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1. 发明授权

US07995726B2 System and method for monitoring incoming communications to a telecommunications device 有权
标题翻译：用于监视到电信设备的进入通信的系统和方法
公开(公告)号：US07995726B2
公开(公告)日：2011-08-09
申请号：US11693697
申请日：2007-03-29
申请人： James C. Bedingfield
发明人： James C. Bedingfield
IPC分类号： H04M1/56 , H04L12/56 , H04L12/64
CPC分类号： H04Q3/0045 , H04M1/57 , H04M1/575 , H04M3/42042 , H04M3/42068 , H04M3/4228 , H04M3/64 , H04M7/006 , H04M2201/38 , H04M2242/22 , H04Q2213/13039 , H04Q2213/13091 , H04Q2213/13092 , H04Q2213/13093 , H04Q2213/13103 , H04Q2213/1315 , H04Q2213/13166 , H04Q2213/13175 , H04Q2213/13204 , H04Q2213/13298 , H04Q2213/13345 , H04Q2213/13389
摘要： A system for notifying an Internet-accessible device of a communication placed from a first telecommunications device to a second telecommunications device by a calling party is disclosed. The system includes a switch and a node in communication with the switch. The switch is for detecting the communication. The node is configured for communication with the Internet-accessible device and includes a first module and a second module. The first module is for determining information about the calling party. The second module is for determining information about the Internet-accessible device.
摘要翻译：公开了一种用于向因特网可访问设备通知由主叫方从第一电信设备发送到第二电信设备的通信的系统。该系统包括与交换机通信的交换机和节点。该开关用于检测通讯。该节点被配置为与互联网可访问设备进行通信，并且包括第一模块和第二模块。第一个模块用于确定有关呼叫方的信息。第二个模块用于确定有关可上网的设备的信息。

2. 发明授权

US07634072B2 Integrated instant messaging, routing and telephone services billing system 有权
标题翻译：集成即时通讯，路由和电话业务计费系统
公开(公告)号：US07634072B2
公开(公告)日：2009-12-15
申请号：US11056212
申请日：2005-02-10
申请人： Madhu Yarlagadda , Warren Wan
发明人： Madhu Yarlagadda , Warren Wan
IPC分类号： H04M1/56 , H04M15/06 , H04M1/64
CPC分类号： H04M3/42263 , H04L29/06027 , H04L51/04 , H04L51/066 , H04L51/14 , H04L65/1069 , H04L2012/6443 , H04M3/2218 , H04M3/42374 , H04M3/4931 , H04M7/0024 , H04M7/0045 , H04M7/1205 , H04M15/41 , H04M15/43 , H04M2203/4536 , H04M2203/651 , H04M2215/0164 , H04M2215/2026 , H04M2215/32 , H04Q3/0045 , H04Q3/76 , H04Q2213/13034 , H04Q2213/1307 , H04Q2213/13097 , H04Q2213/13103 , H04Q2213/13141 , H04Q2213/1315 , H04Q2213/13173 , H04Q2213/1318 , H04Q2213/13282 , H04Q2213/13335 , H04Q2213/13336 , H04Q2213/13389 , H04W4/12 , H04W4/24 , H04W8/18 , H04W8/26 , H04W40/02 , H04W40/18 , H04W80/00
摘要： Techniques for using billing services to manage a personal address book are provided. The techniques comprise receiving a call detail record (CDR) for a plain old telephone system (POTS) or a voice-over-IP (VOIP) call by a user. The CDR is created by a telecommunication carrier that routed the call. The CDR may be stored on a telecommunications server associated with the telecommunications carrier. Address information for the call is determined from the CDR. This address information is added to the personal address book for the user. This address information may be available for the user when using an IM client.
摘要翻译：提供了使用计费服务来管理个人通讯录的技术。这些技术包括接收用户的普通老式电话系统（POTS）或IP语音（VOIP）呼叫的呼叫详细记录（CDR）。 CDR由通过呼叫路由的电信运营商创建。 CDR可以存储在与电信运营商相关联的电信服务器上。呼叫的地址信息由CDR确定。该地址信息被添加到用户的个人通讯录中。使用IM客户端时，该地址信息可能对用户可用。

