CN1237863A - 无线电局域网和专用小交换机之间的数字无线电通信系统 - Google Patents

无线电局域网和专用小交换机之间的数字无线电通信系统 Download PDF

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CN1237863A
CN1237863A CN99101269A CN99101269A CN1237863A CN 1237863 A CN1237863 A CN 1237863A CN 99101269 A CN99101269 A CN 99101269A CN 99101269 A CN99101269 A CN 99101269A CN 1237863 A CN1237863 A CN 1237863A
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phone
user
data
button
pbx
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CN1176560C (zh
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热罗姆
斯瓦茨
弗雷德P·海曼
丹尼尔R·麦克格林
�罗伯特
比奇
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Motorola Solutions Inc
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Symbol Technologies LLC
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Abstract

本发明提供了一种无线局域网络,用于远程装置和PBX电话系统之间的数字无线电通信,其中远程装置可以访问和使用PBX中的语音信息特征以及主机计算机和服务器上的数据库。提供一无线电话用于语音和数据通信,该通信是通过PBX或具有远程位置的CO电话线或使用数字数据链和标准INTERNET约定的INTERNET进行的。在本发明的较佳实施例中,远程装置是现金出纳器,它包括条码扫描器和电话。出纳器和主机计算机之间的无线电通信在两个频道上进行,第一频道用于数据通信,而第二频道用于语音通信。

Description

无线电局域网和专用小交换机 之间的数字无线电通信系统
本申请是1997年5月30日提交的,题为“移动购物和定购实行系统”的第08/866,690号美国专利申请(该申请目前待批)的延续部分,所述申请又是1996年12月20日提交的,题为“INTRANET扫描终端系统”的第08/780,023号美国专利申请(该申请目前待批)的延续部分,所述申请又是1996年9月5日提交的,题为“用于自检系统中的安全数据更新的装置和方法”的第08/706,579号美国专利申请(该申请目前待批)的延续部分。
本发明一般地涉及到改进的数据通信系统。本发明特别地涉及到用于在局域网(以下简称“LAN”)和专用小交换机(以下简称PBX)电话系统之间的无线电数据通信的改进系统。本发明特别地提供一个系统,该系统通过以太网络将无线电数字装置连接到PBX,以访问PBX的语音通讯特点。
无线电LAN经过开发,目前已经被用于办公室、零售商店、和大型工业中诸如仓库和工厂中。这些LAN在计算机、打印机、服务器和其他的装置之间提供了数据通信,并且没有安装电线和电缆的麻烦和支出。除了数据通信之外,一些LAN还提供了LAN上的装置之间的语音通信。还可以得到LAN通过电话与远程设备通信的系统。
电话的有限的功能是LAN的电话通信的一个问题。LAN电话不提供语音邮件、呼叫ID和PBX系统的其他功能,而这些功能对办公室电话系统的用户是不可缺少的。因此,由于LAN电话系统的功能有限,需要另一个电话系统,诸如PBX。
本发明的一个目的是提供一种改进的数据通信系统,用于将无线的LAN或WAN连接到PBX。
本发明的另一个目的是提供一种用于在无线LAN或WAN的主机接口单元(HIU)和ISP(互连网服务提供者)之间的数据通信的方法。
本发明还有一个目的是通过用无线的移动终端和国际互连网通讯对一般可获得的多媒体数据文件的访问作了改进。
本发明的另一个目的是提供改进的HIU,使无线LAN或WAN,以在PBX和无线移动终端之间按确定的途径发送数据。
本发明还有一个目的是提供改进的HIU,使无线LAN或WAN,可以作为以太网桥,在ISP和无线移动终端之间按确定的途径发送通信数据。
本发明还有一个目的是提供通过访问点连接到HIU的无线LAN或WAN,而该HIU是连接到Token Ring网络上的PBX上的。
