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对比文件列表
1994-10-21_None_发明专利_JPH06296202A Communication method applied between multi-media communications equipment_+++L_O_P_R_S_T_U_V_W+++.docx
2026-03-24 23:33
1999-11-25_WO1999060738A_发明申请_WO99060738A1 SYSTEM AND METHOD FOR PROVIDING AN ENHANCED AUDIO QUALITY TELECOMMUNICATION SESSION_+++B_C_H_I_P_a_f_k_l_m_n_o_s+++.docx
2026-03-24 23:33
2000-03-02_WO2000011892A_发明申请_WO00011892A1 METHOD AND APPARATUS FOR INBAND SIGNALING CONTROL OF VOCODER BYPASS_+++A_F_H_K_L_M_N_O_P_Q_d_i_j+++.docx
2026-03-24 23:33
2000-05-30_US6070089A_发明授权_US6070089A Method and apparatus for control of vocoder bypass utilizing inband signaling_+++D_J_N_P_Q_a_f_h_i_m_o_r_s+++.docx
2026-03-24 23:33
2000-07-18_US6091969A_发明授权_US6091969A Method and apparatus for inband signaling control of vocoder bypass_+++D_L_Q_a_f_h_i_j_k_m_n_o_p+++.docx
2026-03-24 23:33
2000-08-22_JP2000232409A_发明专利_JP2000232409A Transmission system and its operating method_+++A_H_I_M_f_k_n_o_p+++.docx
2026-03-24 23:33
2001-06-13_EP1106021A_发明公开_EP1106021A1 METHOD AND APPARATUS FOR INBAND SIGNALING CONTROL OF VOCODER BYPASS_+++A_D_F_H_M_N_O_P_Q_i+++.docx
2026-03-24 23:33
2001-08-31_JP2001238256A_发明专利_JP2001238256A Variable speed coding system_+++A_D_N_O_P_Q_f_l_m_r_s+++.docx
2026-03-24 23:33
2001-10-25_US2001033325A_发明申请_US20010033325A1 Communication apparatus and method of operating communication apparatus_+++T_U_V_W_d_o_p_q_r_s+++.docx
2026-03-24 23:33
2002-03-05_US6353666B_发明授权_US06353666B1 System and method for providing an enhanced audio quality telecommunication session_+++A_H_I_M_N_O_P_S_d_f_j_k_l_q_r+++.docx
2026-03-24 23:33
2002-07-24_CN1360780A_发明公开_CN1360780A 用于在多媒体网络节点之间交换信息的方法和系统_+++D_F_N_O_P_Q_a_h_i_k_m+++.docx
2026-03-24 23:33
2002-07-30_JP2002523993A_发明专利_JP2002523993A A method and apparatus for in-band signaling control of vocoder bypass_+++P_a_f_h_i_k_m_n_o+++.docx
2026-03-24 23:33
2002-08-30_JP2002247137A_发明专利_JP2002247137A Communication apparatus and communication method_+++a_d_f_h_i_m_n_o_p_q_r_s+++.docx
2026-03-24 23:33
2003-02-13_US2003031200A_发明申请_US20030031200A1 Negotiation of used communication mode in a telecommunications system_+++D_H_I_Q_a_e_f_j_k_l_m_n_o_p+++.docx
2026-03-24 23:33
2003-04-03_US2003063569A_发明申请_US20030063569A1 Selecting an operational mode of a codec_+++D_O_Q_a_l_m_n_p+++.docx
2026-03-24 23:33
2003-11-06_WO2003092312A_发明申请_WO2003092312A1 BYPASSING TRANSCODING OPERATIONS IN A COMMUNICATION NETWORK_+++D_I_P_Q_e_h_j_k_l_m_n_o+++.docx
2026-03-24 23:33
2003-11-13_US2003210659A_发明申请_US20030210659A1 TFO communication apparatus with codec mismatch resolution and_or optimization logic_+++A_H_I_L_M_N_P_T_W_d_f_k_o_q_u_v+++.docx
2026-03-24 23:33
2004-04-07_EP1406461A_发明公开_EP1406461A1 Automatic vocoder selection in digital mobile radios_+++D_L_O_P_Q_R_S_f_n+++.docx