3. 发明授权

US07248855B2 Convergent communications system and method with a rule set for authorizing, debiting, settling and recharging a mobile commerce account 有权
标题翻译：融合通信系统和方法，具有用于授权，借记，结算和充电移动商务帐户的规则集
公开(公告)号：US07248855B2
公开(公告)日：2007-07-24
申请号：US10096912
申请日：2002-03-14
申请人： Simon James Joyce , Murali Goparaju , Sundaram Mohan Kumar , Radhakrishnan Subhashree , Michel Heitstuman
发明人： Simon James Joyce , Murali Goparaju , Sundaram Mohan Kumar , Radhakrishnan Subhashree , Michel Heitstuman
IPC分类号： H04M11/00
CPC分类号： G06Q20/00 , G06Q20/32 , G06Q20/322 , G06Q20/363 , G06Q20/40 , G06Q20/403 , G06Q30/0601 , G06Q40/12 , G07F7/0866 , H04M15/00 , H04M15/68 , H04M15/8038 , H04M15/854 , H04M17/00 , H04M2215/0196 , H04M2215/32 , H04M2215/34 , H04M2215/7442 , H04M2215/8166 , H04Q3/0029 , H04Q2213/13003 , H04Q2213/1305 , H04Q2213/13093 , H04Q2213/13095 , H04Q2213/13098 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/13109 , H04Q2213/1313 , H04Q2213/13134 , H04Q2213/1315 , H04Q2213/13152 , H04Q2213/13176 , H04Q2213/13204 , H04Q2213/1322 , H04Q2213/1324 , H04Q2213/13274 , H04Q2213/13282 , H04Q2213/1332 , H04Q2213/13331 , H04Q2213/1334 , H04Q2213/13345 , H04Q2213/13349 , H04Q2213/13372 , H04Q2213/13377 , H04Q2213/13389 , H04Q2213/13405 , H04W12/12
摘要： A rule set is used to determine at least one rule for authorizing a transaction debiting an account of an authorized user. Subsequently, the account is debited, according to the at least one rule, in real time if the transaction is authorized. The real time debit is settled with transaction providers in accordance with at least one settlement rule. If it is determined that the authorized user does not have sufficient funds in an authorized user account to debit for the transaction, the authorized user account may be recharged by a recharge routine that includes determining a recharge user account to transfer funds from and authorizing the transfer by at least one of referring to a pre-authorized transfer and requesting authorization from the authorized user. The transaction may be requested and the transaction providers may be connected via heterogeneous networks.
摘要翻译：规则集用于确定至少一个规则，用于授权交易授权用户的帐户。随后，根据至少一个规则，如果交易被授权，该帐户被实时借记。交易提供者根据至少一个结算规则解决实时借记。如果确定授权用户在授权用户帐户中没有足够的资金来为交易借记，则授权用户账户可以由充值例行程序重新计费，该充值例行程序包括确定充值用户帐户以从转账中转账和授权转账通过至少一个参考预授权的传送和从授权的用户请求授权。可以请求该事务，并且交易提供者可以通过异构网络连接。

4. 发明申请

US20060159247A1 Method for signaling a connection set-up emanating from a calling terminal via a communications network to a called terminal 审中-公开
标题翻译：用于将通过通信网络从主叫终端发送到被叫终端的连接建立信令的方法
公开(公告)号：US20060159247A1
公开(公告)日：2006-07-20
申请号：US11322593
申请日：2006-01-03
申请人： Bernhard Krembs
发明人： Bernhard Krembs
IPC分类号： H04M3/42
CPC分类号： H04M3/428 , H04M3/38 , H04M2207/08 , H04Q3/0025 , H04Q2213/1315 , H04Q2213/13173 , H04Q2213/13176 , H04Q2213/13342
摘要： A method for signaling connection setup emanating from a calling terminal (TLNA) via a communications network to a called terminal (TLNB), where at least one access connection routed to the called terminal is busy, characterized in that, if there is no authorization for such singaling for the relevant called terminal (TLNB), signaling which indicates said connection setup is prompted for the called terminal (TLNB) in the case of the calling terminal (TLNA) or is initiated by the originating exchange (VSTA) in the communications network, in that this originating exchange (VSTA) stores appropriate signaling authorization for the relevant calling terminal (TLNA), and in that the calling terminal (TLNA) or the originating exchange (VSTA) has received a message indicating the busy condition of the at least one access connection routed to the called terminal (TLNB).
摘要翻译：一种用于将通过通信网络从呼叫终端（TLNA）发送到被叫终端（TLNB）的信令连接建立的方法，其中路由到被叫终端的至少一个接入连接繁忙，其特征在于，如果没有授权在主叫终端（TLNA）的情况下，由相关的被叫终端（TLNB）进行这样的发声，指示所述连接建立的信令被提示给被叫终端（TLNB），或由通信网络中的始发交换机（VSTA）发起因为这个始发交换机（VSTA）存储适用于相关主叫终端（TLNA）的信令授权，并且主叫终端（TLNA）或始发交换机（VSTA）已经接收到指示至少一个接入连接路由到被叫终端（TLNB）。