本发明的另一个目的是提供与现金出纳机组合的数字电话,并共享在出纳机和HIU之间的无线电通信。
本发明还有一个目的是提供一种无线电移动终端,该终端用单独的处理器执行专门的功能,并提供无线电通信。高质量的数字信号允许诸如语音识别之类的某些数据处理功能可以由HIU执行,从而MU(移动单元)只需要单个处理器。
本发明还有一个目的是在现金出纳机和连接到PBX或中央办公线的网络之间提供一种双数据/语音通信。
在本发明的一个较佳实施例中,在LAN上的移动单元(“MU”)通过无线电信号连接到访问点(“AP”),该点向PBX提供以太网连接。在本发明的较佳实施例中,MU是移动终端,它在系统上具有唯一的地址,并装备有数据和语音传输两种频道。这允许MU访问PBX的语音邮件特征,并使PBX访问无线LAN上的数据储存装置。(为了揭示的目的,词语“移动单元”是指任何将数据通过数字无线电通信传输到AP的移动装置或固定装置。)
在本发明的另一个实施例中,移动终端(它具有完整的机器代码阅读器和连接到PBX的与AP通信的无线电)配备了显示器,该显示器用于图示帮助文件和指导文件,它关联由机器代码阅读器定义的项,并从LAN下载数据。
通过访问PBX所得的信息可以下载到手提式终端,并表示为各种形式。该信息可以包含来自PBX的语音邮件服务器、e-mail或来自远程装置的数据信息。数据可以表示为固定图像、电文、声音或视频的形式。使用标准数据约定(诸如目前用于Internet上的约定)的使用允许在商业和和封闭式通信网络方面各种硬件平台上进行较宽范围的访问。
本发明的另一个较佳实施例包括机器可读的编码标号,它具有一个或更多远程文件位置,诸如统一资源定位器(URL),它用于全球网信息服务系统上的参考场地。移动终端使用这些URL,从无线电通信网络上可得到的各种本地和远程地址h检索数据文件。机器编码标号最好用高密度条码(诸如PDF417)编码。这些URL可以用超连接的形式,显示在终端显示器上,所述超连接从属于所选择的远程地址上的数据检索请求。在显示器上,显示的超连接既可是直接的地址(URL)也可以是较亮的地址名称。
从下面参照附图的详细描述,可以更全面地理解和赏识本发明。
图1是利用本发明的一个较佳实施例的一般的系统方框图;
图2是本发明的移动终端的较佳实施例;
图3是本发明的移动终端的较佳实施例的基本分元件的功能方框图;
图4是本发明的另一个较佳实施例,它应用于自扫描;
图5是图4所示的移动终端的截面图;
图6A、6B、6C和6D是本发明的系统的各种配置;
图7是利用本发明的较佳实施例的呼叫优先系统的流程图;
图8A和8B是用于本发明的移动终端中的另一个较佳实施例电话系统的一般功能方框图;
图9A是用于本发明中的无线电话的较佳实施例;
图9B是现金出纳机和数字电话的较佳实施例;
图10A、10B、10C是电话和连接到主机装置的总线上的访问点的较佳实施例的功能方框图;
图11是本发明的另一个较佳实施例,用于自扫描中。
图12是终端系统的另一个较佳实施例,它供维护人员实现客户要求之用。
在本发明的较佳实施例中,用无线电模块实现MU和连接到以太网的AP之间的数字数据通信。PBX连接到以太网,MU既可以与PBX直接通信或通过可以提供确定途径或桥接功能的HIU通信。MU可以通过PBX连接到远程计算机或服务器,并且还可以访问PBX的语音邮件特征。
在另一个较佳实施例中,当无法得到PBX时,无线电模块连接到HIU。HIU最少有的两个接口,一个接口用于电话线连接,第二个接口用于一个或多个来自无线电装置。无线电信号。HIU可以连接到一般可得到的中央办公(CO)线,包括但不限于POTS(普通老式电话业务)、ISDN(综合服务数字网络)、和T-1电路。HIU使用PIP(点对点约定)和Internet或远程计算机通信。无线电装置可以是移动单元,诸如无线电话、页面器笔记本计算机或各种其他用于无线电通信的移动装置。固定的装置可以是计算机、打印机、文件服务器、传真机、LAN和WAN。HIU可以设置有另外的接口作为以太网端口,还有可以加上有线“标准”型电话的插口。
本发明的移动单元使用无线的数字无线电通过无线电网络将数据送到HIU。网络既可以是局域网,诸如Symbol’sSPECTRUM24展开频谱跳动通信网;也可以是广域通信网系统,诸如那些使用蜂窝数字压缩数据(CDPD)通信约定,或LAN和WAN系统的组合。
在较佳实施例中,AP连接到以太网,并由以太网上的计算机或服务器执行计算和数据储存功能,由此减小MU和系统的通信的计算储存量以及功率需要。当系统不包含PBX时,AP连接到HIU,该HIU最好通过高速通信连接(诸如可买到的T1、T2或T3型电话链路)连接到另一个远程网络。通过这样的连接,HIU可以和第三方服务器通信,该服务器使用标准的TCP/IP和其他标准化的通信约定传输/检索数据。