2026-03-24 23:33
2005-01-19_EP1498000A_发明公开_EP1498000A1 BYPASSING TRANSCODING OPERATIONS IN A COMMUNICATION NETWORK_+++A_D_F_H_I_L_M_N_O_P_Q_j_k+++.docx
2026-03-24 23:33
2005-02-24_JP2005505994A_发明专利_JP2005505994A Setting of communication mode_+++D_N_Q_S_a_f_h_i_l_m_o_p+++.docx
2026-03-24 23:33
2005-08-31_CN1663306A_发明公开_CN1663306A 绕过通信网络中的码变换操作_+++A_D_F_H_I_M_N_O_P_Q_j_k_r_s+++.docx
2026-03-24 23:33
2005-10-20_US2005232232A_发明申请_US20050232232A1 Bypassing transcoding operations in a communication network_+++A_D_F_H_I_M_N_O_P_Q_R_S_j_k+++.docx
2026-03-24 23:33
2006-04-12_EP1646251A_发明公开_EP1646251A1 Method for inband signaling control of vocoder bypass_+++D_F_H_I_K_L_N_O_P_Q_a_j_m+++.docx
2026-03-24 23:33
2006-06-22_WO2006063622A_发明申请_WO2006063622A1 METHOD AND APPARATUS FOR OPTIMISING THE SENDING OF TONES_ANNOUNCEMENTS DURING TANDEM-FREE OPERATION (TFO)_+++a_e_h_i_j_k_m_o_p+++.docx
2026-03-24 23:34
2007-05-02_EP1106021B_发明授权_EP1106021B1 METHOD AND APPARATUS FOR INBAND SIGNALING CONTROL OF VOCODER BYPASS_+++D_H_N_P_Q_i_j_k_l_m_o+++.docx
2026-03-24 23:34
2007-06-13_EP1498000B_发明授权_EP1498000B1 BYPASSING TRANSCODING OPERATIONS IN A COMMUNICATION NETWORK_+++D_F_H_I_K_N_O_P_Q_j+++.docx
2026-03-24 23:34
2007-09-06_US2007206505A_发明申请_US20070206505A1 Adjusting CODEC parameters during emergency calls_+++D_F_L_N_O_P_S_T_U_W+++.docx
2026-03-24 23:34
2007-09-20_DE69935989T_发明专利_DE69935989T2 METHOD AND DEVICE FOR INTEGRATING SIGNALING CONTROL OF A LANGUAGE CODING ENVIRONMENT_+++A_D_F_H_K_M_O_P_Q_i_n_r_s+++.docx
2026-03-24 23:34
2007-12-16_ES2287462T_发明专利_ES2287462T3 ELUSION DE OPERACIONES DE TRANSCODIFICACION EN UNA RED DE COMUNICACION_+++A_D_F_H_I_L_M_N_O_P_Q_j_k+++.docx
2026-03-24 23:34
2008-02-14_DE60314397T_发明专利_DE60314397T2 Bridging transcoding operations in a communication network_+++A_D_F_H_I_L_M_N_P_Q_j_k_o_r_s+++.docx
2026-03-24 23:34
2008-07-24_WO2008086823A_发明申请_WO2008086823A1 TECHNIQUE FOR CONTROLLING ESTABLISHMENT OF A TANDEM-FREE TRANSCODER OPERATION_+++P_l_n_o_q+++.docx
2026-03-24 23:34
2009-02-26_DE69938049T_发明专利_DE69938049T2 METHOD AND DEVICE FOR CHECKING A LANGUAGE CODING BY INBAND SIGNALING_+++A_D_H_I_K_L_M_N_O_P_Q_f_j+++.docx
2026-03-24 23:34
2009-09-17_US2009233608A_发明申请_US20090233608A1 Method and Apparatus for Optimising the Sending of Tones_Announcements During Tandem-Free Operation (TFO)_+++A_F_H_I_M_N_P_b_j_k_o+++.docx
2026-03-24 23:34
2010-05-06_US2010110980A_发明申请_US20100110980A1 Technique for controlling establishment of a tandem-free transcoder operation_+++o_p+++.docx
2026-03-24 23:34
2010-10-14_WO2010117326A_发明申请_WO2010117326A1 METHOD AND ARRANGEMENT FOR SESSION NEGOTIATION_+++A_D_H_I_K_L_M_O_P_Q_e_f_j_n+++.docx
2026-03-24 23:34
2011-03-10_ES2354179T_发明专利_ES2354179T3 TECNICA PARA CONTROLAR EL ESTABLECIMIENTO DE UNA OPERACION DE TRANSCODIFICADOR SIN TANDEM_+++d_h_j_l_m_o_p_q+++.docx
