performing an incoming call connection process for the subscriber 11.sub.1, since the idle/busy information for the subscriber 11.sub.1 has been set to the busy state, even if the terminal 12.sub.2 is idle, the switching center 30 does not perform an outgoing call connection process for the subscriber 11.sub.1 at the terminal 12.sub.2.
摘要:
To register current codec types of a mobile station with a network side, the mobile station 11 notifies, when it conducts the location registration or a mobile user replaces his or her old mobile station, a visitor location switching system 5, which is associated with the current location of the mobile station, of the codec types supported by the mobile station 11 using a mobile communication control signal between the mobile station and the mobile network. Receiving the notification, the visitor location switching system 5 enters the update of the codec types into a location register 41 in a memory home station that controls the mobile network 2. The codec types can be thus registered into the mobile network 2 using the mobile communication control signal. Since the mobile network 2 can always acquire the latest codec types for the mobile station, the discrepancy is canceled between the codecs the mobile station supports and the codecs the network registers.
摘要:
In a mobile communication network, a mobile unit location register ML and a subscriber location register SL are provided. In the mobile unit location register the mobile location of a mobile unit MT is registered, whereas in the subscriber location register a mobile unit MT selected by each subscriber SB as a terminal for call terminating use is registered. Upon receiving a terminating call for a subscriber, a switching center SW reads out, from the subscriber location register SL, an identifying number TID of the mobile unit registered by the subscriber SB as a terminal for call terminating use and uses the mobile unit identifying number TID to read out the mobile location of the mobile unit MT from the mobile unit location register ML, thereafter sending the terminating call to the registered mobile unit of the read-out mobile location.
摘要:
There is provided a communication system and a communication method of making available both a shared telephone number shared by multiple communication terminals and an individual telephone number dedicated to a user's own terminal in a single communication terminal. A shared managing unit 11 of a communication system 1 manages terminal identifiers 1 and 3 identifying each of a plurality of communication terminals 30a and 30b to which a shared telephone number is assigned in correlation with the shared telephone number. An individual managing unit 12 manages a terminal identifier 2 identifying a communication terminal 30b to which an individual telephone number is assigned is correlation with the individual telephone number. A user information managing unit 13 manages user information including base station information of communication terminals identified by the identifier every terminal identifiers 1, 2, and 3. A call control device 20 carries out call control of communication terminals 30b, to which the shared telephone number and an individual telephone number are assigned, using this information.
摘要:
There are provided a server apparatus capable of transmitting any message in a flexible manner at various timings of communication service states, and a message transmission method thereof. When a communication trigger detector 103 of an IMS 100 detects a trigger point, a determination portion 104 determines a massage to be transmitted based upon at least one of a type of the communication service state, a transmission destination of the message, presence information, and an instruction input. A message transmitter 105 give an instruction to an information storage device 300 to transmit the message to be transmitted that has been determined, and the information storage device 300 transmits the message to the transmission destination.
摘要:
There are provided a video editing system, a video editing server and a communication terminal which enable simultaneous editing operations for editing a video content to be performed by plural persons, without generating a file in which a content of the editing has been reflected in the video content. One of a plurality of editing terminals in a synchronized state generates an edit command for editing a video content with an edit command generating section, based on an editing operation by a user from a terminal operating section, and transmits the generated edit command to a video editing server via an information transmitting/receiving section. If the edit command is received via an information transmitting/receiving section, the video editing server transmits the received edit command to another editing terminal in the synchronized state, via an edit command synchronizing section. If the edit command is received via the information transmitting/receiving section, another editing terminal in the synchronized state displays a content of the edit command on a screen displaying section via an edit command displaying section.
摘要:
It is an object of the present invention to ensure readily communication between subgroups with reduced trouble to the user in the group communication in terms of subgroup formation and so on. A group communication server according to an embodiment of the present invention provides terminals with an intercommunication function between a plurality of terminals belonging to the same group, specifically a group communication function. The group communication server comprises a group information database for storing subgroup information that specifies terminals belonging to subgroups comprising a plurality of terminals of the terminals belonging to the group, and timing information that indicates a timing for establishing connection for intercommunication between the terminals belonging to these subgroups, and a group management unit and connection control unit which constitute control means for executing a control to establish connection between the terminals belonging to the subgroups specified by the subgroup information at a timing specified by the timing information stored in the group information database.
摘要:
An object of the present invention is to avoid packet loss and implement a seamless handover by minimizing the handover latency when a handover is implemented by a multihomed moving network (MN) or a mobile host (MH). The present invention is a mobile communication system that is constituted comprising an MN, a plurality of AI each constituting an interface for the connection to a core network at the MN, and a control device (MMF), wherein the MMF dynamically changes the AI adopted as the connection interface when a predetermined condition is satisfied on the basis of the connection status to the core network at each AI or the prediction information for a subsequent handover. In so doing, the control device continues the transmission and receipt of data with respect to an appropriate AI capable of maintaining a predetermined communication quality, and maintains the connection to the core network of another AI while causing this AI to enter a closed state in which the transmission and receipt of data is disabled.
摘要:
There are provided a video editing system, a video editing server and a communication terminal which enable simultaneous editing operations for editing a video content to be performed by plural persons, without generating a file in which a content of the editing has been reflected in the video content. One of a plurality of editing terminals in a synchronized state generates an edit command for editing a video content with an edit command generating section, based on an editing operation by a user from a terminal operating section, and transmits the generated edit command to a video editing server via an information transmitting/receiving section. If the edit command is received via an information transmitting/receiving section, the video editing server transmits the received edit command to another editing terminal in the synchronized state, via an edit command synchronizing section. If the edit command is received via the information transmitting/receiving section, another editing terminal in the synchronized state displays a content of the edit command on a screen displaying section via an edit command displaying section.