在一个较佳实施例中,MU是移动终端,它具有组合机器代码阅读器。虽然将根据使用组合条码激光扫描器的移动终端未描述该系统,熟悉本领域的技术人员将知道,机器代码阅读器可以是射频识别标志阅读器,具有成像功能(用于记录图像)的CCD条码阅读器,或任何其他类型可以对文件上已经编码的标记进行解码的机器代码阅读器。由移动终端收集的数据传送到HIU去。
下面将根据把无线LAN或WAN连接到PBX或CO线的改进的数据通信系统来描述本发明。但是,如上所述,熟悉本领域的人将知道,在任何环境下可以利用本发明使数据通过无线电从远程装置传送到以太网上的AP。
在图1所述的较佳实施例中,在位置10中的MU12A-E通过多访问点13A和13B传送到HIU14。如上所述,MU在LAN10中用SPECTRUM24网络通信。通过多访问点13A和13B网络对以太网LAN16提供,透明的无线连接。最好是每一个访问点都适合简单网络管理约定(SNMP)。
SPECTRUM24使用频率跳动调制技术,该技术可提供高容量的网络,这是因为使用了可以连接到现有的有线LAN中枢链路的多访问点。系统使用的不重叠频率大于70个,这使一个单元同时和另一个单元在相同频率上工作的可能性最小化。系统设计得在2到2.5Ghz频带中工作。
通过以太网LAN中枢链路16(图1)由HIU14收集的数据在本地进行处理。从而,接收到的数据需要响应,HIU14检索数据,处理信息,并再将数据传输到MU。在这种情况下,各MU的请求应该要求数据的检索不储存在HIU14上,HIU14可以从诸如网络ID或IP地址服务器32和PC34等外部源,通过以太网连接到WAN上的PBX36检索数据。MU还可以用于将数据传输到LAN上的其他装置去。当MU设置有语音通信频道时,可以用作为电话,和LAN上的其他MU通信,或通过PBX36和远程位置通信。PBX36还提供MU12A-E、22A-D和通过电话线连接的远程装置诸如Internet40或服务器42之间的通信。
HIU14也可以用广域通信网络30,将数据传送到另一个主机24的相应的场地20。也可以连接两个场地以使位于场10中的MU12A和场20处的MU22A之间提供通过式的通信。
在本发明的较佳实施例中,HIU14和HIU24在广域网络30上,用诸如由Internet服务器使用的公开的标准约定和数据类型进行数据通信。这样的系统允许HIU14检索和利用来自服务器的数据,而不需复杂的数据转换和翻译程序。在一较佳实施例中,公开的结构标准也被设计到MU中去,从而MU12A-E可以通过HIU14透明的检索数据文件。对于敏感性和机密数据,系统最好使用加密技术或使用固定的封闭式通信链路。
图2描述了本发明的较佳实施例,其中MU是移动终端。终端70配置有显示器72。显示器最好是CGA或VGA型图像显示器,它具有触摸屏幕。显示器将既用作图像显示器,也用作数据输入装置。终端70还可以配置笔73,笔73可以用于激励触摸屏72或自动识别条码阅读装置。
在较佳实施例中,终端70还配置有有限数量的激励按钮76、77和78,用于执行各种用户功能。关键的功能可以在触摸扫描器的屏幕上确定。
在本发明的较佳实施例中,终端70提供语音通信系统,该语音通信系统包括麦克风71和扬声器74。在另一个实施例中,提供头戴式耳机的连接端口74A。该语音通信系统可以通过HIU作为电话或接收语音邮件信息和音频数据广播。视频信息还可以传输到视频显示器72。另外,移动终端上的音频系统还可以提供用于移动终端上的语音激励的控制命令。
最好通过笔73中的条码扫描器或组合安装的扫描器执行数据的收集。扫描器阅读一个或两个量纲的条码,诸如无处不用UPC码和PDF417码。在本发明的另一个实施例中,扫描器和终端是可分离的,并且既可以配置短距离无线电链路和其自己的电池供应或通过电线连接。
移动终端70通过以太网上的AP与PBX进行通信,或通过无线电80和HIU进行通信。在本发明的较佳实施例中,无线电80是SymbolSPECTRUM24PCMCLA Ⅱ型卡,它在局域网上使用频率跳动通信系统(和IEEP802.11-1997一致)进行通信。可以从IEEE标准部门,445HoesLane,P.O.Box 13311,Pascataway,NJ08855-1331处得到标准。在此引用标准作为参考,但不作进一步的讨论。系统采用每秒至少1兆位的数据流通量。根据被传输的数据量,也可以使用诸如SPECTRUM24的离散的通信系统(它也可以从Symbol Technologies公司得到)。另外,可以采用许多其他的频带和数据编码方案以提供适当的频带和保密性。可以采用许多其他的频带和数据编码方案以提供适当的频带和保密性。