2026-03-24 23:34
WO2007059201A2_Description_20260318_1909_+++d_p_q+++.docx
2026-03-24 23:34
2009-09-17_US2009233608A_发明申请_US20090233608A1 Method and Apparatus for Optimising the Sending of Tones_Announcements During Tandem-Free Operation (TFO)_+++A_F_H_I_M_N_P_b_j_k_o+++.docx

对比文件名称:2009-09-17_US2009233608A_发明申请_US20090233608A1 Method and Apparatus for Optimising the Sending of Tones_Announcements During Tandem-Free Operation (TFO)

目标专利名称:331使用带内信号的应用通知和服务选择CN103931269B

本次调用的模型名称:DeepSeek最新版本模型

特征比对表格

技术特征描述及公开性判断结果对比文件原文引用公开性论述
技术特征A:所述方法包括:确定所述第一站点能够在语音呼叫期间使用带内信令与所述第二站点交换控制信号。《直接公开》[0005] ... TFO uses the principle that a number of least significant bits of PCM speech samples of the network coded data can be “stolen” to provide an in-band channel for transporting the radio interface coded (AMR or EFR) data. Stolen bits (one every 16th speech sample) also provide a channel for transporting signalling information associated with TFO, e.g. for the purpose of negotiating TFO operation between TFO partners. <br> [0006] TFO operation must be negotiated by TFO partners (TRAUs and TCs). ... The TFO partners must establish that the call is mobile-to-mobile and that both mobile terminals are utilising the same codec. ... The TFO negotiation must ensure that these are transparent to the TFO messages and frames. <br> [0007] ... Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages. If the codec types and configurations are compatible the TFO connection will be established.对比文件公开了TFO(免汇接操作)方案,其核心是利用窃取PCM样本的最低有效位来提供带内信道(in-band channel),用于传输与TFO相关的信令信息(signalling information associated with TFO),例如在TFO伙伴(TFO partners)之间协商TFO操作。TFO操作必须由TFO伙伴(如TRAU、TC等网络设备)通过交换TFO_REQ和TFO_ACK消息来协商建立。该过程发生在呼叫建立后,目的正是确定双方能够使用该带内信道交换控制信息(协商编解码器类型和配置)。因此,本领域技术人员能够毫无疑义地确定,对比文件公开了在语音呼叫期间,通过带内信道(信令)进行控制信号(TFO协商消息)交换的能力确定过程。
技术特征B:其中确定所述第一站点能够使用带内信令与所述第二站点交换控制信号包括在所述第一站点处通过向语音包施加水印来确定所述第二站点能够使用带内信令与所述第一站点交换控制信号。《隐含公开》[0005] ... TFO uses the principle that a number of least significant bits of PCM speech samples of the network coded data can be “stolen” to provide an in-band channel for transporting the radio interface coded (AMR or EFR) data. Stolen bits (one every 16th speech sample) also provide a channel for transporting signalling information associated with TFO, e.g. for the purpose of negotiating TFO operation between TFO partners. <br> [0007] ... The Initial TFO protocol negotiation then starts between the TFO partners, with TFO messages being inserted in the LSBs of the PCM stream data bytes. First up to three TFO_FILL messages are sent to pre-synchronize potential IPEs into a transparent mode for TFO_Messages. Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages.对比文件公开了通过窃取PCM语音样本的最低有效位(LSBs)形成带内信道,并将TFO消息(如TFO_FILL, TFO_REQ等)插入到PCM流数据字节的LSBs中。这些TFO消息是嵌入到语音数据流(PCM流)中的特殊信号,用于协商和建立TFO连接。虽然对比文件未明确使用“水印(watermark)”一词,但本领域技术人员能够理解,将特定的、用于探测和协商的控制信息(TFO消息)嵌入到传输的语音数据(PCM流)中,并由接收方进行检测和解释,这实质上构成了“向语音包施加水印”的一种技术手段。因此,对比文件隐含公开了通过向语音数据施加特定信号(水印的实质)来确定对方能力的技术特征。