5. 发明授权

US06748070B2 Method for allocating network resources 失效
公开(公告)号：US06748070B2
公开(公告)日：2004-06-08
申请号：US10179647
申请日：2002-06-24
申请人： Charles Robert Kalmanek, Jr. , William Todd Marshall , Partho Pratim Mishra , Douglas M Nortz , Kadangode K Ramakrishnan
发明人： Charles Robert Kalmanek, Jr. , William Todd Marshall , Partho Pratim Mishra , Douglas M Nortz , Kadangode K Ramakrishnan
IPC分类号： H04M700
CPC分类号： H04M7/1275 , H04L29/06 , H04L29/06027 , H04L29/12009 , H04L29/12367 , H04L29/12377 , H04L29/12433 , H04L29/125 , H04L47/70 , H04L47/724 , H04L47/803 , H04L47/805 , H04L47/806 , H04L61/2514 , H04L61/2517 , H04L61/2539 , H04L61/2564 , H04L63/0428 , H04L63/08 , H04L65/1009 , H04L65/103 , H04L65/104 , H04L65/1043 , H04L65/1069 , H04L65/602 , H04L65/605 , H04L65/607 , H04L65/608 , H04L65/80 , H04L67/14 , H04L69/329 , H04Q3/0025 , H04Q3/0045 , H04Q3/72 , H04Q2213/1307 , H04Q2213/13091 , H04Q2213/13095 , H04Q2213/13097 , H04Q2213/13102 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/13109 , H04Q2213/13145 , H04Q2213/1315 , H04Q2213/13176 , H04Q2213/13196 , H04Q2213/13204 , H04Q2213/1324 , H04Q2213/1328 , H04Q2213/1329 , H04Q2213/13298 , H04Q2213/13339 , H04Q2213/13348 , H04Q2213/13389 , H04Q2213/13405
摘要： Network resources for a call between a calling party and a called party are allocated. The network resources for the call are reserved based on a reservation request. The network resources are reserved before any one network resource from the reserved network resources is committed. The reserved network resources for the call are committed when a called party indicates acceptance for the call.

6. 发明授权

US06694429B1 Method for establishing call state information without maintaining state information at gate controllers 有权
标题翻译：用于建立呼叫状态信息而不在门控制器处保持状态信息的方法
公开(公告)号：US06694429B1
公开(公告)日：2004-02-17
申请号：US09366210
申请日：1999-08-04
申请人： Charles Robert Kalmanek, Jr. , William Todd Marshall , Partho Pratim Mishra , Douglas M Nortz , Kadangode K. Ramakrishnan
发明人： Charles Robert Kalmanek, Jr. , William Todd Marshall , Partho Pratim Mishra , Douglas M Nortz , Kadangode K. Ramakrishnan
IPC分类号： H04L900
CPC分类号： H04L65/1043 , H04L29/06 , H04L29/06027 , H04L29/12377 , H04L61/2517 , H04L63/0428 , H04L65/1009 , H04L65/103 , H04L65/104 , H04L65/1069 , H04L65/602 , H04L65/607 , H04L65/608 , H04L65/80 , H04L67/14 , H04L69/329 , H04M7/1275 , H04Q3/0025 , H04Q3/0045 , H04Q3/72 , H04Q2213/1307 , H04Q2213/13091 , H04Q2213/13095 , H04Q2213/13097 , H04Q2213/13102 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/13109 , H04Q2213/13145 , H04Q2213/1315 , H04Q2213/13176 , H04Q2213/13196 , H04Q2213/13204 , H04Q2213/1324 , H04Q2213/1328 , H04Q2213/1329 , H04Q2213/13298 , H04Q2213/13339 , H04Q2213/13348 , H04Q2213/13389 , H04Q2213/13405
摘要： State information for a call between a calling party and a called party is established without maintaining the state information at a gate controller. A setup request for the call is received at an originating gate controller. The originating gate controller is connected to a trusted network. The calling party is associated with an originating interface unit coupled to an untrusted network. The setup request for the call is authorized. The authorized setup request is sent to the called party. State information for the call is formatted based on a setup acknowledgment message received from the calling party. The state information for the call is sent from the originating gate controller to the originating interface unit without maintaining the state information at the originating gate controller.
摘要翻译：建立呼叫方和被叫方之间的呼叫的状态信息，而不在门控制器处保持状态信息。在起始门控制器处接收到呼叫的设置请求。始发门控制器连接到可信网络。呼叫方与耦合到不可信网络的始发接口单元相关联。呼叫的设置请求被授权。授权的设置请求被发送到被叫方。根据从主叫方接收到的设置确认消息，格式化呼叫的状态信息。呼叫的状态信息从起始门控制器发送到始发接口单元，而不保持始发门控制器处的状态信息。