图2中所示移动终端的人机工程设计允许终端在沿线A-A的水平配置中使用,或者相对于线A-A以垂直的配置使用。终端配置有重配置键控装置,它允许图像系统自动配置其显示,以反应用户的受好。重配置键79A将自动配置图像显示,从第一种配置,即横向版面改变为第二种配置,即立式。重配置功能允许设备将移动终端以多于一种的安排连接到固定的站。
图3描述了图2中所示的移动终端的基本分元件系统。如图2所示,系统70包括CPU701,它和无线电702、扫描子系统704、视频子系统705、电话子系统706、数据输入装置707和EAS标记激励/去激励电路708进行通信。
图4和5描述了本发明的移动终端的另一个较佳实施例。在图4中,终端100配置了显示器110。显示器是部分CGA、VGA或超VGA显示器,它们具有多接触导航盘106,用于翻滚过全部的图像。另外,终端100还配置有用于阅读条码标签122的扫描器120、三个输入按钮101、102和103、扬声器104和麦克风105。移动终端100内配置有无线电108和可充电电池107(在罩子内,如图5中所示)。图5中还表示出主电路板111、扫描引擎120A和电池充电终端107A和107B,它们连接到再充电电路(图中未示)。还示出分立的电路板109,它用于可选择的电话应用。还包括电池过充电保护电路,但是图中未示出。
图6A、6B、6C、6D和6E描述了系统的各种组件,这些组件使用本发明的较佳实施例的不同配置。图6A、6B、6C和6D示出通过AP连接到以太网的MU。图6E示出通过AP连接到Token Ring网络的MU。AP提供到以太网或Token Ring网络的访问,并且每一个AP可以同时接收多达25个无线电信号。网络可以是局域网或广域网的一部分,它们包括PBX630,或AP可以连接到HIU600(它连接到包含有PBX630的网络)。当AP连接到HIU600时,HIU600应AP和PBX630之间的通信中起到桥或路由器的作用。
图6A示出一系统,其中MU612A-C、622A-C的AP610、620、HIU600和服务器640连接到相同的以太网中枢链路。来自MU612A-C,622A-C的通信可以直接送到PBX630或到以太网上的其他装置中的一个装置。数据可以在HIU600中处理或从服务器640上访问。可以通过网络中的其他装置建立电话通信,诸如在两个MU612A和622A之间,而不需通过PBX630。
图6B示出一系统,其中LAN670通过HIU600连接到WAN650上的以太网。在这种配置中,HIU600在NAN670和WAN650之间提供确定途径或桥接功能。PBX630位于WAN650上,并且只有与LAN670外面的装置进行通信时才通过HIU600到WAN650。除了LAN670之外,其他的网络,诸如LAN680和WAN690,以及诸如服务器640等装置,可以连接到WAN650,以与PBX630进行通信。
图6C示出了一系统,其中不使用PBX,而HIU600提供了电话系统的接口。HIU600提供语音邮件功能,以及数据储存和处理功能。与外面的场地进行的电话通信连接到CO602线。CO602几乎是可买到的任何的系统,诸如POTS、ISDN或T1。可以通过MU612A-C、622A-C从局域网中的服务器640访问数据,也可以通过电话系统从远程装置访问数据。
图6D示出一系统,其中桥或路由器675用于连接LAN670。和连接到PBX630的WAN650。MU可以与LAN670中的装置进行通信,而不需连接到PBX630。当LAN670上的MU612A-C、614A-C、616A-C选定了WAN650上某一地址的装置时路由器675只使数据从LAN670通过到WAN650。
图6E示出了一系统,其中HIU 600连接到Token Ring网络654。与MU612A-C、622A-C的射频通信通过AP610和620连接到HIU600。HIU600提供处理、确定途径和数据储存功能,以与MU612A-C、622A-C进行通信。MU612A-C、622A-C还可以通过用装置网络ID或IP地址的HIU600,访问TokenRing网络654上的其他装置。这允许MU612A-C、622A-C连接到用于电话通信和语音邮件的PBX630,以及连接到Token Ring网络654上的其他装置,诸如服务器655、PC655、LAN680和WAN690。
如上所述,在本发明的较佳实施例中,MU可以是电话或页面器配备有高分辨率屏幕用于显示电文和图像以及双向无线电。在本发明的上下文中,这些相互作用的多媒体装置用于与局域网(诸如PC、打印机和服务器)上的装置、系统和远程场地的其他用户进行通信。这些装置还允许用户访问语音信息系统,并提供与标准PBX电话相同的功能。