技术特征C:其中如果所述第二站点能够使用带内信令,则所述水印被所述第二站点解释为带内信号。《未公开》(未找到相应内容)技术特征C依赖于特征B中的“水印”概念。如上所述,对比文件隐含公开了施加信号(水印的实质)来确定能力。然而,特征C进一步限定了“水印被解释为带内信号”这一具体结果。对比文件虽然描述了TFO消息被接收方TFO伙伴接收和处理,但并未明确描述该信号(TFO消息)被接收方“解释为带内信号”这一具体认知过程。该特征更侧重于对信号性质和用途的界定。对比文件公开的是TFO消息用于协商,但未将其明确界定为“带内信号”这一类别。因此,该具体限定未被公开。
技术特征D:其中所述第一站点是移动站点。《未公开》[0002] ... speech data is efficiently encoded at each of the mobile terminals... <br> [0006] TFO operation must be negotiated by TFO partners (TRAUs and TCs). In the case of GSM, these would be located within the Base Station Subsystem (BSS) serving respective mobile terminals, or at Media Gateways located at core network interfaces.对比文件明确提及移动终端(mobile terminals)是语音数据的编码和解码端点。然而,进行TFO协商、确定能力并使用带内信令交换控制信号的实体是“TFO伙伴”,即网络基础设施中的设备,如基站子系统(BSS)内的TRAU或核心网接口处的媒体网关(Media Gateways)。目标专利权利要求中的“第一站点”明确限定为“移动站点”,这与对比文件中执行核心信令交换的网络设备不同。因此,对比文件未公开“第一站点是移动站点”这一特征。
技术特征E:使用带内信道在所述第一站点与所述第二站点之间交换控制信号,其中所述控制信号包括控制信息和数据,且其中所述数据包括来自所述第一站点或所述第二站点的至少一个传感器的数据。《未公开》[0005] ... Stolen bits ... also provide a channel for transporting signalling information associated with TFO, e.g. for the purpose of negotiating TFO operation between TFO partners. <br> [0007] ... Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages.对比文件公开了使用带内信道(窃取的比特)在TFO伙伴之间交换信令信息(控制信息),例如编解码器类型和配置。然而,对比文件完全没有提及交换任何“数据”,特别是来自“至少一个传感器(如近程、定向、心率监视器)”的数据。其交换的信息严格限于与TFO操作本身相关的网络控制信息。因此,对比文件未公开控制信号中包含来自传感器的数据这一特征。
技术特征F:使用所述控制信号经由所述带内信道在所述第一站点和所述第二站点之间交换装置信息,其中所述装置信息对所述基础设施透明。《直接公开》[0007] ... Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages. ... TFO partners can now begin sending TFO frames with compressed speech as payload in the LSBs of the PCM signal. <br> [0006] ... As there may be IPEs located in the network between the two TFO partners, the TFO negotiation must ensure that these are transparent to the TFO messages and frames.对比文件明确公开了TFO伙伴通过带内信道(PCM的LSBs)交换编解码器类型和配置信息(codec types and configurations)。编解码器类型是装置(设备)能力信息,属于“装置信息”的一种。同时,对比文件明确指出,由于网络中可能存在路径内设备(IPEs),TFO协商必须确保这些IPEs对TFO消息和帧是透明的(transparent)。这意味着TFO消息的交换对网络基础设施(IPEs是其一部分)是透明的,即基础设施无需理解或处理这些消息,只需让其通过。这与目标专利中“对基础设施透明”的作用相同。因此,该特征被直接公开。
技术特征G:其中所述至少一个传感器包括近程传感器、定向传感器和心率监视器中的一者。《未公开》(未找到相应内容)对比文件全文未提及任何传感器,更未具体提及近程传感器、定向传感器或心率监视器。因此,该特征未被公开。
技术特征H:其中在所述第一站点处确定所述第二站点是否能够使用带内信令与所述第一站点交换控制信号进一步包括使用带内信令发送探测信号。《直接公开》[0007] ... First up to three TFO_FILL messages are sent to pre-synchronize potential IPEs into a transparent mode for TFO_Messages. Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages.对比文件公开了TFO初始协商过程:首先发送最多三个TFO_FILL消息以使潜在的IPEs预同步到透明模式。TFO_FILL消息的作用是探测并使路径上的设备准备好,这可以视为一种探测信号。随后,通过交换TFO_REQ和TFO_ACK消息来协商能力。整个TFO协商过程就是使用带内信令(TFO消息)来确定对方是否能够支持TFO(即一种特定的带内信令交换)的过程。因此,“使用带内信令发送探测信号”这一步骤被直接公开。