7. 发明授权

US06633631B2 Digital key telephone system and extension terminal device thereof 有权
标题翻译：数字电话系统及其分机终端装置
公开(公告)号：US06633631B2
公开(公告)日：2003-10-14
申请号：US09870452
申请日：2001-06-01
申请人： Toshiaki Tanaka , Hiroshi Mano , Setsuo Kimura , Yoshihito Nagano , Masayuki Tsurusaki , Takashi Watanabe , Terunori Suwa , Isaku Komuro , Yoshihiro Kawauchi , Nobuhiro Masaki
发明人： Toshiaki Tanaka , Hiroshi Mano , Setsuo Kimura , Yoshihito Nagano , Masayuki Tsurusaki , Takashi Watanabe , Terunori Suwa , Isaku Komuro , Yoshihiro Kawauchi , Nobuhiro Masaki
IPC分类号： H04M124
CPC分类号： H04Q3/625 , H04M1/57 , H04M3/22 , H04M3/26 , H04M3/42 , H04M3/42059 , H04M3/42127 , H04M3/42195 , H04M3/42314 , H04M3/42323 , H04M3/428 , H04M3/4283 , H04M3/533 , H04M3/58 , H04M9/00 , H04M9/002 , H04M2201/38 , H04M2207/08 , H04M2242/22 , H04Q1/028 , H04Q1/10 , H04Q3/545 , H04Q3/58 , H04Q11/0407 , H04Q2201/10 , H04Q2201/806 , H04Q2213/13003 , H04Q2213/13034 , H04Q2213/13036 , H04Q2213/13076 , H04Q2213/1308 , H04Q2213/13091 , H04Q2213/13093 , H04Q2213/13096 , H04Q2213/13097 , H04Q2213/13102 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/1315 , H04Q2213/13152 , H04Q2213/1316 , H04Q2213/13162 , H04Q2213/13173 , H04Q2213/13174 , H04Q2213/13175 , H04Q2213/1318 , H04Q2213/13196 , H04Q2213/13199 , H04Q2213/13201 , H04Q2213/13203 , H04Q2213/13204 , H04Q2213/13209 , H04Q2213/13213 , H04Q2213/13216 , H04Q2213/1322 , H04Q2213/13242 , H04Q2213/13251 , H04Q2213/1326 , H04Q2213/13282 , H04Q2213/13292 , H04Q2213/13299 , H04Q2213/13302 , H04Q2213/13305 , H04Q2213/1332 , H04Q2213/13322 , H04Q2213/13334 , H04Q2213/1334 , H04Q2213/13362 , H04Q2213/13377 , H04Q2213/13392 , H04Q2213/13405
摘要： According to this invention, a digital key telephone system connected to an analog public network NW having a function of transmitting a ringing signal including identification information of a calling line through a subscriber line (CO line), accommodating a plurality of extension lines each connected to a digital key telephone (DKT) 2 or a standard telephone (STT) 4 as an extension terminal, and having a function of switching and connecting the subscriber line to the plurality of extension lines or the extension lines to each other includes a called party storage means storing, in advance, information representing the correlation between the calling line and the extension terminals 2 and 4 as a called terminal. When a ringing signal arrives from the analog communication network NW, calling line identification information (caller ID) contained in the ringing signal is detected by a calling line identification information interface unit (RCIU) 12. A control unit (RCTU) 16 determines the called extension terminal on the basis of the detected caller ID and the information stored in the storage means, so the extension terminal receives the call from the digital key telephone interface unit (RDKU) 13 or a standard telephone interface unit (RSTU) 15.
摘要翻译：根据本发明，一种连接到具有通过用户线（CO线）发送包括呼叫线路的识别信息的振铃信号的功能的模拟公网NW的数字电话系统，其容纳多条延长线，每条延长线连接到作为分机终端的数字电话（DKT） 2 或标准电话（STT） 4 将用户线路与多个分机线路或分机线路交换和连接的功能彼此包括：被叫方存储装置预先存储表示主叫线路与分机终端之间的相关性的信息， 2 和 4 作为被叫终端。当振铃信号从模拟通信网络NW到达时，由呼叫线路识别信息接口单元（RCIU） 12检测振铃信号中包含的呼叫线路识别信息（呼叫者ID）。根据检测到的呼叫者ID和存储在存储装置中的信息，控制单元（RCTU） 16 确定被叫分机终端，因此分机终端从数字电话接口单元（RDKU） 13 或标准电话接口单元（RSTU） 15接收呼叫。