在本发明的较佳实施例(如图4中所示)中,信息被下载到有线网络130上的移动终端100。移动终端是DOS或Windows操作系统,它具有浏览器型图像用户接口。显示在终端显示器上的数据将包括至其他信息的“链路”。如果链路由导航键106(或如果使用触摸显示器敏感盘,则通过触摸选择激励,则移动终端将通过控制器150检索另外的数据。储存在控制器的数据被直接下载到移动终端。或者,“链路”表示储存在诸如Internet连接之类的远程源中的数据文件,在这种情况下,控制器150在广域网络上传送请求,并检索数据以及以确定的途径将数据送到移动终端。链路也可以包括远程服务器所需的,用于选出的数据场的检索的嵌入密码和数据请求命令。
上面讨论的结构允许使用标准程序工具,诸如HTML3.0,用于建立Intranet/Intemet环境,进行移动终端100的操作,和便于从系统所使用的外部资源检索及转换数据。
移动终端还可以用于下载音频数据文件。这对视力较弱的使用者将特别有用。那些阅读较小的图片有困难的使用者将能够扫描一条形码,并通过音频输出接收信息。在使用者需要帮助的情况下,移动终端还可以配置工作电话子系统。
每一个MU都设置有唯一的Internet约定(IP)地址,该地址可以和其网络ID地址相同,从而既可以intranet通信,又可以internet通信。在较佳实施例中,使用者可以通过使用MU上的按钮,访问PBX的语音邮件特征,以传送命令。在另一个较佳实施例中,当用户请求信息时,一个命令被传送到HIU控制器,该控制器将请求转送到适当的服务器或其他网络装置。然后该信息通过HIU传送到MU。虽然采用压缩数据通信技术来传输数据上述通信网络提供足够的数据流通量,以建立实时通信链路。
在图7所示的较佳实施例中,将MU200当作电话,接收来自在LAN210中另一个MU202的呼叫,或通过PBX200接收呼叫。使用PBX200的页面器ID特征或来自MU的ID地址,都可以识别打进来的呼叫方。呼叫方的识别特征被传送到HIU230,并和为每个MU使用者编制的常见呼叫方表250进行比较,(在另一个较佳实施例中,MU直接从PBX或局域网中的其他装置接收到呼叫,优先表250装载在MU的处理器的储存器中。)表250根据由使用者作出的选择,将呼叫分出优先次序,并且呼叫被引导至MU200或语音邮件系统260。语音邮件系统260可以装在HIU230、PBX220或网络的服务器中。传送到MU200的呼叫可以通过给优先次序不同的呼叫赋予有特色的区别环而进一步区分优先的次序。较高优先权的呼叫可以具有一种类型的环,而较低优先权的呼叫将具有另一种类型的环。在MU200上语音信息由闪光小灯或显示屏上的信息表示。在访问语音信息之前,使用者可以按动MU200上的一个按钮命令HIU230显示信息的菜单,它示出呼叫方的姓名和收到信息的时间以及数据。然后使用者可以按动MU200上的按钮,命令显示所有信息或仅显示所选择的信息。
优先表250还可以包含连接到数据的链路,这些数据储存在HIU230中或以太网上的另一个装置(诸如服务器)中。优先表250能识别呼叫方,并且如果它是一个优先呼叫,则该呼叫直接传送到MU200,并根据呼叫方预定的优先级别,激励有特色的区别环。同时,MU的屏显示呼叫方的姓名和呼叫方的相关信息,诸如他的联络信息和标题。如果使用者需要另外的信息,则他可以按动按钮,屏幕将显示使用者可以访问的另外信息的菜单。这样的信息可以包括产品目录、定货情况、可支付和接收的帐目、会议记录、和呼叫方以前的会谈记录以及有关呼叫方的个人信息,诸如呼叫方家庭成员的姓名等等。
为了提供MU的免提操作,MU可以配置有一麦克风的端口和接收器的端口,或组合了两个功能的单一端口。这允许使用者和呼叫方进行交谈的同时,可以看MU的屏幕,并按动MU上的按钮,访问来自远程文件的数据。
当MU配置为语音通信时,它可以访问PBX的语音邮件系统的所有特征。使用者可以接收信息、跳过信息、删除或保存信息、记录新的公告或信息,将呼叫转到另一个场所、改变它所在场所的地址、安排信息提示、以及在网络上广播信息。使用者还可以使用PBX中的在线目录系统,通过PBX附加部分或LAN连接另一个使用者。
由计算机进行的语音识别需要较高质量的语音信号和较大的处理能力,以完成数字转换和语音识别。数字无线电通信提供了高质量语音信号,这是模拟无线电信号无法得到的。高质量数字无线电信号允许语音识别处理功能从MU处理器转移到HIU或接收端上的另一个具有更大处理能力的装置。本发明允许MU使用者将语音处理系统用作储存在远程装置上的敏感文件的安全检查,或口述将被保存为图文文件的信件或信息。通过MU,使用者可以口述并将email从远程场所进行传送,或在他不接触键盘时,用系统来准备信件。