技术特征I:其中在所述第一站点处确定所述第二站点是否能够使用带内信令与所述第一站点交换控制信号进一步包括将带内探测信号发射到所述第二站点,以及从所述第二站点接收带内确认信号。《直接公开》[0007] ... Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages.对比文件明确描述了TFO伙伴通过交换TFO_REQ和TFO_ACK消息来协商。TFO_REQ可视为携带能力信息的探测/请求信号,TFO_ACK可视为对请求的确认信号。这个过程包含了将带内请求/探测信号(TFO_REQ)发射到对方,以及从对方接收带内确认信号(TFO_ACK)。因此,该特征被直接公开。
技术特征J:其进一步包括周期性发射所述带内探测信号持续有限时间量。《隐含公开》[0007] First up to three TFO_FILL messages are sent... <br> [0048] The “Keep_Open_Indication” is defined as a continuous bit stream of one “0”-Bit in the LSB of every 160th PCM sample (every 20 ms)...对比文件公开了发送“最多三个(up to three)”TFO_FILL消息,这隐含了探测信号的发射是有限次的(即有限时间量)。此外,对比文件详细描述了“保持开放指示(Keep_Open_Indication)”是一个连续的比特流,每20毫秒(每第160个PCM样本)在LSB中放置一个“0”比特。这是一种周期性的信号发射,用于在TFO中断期间保持路径透明。虽然Keep_Open_Indication的主要目的不是探测,但其周期性发射的模式,结合TFO_FILL消息的有限次发射,使得本领域技术人员有可能推断出可以周期性发射带内探测信号持续有限时间量,以避免对传统用户造成持续影响或用于维持状态。因此,该特征被隐含公开。
技术特征K:其中所述第一站点能够产生、检测带内信号并对带内信号作出反应,所述带内信号经设计使得(a)所述带内探测信号不作为有效包的任一者由不能够使用带内信令与所述第一站交换信息的站点接收,以及(b)如果所述带内确认信号由所述第一站点接收,那么所述第一站点确定发射路径为转码免除的且所述第二站点能够使用带内信令与所述第一站点交换信息。《隐含公开》[0005] ... Stolen bits (one every 16th speech sample) also provide a channel for transporting signalling information associated with TFO... <br> [0007] ... If the codec types and configurations are compatible the TFO connection will be established. <br> [0040] ... When the local side is required to send a tone or an announcement towards the distant side, the local TFO partner suspends sending PCM+TFO frames and sends the tone/announcement data in the PCM stream instead. ... The distant TFO partner will immediately detect the loss of TFO_Frame synchronisation...(a) 对比文件的TFO信号是通过窃取PCM样本的LSB来传输的。对于不支持TFO的传统设备(或非TFO伙伴),这些被窃取的比特可能被视为 PCM 样本的一部分,但不会被解释为有效的TFO消息包。TFO消息的设计意图就是由TFO伙伴识别,传统设备会忽略这些比特或将其视为语音数据的一部分,这与(a)的作用一致。<br>(b) 在对比文件中,成功建立TFO连接的前提是端到端路径支持TFO帧的透明传输(即转码免除,TrFO/TFO模式)。接收并处理TFO_ACK确认信号,意味着双方编解码器兼容且路径透明,从而TFO连接得以建立。TFO连接的建立本身就隐含了发射路径是转码免除的(否则无法传输TFO帧),且对方是能够使用带内信令(TFO协议)的。因此,本领域技术人员可以从对比文件的TFO协商成功推导出(b)所述的结论。该特征被隐含公开。
技术特征L:其中所述控制信息和数据用于在不对基础设施作出改变的情况下进行以下操作中的至少一者:触发所述站点的一者上的应用程序、在所述站点的一者上产生系统声音、事件或通知,或选择新声码器类型。《部分公开》[0007] ... Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages. If the codec types and configurations are compatible the TFO connection will be established.对比文件公开了通过带内信令(TFO_REQ/TFO_ACK)交换的信息(控制信息)用于“选择”兼容的编解码器类型(即声码器类型),并且TFO操作本身不需要改变基础设施(IPEs保持透明)。因此,“选择新声码器类型”这一操作被直接公开。然而,对比文件完全没有提及“触发应用程序”、“产生系统声音、事件或通知”这些与应用层或用户接口相关的操作。因此,该特征仅部分公开了“选择新声码器类型”。
技术特征M:其进一步包括在所述第一站点处确定所述第二站点是否能够使用带内信令与所述第一站交换信息。《直接公开》[0006] TFO operation must be negotiated by TFO partners (TRAUs and TCs). ... The TFO partners must establish that the call is mobile-to-mobile and that both mobile terminals are utilising the same codec. <br> [0007] ... Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages. If the codec types and configurations are compatible the TFO connection will be established.对比文件的核心内容就是TFO伙伴之间通过TFO协议(使用带内信道)进行协商,以确定彼此是否能够使用TFO(一种特定的带内信令交换模式)进行通信。协商成功(建立TFO连接)即意味着确定对方能够使用带内信令交换信息。因此,该特征被直接公开。