8. 发明申请

US20020085696A1 Methods and apparatus for call service processing 有权
标题翻译：呼叫服务处理方法及装置
公开(公告)号：US20020085696A1
公开(公告)日：2002-07-04
申请号：US09823940
申请日：2001-03-30
发明人： Robert Martin , Jared Dubin , Jeff Williamson , Cathy Tio
IPC分类号： H04M003/42
CPC分类号： H04M3/42 , H04L2012/5618 , H04L2012/563 , H04M3/42127 , H04M3/42153 , H04M3/4217 , H04M3/4228 , H04M3/428 , H04M3/48 , H04M3/56 , H04M7/006 , H04M7/126 , H04M7/129 , H04M2201/54 , H04M2207/203 , H04Q3/0041 , H04Q3/0045 , H04Q3/0054 , H04Q2213/13003 , H04Q2213/1305 , H04Q2213/13091 , H04Q2213/13097 , H04Q2213/13102 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/1313 , H04Q2213/1315 , H04Q2213/13156 , H04Q2213/13175 , H04Q2213/13176 , H04Q2213/13204 , H04Q2213/1324 , H04Q2213/1329 , H04Q2213/13298 , H04Q2213/13345 , H04Q2213/13389 , H04Q2213/13405 , H04Q2213/13512
摘要： Improved methods and apparatus for telecommunications call service and call feature processing utilize a compiled representation of a textual description in a mark-up language of operations describing a telecommunication service is generated. Objects, hereinafter referred to as context objects, access this compiled representation, in response to events occurring with respect to a telecommunication service in order to effect the execution of the operations.
摘要翻译：用于电话呼叫服务和呼叫特征处理的改进的方法和装置利用描述电信服务的操作的标记语言的文本描述的编译表示。以下称为上下文对象的对象响应于相对于电信服务发生的事件而访问该编译表示，以便实现操作的执行。

9. 发明申请

US20020064267A1 Telecommunications portal capable of interpreting messages from an external device 失效
标题翻译：电信门户能够解释来自外部设备的消息
公开(公告)号：US20020064267A1
公开(公告)日：2002-05-30
申请号：US09823938
申请日：2001-03-30
发明人： Robert Martin , Cathy Tio
IPC分类号： H04M003/42
CPC分类号： H04M3/42 , H04L2012/5618 , H04L2012/563 , H04M3/42127 , H04M3/42153 , H04M3/4217 , H04M3/4228 , H04M3/428 , H04M3/48 , H04M3/56 , H04M7/006 , H04M7/126 , H04M7/129 , H04M2201/54 , H04M2207/203 , H04Q3/0041 , H04Q3/0045 , H04Q3/0054 , H04Q2213/13003 , H04Q2213/1305 , H04Q2213/13091 , H04Q2213/13097 , H04Q2213/13102 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/1313 , H04Q2213/1315 , H04Q2213/13156 , H04Q2213/13175 , H04Q2213/13176 , H04Q2213/13204 , H04Q2213/1324 , H04Q2213/1329 , H04Q2213/13298 , H04Q2213/13345 , H04Q2213/13389 , H04Q2213/13405 , H04Q2213/13512
摘要： The present invention relates to methods and system for providing telecommunications services, such as call waiting, three-way call, and automatic recall, utilizing a plurality of state machines. Logic specifications define a set of states for each state machine. Each state in turn defines at least one action to be performed in response to a signal received by the state machine. The logic specification for each state machine can be stored, for example, in a textual format in a mark up language, such as HTML, XML, or or other markup language. A compiled representation of the logic specification is generated. Further, a context object tracks a current state of the telecommunication service. The context object accesses the compiled representation in response to an event, e.g., a call progress event, in order to effect a state transition and/or perform an action with respect to the telecommunication service.
摘要翻译：本发明涉及利用多台状态机提供诸如呼叫等待，三方通话和自动召回的电信业务的方法和系统。逻辑规范定义了每个状态机的一组状态。每个状态依次定义响应于状态机接收到的信号而执行的至少一个动作。每个状态机的逻辑规范可以例如以标记语言（例如HTML，XML或其他标记语言）的文本格式存储。生成逻辑规范的编译表示。此外，上下文对象跟踪电信业务的当前状态。响应于事件（例如，呼叫进行事件），上下文对象访问编译的表示，以便实现关于电信服务的状态转换和/或执行动作。