图8A中所述的是本发明的终端中使用的电话系统的较佳实施例的方框图。图8A中,PCM CODEC(编码器/解码器)芯片330连接到CT8015DSP(数字信号处理器)芯片320和6805处理器芯片310。该芯片连接到终端的通信部分,那里设置有数据输入用户接口301,以及储存在只读储存器中的电话程序302。电话程序利用TCP/IP或其他在SPECTRUM24无线电PCMCIA卡304上通信压缩转换数据的约定堆栈303。配置声频输入和输出,以放置得相邻于使用者的耳朵和嘴巴,这类似于标准的电话听筒,并提供回声,从而使用者在对麦克风讲话时可以听到自己说些什么。这种配置最好能在任何系统中使用,在这种系统中终端被支撑到用户的头部使用,如图4中所示的。
6805处理器的芯片310传送和接收CT8015DSP芯片320和串行端口305之间的压缩数据。用户接口软件设计成能,识别显示器上IP地址的选择。或者,用户接口301可以简单地传送一电话请求信息,并等待来自无线通信链路上的控制器的“电话通信频道打开”命令。
电话程序是内存驻留(TSR)程序,并管理声频通信的实际处理,它包括处理用户接口数据,确定压缩数据输出和输入SPECTRUM24网络的途径,和压缩数据输出和输入局域CT8015芯片的途径。电话程序302还通过CT8015芯片320执行信号交换程序。
图8B中描述的是可用于本发明的装置中的结构的另一个较佳实施例,它用于实行电话应用程序。图8A所示的结构的系统中最好是从com端口com1加入电话应用程序。图8B所示结构的系统中最好是把应用程序建立成系统结构整体的部分。
图9A示出本发明的较佳实施例,其中MU是无线电数字电话800。电话800配置有液晶显示器(LCD)801以显示信息、呼叫方ID、由使用者输入的数据和命令,及12个按钮小键盘811,它用于输入电话号码和数据。听筒809和麦克风804用于语音通信。在电话800的一个较佳实施例中,配置有端口822,用于连接耳机和麦克风,从而允许使用者在用电话800谈话的同时看LCD801并操作小键盘811。音量控制按钮806允许使用者控制语音通信的音量,该按钮也可以配置为另一种卷滚式的。用小键盘811输入数据,当输入数据时,可显示在屏幕801上。当屏幕801填满时,按动输入按钮807,将数据保存在电话储存器中,直到按动传送按钮813而传送。这允许在单次传送中传送多幅屏幕数据。另外,电话800设置有LED(发光二极管)指示器810,它以闪光指示正接收到一呼叫或信息。电话800还设置有多声频报警,包括各种振铃和音调,并可以编程设置振动,以表示呼叫或信息。电话800可以连接为主机装置的一个硬件,诸如现金出纳机或PC,或可以用于无线电通信的天线812。当使用电话的无线实施例时,电话800配置有连接器808,用于对电话800中的电池再充电。
电话800通过连接到HIU或直接连接到以太网或Token Ring网络的访问点提供了访问语音和数据网络的入口。电话800与网络上的其他装置连接,使用这些装置的网络ID或IP地址。电话设置有RS232串联端口815,它可以用于多种功能,包括通过VT100兼容终端接口或为另一种用户接口。当电话800用作实施的嵌入式系统的一部分时,串行端口特点允许其他的装置或计算机系统控制电话用户接口。串行端口815还可以用作串行客户桥,这和其作为电话使用是同时的。使用者可以将外围装置连接到串行端口815,以访问无线网络。对串行用户桥串行端口815既支持流式也支持压缩式,包括数据链路、TCP、UDP和Telnet支持。当串行端口815用作为串行用户桥时,可以通过电话800、用户接口或串行用户桥的串、行命令语言配置系统。
电话800的较佳实施例具有多个拨号方式,包括部分网络ID或IP地址,最后号码重拨、快拨以及使用语音识别的姓名拨号。电话800还配置有呼叫方ID,从而呼叫方的电话号码和姓名以及他的位置显示在LCD801上。电话800的另一个较佳实施例配置有对讲机模式,它可以经过编程,以在整个网络上广播信息或将信息传送到多个指定的地址。电话800还具有“呼叫等待”特性,允许使用者在两个同时的呼叫之间转换。电话800用数字无线电传送的标准编码,包括ITUH323、IEEE802.11、Truespeech 8.3和G.711。
图9A中所示的电话800包括小键盘811,该小键盘811由标准电话键(0-9,*,#)和LCD屏幕801组成。当按动这些键时产生双音多频(DTMF)音调,可以用于拨号和其他特殊的任务。功能(FCT)按钮817和小键盘811一同使用,以选择专门的功能。MENU(菜单)按钮816用于访问电话的Menu模式包括页面器操作和系统配置功能)。重复呼叫(RCL)按钮818用于重复呼叫最后使用的号码,并且当重复地按动这个按钮时,电话800对最近所拨的10个号码循环拨号。当按动发送(SND)按钮813时,用刚选出的号码进行呼叫。当按动RCL按钮818,然后拨从00-99的数字(即,两个数字)时,相应于两个数字的快速拨号入口显示在LCD801上。然后使用者按动“SND”按钮813,以开始呼叫。