技术特征N:其进一步包括:基于经由所述带内信道经由所述控制信号的所述带内信令接收的所述所交换的装置信息控制所述第一站点或所述第二站点的设置。《直接公开》[0007] ... If the codec types and configurations are compatible the TFO connection will be established. TFO partners can now begin sending TFO frames with compressed speech as payload in the LSBs of the PCM signal. ... After any IPEs became transparent, a TFO partner will begin receiving TFO frames from the peer TFO partner and will stop its own encoder and start to use the parameters of the compressed speech that it receives in the TFO_Frames rather than the PCM coded data.对比文件公开了在TFO协商成功后,TFO伙伴基于交换的编解码器类型和配置信息(装置信息),控制自身的操作设置:停止自身的编码器,转而使用从对等方接收到的TFO帧中的压缩语音参数。这直接体现了基于交换的装置信息来控制站点(此处为TFO伙伴)的设置(编码器操作模式)。因此,该特征被直接公开。
技术特征O:其中所述装置信息包括可行动信息。《隐含公开》[0007] ... Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages. If the codec types and configurations are compatible the TFO connection will be established.对比文件中交换的“编解码器类型和配置信息”是用于建立TFO连接的直接依据。接收方在收到此信息并确认兼容后,会采取行动(如切换到TFO模式)。根据目标专利说明书,可行动信息是指能触发动作的信息。因此,对比文件中用于触发TFO模式切换的编解码器信息,本领域技术人员可以合理地推断其属于“可行动信息”。该特征被隐含公开。
技术特征P:其中所述可行动信息包括用于在不对所述基础设施作出改变的情况下选择新声码器类型的控制信息和数据。《直接公开》[0007] ... Then the TFO protocol partners exchange information about their codec types and configurations by means of TFO_REQ and TFO_ACK messages. If the codec types and configurations are compatible the TFO connection will be established. <br> [0006] ... the TFO negotiation must ensure that these are transparent to the TFO messages and frames.对比文件明确公开了TFO伙伴通过带内信道交换编解码器(声码器)类型和配置信息(控制信息),并在兼容时建立TFO连接(即选择使用该编解码器类型进行通信)。同时,TFO协商确保对基础设施(IPEs)透明,即不需要对基础设施作出改变。因此,该特征被直接公开。
技术特征Q:其中所述第二站点为移动站点。《未公开》[0006] ... The TFO partners must establish that the call is mobile-to-mobile and that both mobile terminals are utilising the same codec.对比文件提到了移动终端(mobile terminals)是呼叫的端点。但如特征D所述,执行带内信令交换的“第二站点”在对比文件中对应的是与第一TFO伙伴对等的另一个TFO伙伴(网络设备),而非移动终端本身。因此,该特征未被公开。
技术特征R:其中所述第一站点为针对所述语音呼叫的终端站点。《未公开》(未找到相应内容)对比文件在描述TFO协商时,将双方称为“TFO partners”或“local/distant partner”,并未区分“发起站点(originating site)”和“终端站点(terminal site)”。这种区分在目标专利的探测流程中很重要,但对比文件的TFO协商是对等的过程。因此,该特征未被公开。
技术特征S:其中所述第一站点为针对所述语音呼叫的发起站点。《未公开》(未找到相应内容)理由同特征R。对比文件未区分发起站点和终端站点。因此,该特征未被公开。
技术特征T:其进一步包括:确定所述第二站点能够使用带外OOB接口与所述第一站点交换装置信息。《未公开》(未找到相应内容)对比文件全文仅涉及通过带内信道(窃取PCM的LSB)进行信令交换,完全没有提及任何带外(OOB)接口或使用OOB接口交换信息。因此,该特征未被公开。
技术特征U:设定用于在所述第一站点与所述第二站点之间交换装置信息的OOB管道。《未公开》(未找到相应内容)理由同特征T。对比文件未提及OOB管道。因此,该特征未被公开。
技术特征V:其中确定所述第二站点是否能够使用所述OOB接口与所述第一站点交换信息包括发送探测信号。《未公开》(未找到相应内容)理由同特征T。对比文件未涉及OOB接口,因此更不会涉及通过OOB发送探测信号。该特征未被公开。
技术特征W:其进一步包括使用所述OOB接口在所述第一站点与所述第二站点之间交换可行动信息。《未公开》(未找到相应内容)理由同特征T。对比文件未涉及OOB接口。因此,该特征未被公开。

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