10. 发明授权

US06373924B2 Digital key telephone system and extension terminal device thereof 有权
公开(公告)号：US06373924B2
公开(公告)日：2002-04-16
申请号：US09870682
申请日：2001-06-01
申请人： Toshiaki Tanaka , Hiroshi Mano , Setsuo Kimura , Yoshihito Nagano , Masayuki Tsurusaki , Takashi Watanabe , Terunori Suwa , Isaku Komuro , Yoshihiro Kawauchi , Nobuhiro Masaki
发明人： Toshiaki Tanaka , Hiroshi Mano , Setsuo Kimura , Yoshihito Nagano , Masayuki Tsurusaki , Takashi Watanabe , Terunori Suwa , Isaku Komuro , Yoshihiro Kawauchi , Nobuhiro Masaki
IPC分类号： H04M124
CPC分类号： H04Q3/625 , H04M1/57 , H04M3/22 , H04M3/26 , H04M3/42 , H04M3/42059 , H04M3/42127 , H04M3/42195 , H04M3/42314 , H04M3/42323 , H04M3/428 , H04M3/4283 , H04M3/533 , H04M3/58 , H04M9/00 , H04M9/002 , H04M2201/38 , H04M2207/08 , H04M2242/22 , H04Q1/028 , H04Q1/10 , H04Q3/545 , H04Q3/58 , H04Q11/0407 , H04Q2201/10 , H04Q2201/806 , H04Q2213/13003 , H04Q2213/13034 , H04Q2213/13036 , H04Q2213/13076 , H04Q2213/1308 , H04Q2213/13091 , H04Q2213/13093 , H04Q2213/13096 , H04Q2213/13097 , H04Q2213/13102 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/1315 , H04Q2213/13152 , H04Q2213/1316 , H04Q2213/13162 , H04Q2213/13173 , H04Q2213/13174 , H04Q2213/13175 , H04Q2213/1318 , H04Q2213/13196 , H04Q2213/13199 , H04Q2213/13201 , H04Q2213/13203 , H04Q2213/13204 , H04Q2213/13209 , H04Q2213/13213 , H04Q2213/13216 , H04Q2213/1322 , H04Q2213/13242 , H04Q2213/13251 , H04Q2213/1326 , H04Q2213/13282 , H04Q2213/13292 , H04Q2213/13299 , H04Q2213/13302 , H04Q2213/13305 , H04Q2213/1332 , H04Q2213/13322 , H04Q2213/13334 , H04Q2213/1334 , H04Q2213/13362 , H04Q2213/13377 , H04Q2213/13392 , H04Q2213/13405
摘要： According to this invention, a digital key telephone system connected to an analog public network NW having a function of transmitting a ringing signal including identification information of a calling line through a subscriber line (CO line), accommodating a plurality of extension lines each connected to a digital key telephone (DKT) 2 or a standard telephone (STT) 4 as an extension terminal, and having a function of switching and connecting the subscriber line to the plurality of extension lines or the extension lines to each other includes a called party storage means storing, in advance, information representing the correlation between the calling line and the extension terminals 2 and 4 as a called terminal. When a ringing signal arrives from the analog communication network NW, calling line identification information (caller ID) contained in the ringing signal is detected by a calling line identification information interface unit (RCIU) 12. A control unit (RCTU) 16 determines the called extension terminal on the basis of the detected caller ID and the information stored in the storage means, so the extension terminal receives the call from the digital key telephone interface unit (RDKU) 13 or a standard telephone interface unit (RSTU) 15.

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