姓名(NAM)按钮819用于访问电话的姓名拨号特性。当按动“NAM”按钮819时,LCD801示出按字母顺序排列的姓名的清单。使用者可以使用滚动按钮806或滚动键包括“*”按钮803和“#”按钮802使姓名清单翻滚。使用者可以通过按动“NAM”按钮819,然后按动小键盘811上0-9的数字,跳到从另一个字母开始的姓名。LCD801显示和数字键相关的字母开始的姓名(即,按动“6”将列出以字母M、N和O开始的姓名)。
发送(SND)按钮813用于终止拨号顺序,并开始呼叫处理的设置。SND按钮813也可以用于接收进来的呼叫或作为呼叫已建立时的“闪光”信号。另外,如果在电话800关断电源后,按下“SND”按钮813超过2秒钟,则使电话800接通电源。终止(END)按钮814用于终止呼叫,和拒绝进来的呼叫。按END按钮814超过2秒钟,使电话800关断电源。
保留(HOLD)按钮805将当前的呼叫放置在保留状态,并允许进行或接收第二个呼叫。HOLD按钮805也用于在两个呼叫之间转换。清除(CLR)按钮820用于改正拨号和其他的输入错误。按动这个按钮能删除最末输入的字母。如果按下CLR按钮820超过2秒钟,则整个的输入被清除。储存(STO)按钮821用于储存用小键盘811输入或通过按动RCL818按钮显示在LCD801上的数字。使用者还可以拨一个号码,然后按动STO按钮821,再按动两个数字(指定快速拨号地址),将数字加到快速拨号索引。另外,如果在使用者连接到呼叫方时按动STO按钮821(还有二个数字),则连接呼叫方的号码就储存在快速拨号索引中。储存的号码的格式既可是ID地址也是分机号,有赖于如何连接到连接方。
电话800配置有一对Up/Down滚动按钮806,它用于翻滚显示在LCD801上的各种清单和菜单。这些按钮也用于控制现有呼叫的音量。选择按钮807用于选择LCD801上的专门的项目,诸如菜单上的项目或清单上的姓名。
虽然电话800主要由其IP地址定下地址,但它可以具有另外变换到IP地址的地址。这种变换可以在电话的处理器或HIU中进行。变换成另外地址有多种原因,可以从PBX或其他远程场所为电话800定地址的需要开始,到使用者的便利等各种因素为止。为电话800定地址的起始点是每一个电话800具有的唯一的IP地址,该唯一的IP地址被配置在电话800内,作为调整顺序中的一部分。它还具有IP子网络屏蔽和初始化入口地址。IP地址连同MAC地址是电话800以IP地址为基础的连接管理约定中的“真”地址,(如在国际通信标准(ITU)H323中定义的)。单独的IP地址不足以将电话800连接到外部的POTS系统和/或PBX。电话800需要“扩充”的地址,以使其由非IP电话选择地址。这个扩充地址范围可以从一位到五位数字,并且通常是传统的七位或十位数字电话号码的最低有效位部分。类似地,扩充地址是IP电话800所必需的,以使其连接到非IP电话上。
每一个电话800具有扩充号码,它可以变换到IP地址,并与其他的IP电话相适应。其他扩充号码是PBX上的非IP电话的“真”地址。扩充号码的位数对所有电话是固定的,并且是在指定场所的基础上设置的。从扩充号码到IP地址或PBX线的变换也是按场所指定的,并对所有电话都是一样的。变换被下载到每一个电话800,并储存在电话的闪烁存储器中。当拨一扩充号码时,变换对使用者将是透明的。PBX(或POTS)和IP电话系统之间的入口包含扩充地址到IP地址的相同变换。
除了扩充地址外,系统还将“姓名”变换到IP地址或扩充地址。一个姓名可以是至多16个ASCII字符的序列。这些姓名被变换到扩充地址或IP地址。这种变换是全球性的是在场所指定的基础上的,并且被下载至每一个电话800,并储存在电话的闪烁存储器中。姓名按照字母顺序储存,并且变换对使用者是透明的。类似于扩充地址,姓名具有随意的特征,并且不是IP电话操作所需要的。电话使用者可以使用全部或部分IP地址或扩充地址代替姓名变换。
电话800配置有本地定义的“加快速拨号”机构。电话800可以保留多达100个2位数字快速拨号号码,这是由使用者自己编制的。每一个数被变换到至多20个字符,它们被作为文本串储存在电话的存储器中。快速拨号变换对每一电话800是局域性的,使用者随时都可以改变。
电话800支持各种拨号结构。这些结构包括:全部IP地址的直接入口、部分IP地址的直接入口、“扩充地址”的直接入口、“快速拨号”操作、前次号码的重拨、内部变换到IP地址的“姓名”的使用,以及用于访问外线的“9”。拨号过程从按动任何与拨号相关的按钮开始,包括“*”按钮803或“#”按钮802,重复呼叫(RCL)按钮818、或是滚动键806或是“NAM”键819的。如果按动的第一键是数字键(0-9),电话800就以为要拨扩充地址的的号码。使用者输入适当的数字的键,以识别由场所系统管理员定义的扩充地址。号码显示在LCD801上。由“CLR”按钮820去除错误。当按过了每一个键后,就产生相应的DTMF音调。呼叫设置过程通过按动“SND”按钮813开始。拨号过程可以在任何时候通过按动“END”按钮814终止。
如果按动的第一个键是“*”按钮803,则电话800以为是送入IP地址。使用者可以用A.B.C.D的形式输入部分或者全部的IP地址,其中A,B等的数值是从0到255的十进制数。“点”通过“*”按钮803输入。由“CLR”键820改正错误。地址显示在LCD801上。虽然在按动每一个键时将产生“滴答”声,但不产生DTMF音调。当输入不符合规定的地址时,将产生“哔哔”声。按每三位数字的顺序进行地址值的检查(即每一点之间的值)。地址数值结束,并通过按动“SND”按钮813开始呼叫设置过程。如果只输入部分IP地址(即少于4“点”的值),电话800用其自己的IP地址填满IP地址的剩余部分。“填充”以8比特组进行。因此,如果使用者按动“*”按钮803,然后一到三位数字(它具有称为X的数值,并可以在0-255之间),然后按动SND按钮813,得到的地址是A.B.C.X,其中A,B,C来自电话自己的IP地址。同样,如果使用者输入*X*Y,然后按动SND按钮813,则得到的地址是A.B.X.Y。
如果按动的第一个键是RCL按钮818,最后拨的号码显示在LCD屏幕801上(本质上为重拨命令)。当使用者按动SND按钮813时,呼叫设置过程开始。当使用者重复按动RCL按钮818时,电话800最近拨的10个号码中的每一个号码循环。电话800把每个呼叫的地址储存在LIFO队列结构中,使用者可以使用“RCL”按钮818访问这个队列。当找到想要的号码时,使用者可以按动“SND”按钮813以开始呼叫设置过程。如果使用者不想使用LIFO队列中的任何号码,按动“END”按钮814将电话800重新设置到预拨号状态。
按动“MENU”按钮816,“NAM[E]”按钮819或其他类似的按钮将电话800放置在相应的模式中。如果使用者按动RCL按钮818,然后输入一个或两个数字,则将引出相应的快速拨号入口,并且显示在LCD801上。使用者可以通过滚动按钮806,上下滚动快速拨号数值。使用者通过“SND”按钮813,或选择按钮807选择列出的号码中的一个号码,呼叫设置过程就开始了。
如果按动“NAM[E]”按钮819,则姓名清单以字母的顺序显示在LCD上。使用者可以用滚动键806或按动“FCT”按钮817加上“*”按钮803或“#”按钮802滚动姓名。使用者可以通过在按动了“NAM[E]”按钮819之后按动数字键,“跳”到由另一个字母开始的姓名。每一个数字键和一组字符相关联。所显示的姓名的第一个字母就和数字键相关。例如,按动数字键“7”,导致显示以字母“P”开始的姓名。使用者然后可以向上或者向下滚动以得到想要的姓名。或者,当使用者按动另一个数字键时,显示第一个字母和该键有关的姓名。重复按动相同的数字键导致以和键相关的字母开头的姓名循环显示。例如,在按“NAM”按钮819之后按动“7”,导致显示以P开头的姓名。当再次按动“7”时,显示由R开头的姓名。当再次按动时,则显示由字母S开头的姓名。当按动第四次,则再次显示以P开头的姓名。当发现想要的姓名时,使用者可以按动选择按钮807和/或SND按钮813。当按动选择按钮807时,显示选出的姓名和IP地址。当按动SND按钮813(先按动选择按钮807或不按807)时,呼叫设置过程就开始。姓名处理也可以通过按动滚动按钮806而开启。
当按动的第一个键是“9”时,电话800连接到一外线(即,POTS线)。然后使用者输入标准的电话号码。在接收拨号音调后,使用者可以使用由电话键811产生的DTMF音调,拨电话号码。在所有情况下,使用者可以在任何时候通过按动“END”按钮814来结束拨号顺序。
电话800支持几个不同呼叫接收模式,这些模式决定了呼叫怎样被接收(或拒绝)。这些模式包括:“自动回答”、“单键回答/拒绝”和“任何键回答”。无论何时当接收到一呼叫时,所选择的振铃音就告知使用者,并且呼叫方的地址/姓名显示在LCD801上。使用者可以通过按动“END”按钮814拒绝呼叫。从呼叫方看,表现为呼叫未被应答。
使用者可以为了不同的呼叫接收模式配置电话800。“自动回答模式”在单一铃音后不需使用者动作,就回答呼叫。呼叫立即被连接。“单键回答”模式需要使用者按动“SND”按钮813,以接收呼叫。按动任何其他按钮(除了END按钮814)没有效果。“任意键回答”模式允许使用者按动任何键以接受呼叫(除了END按钮814)。如果使用耳机,并且电话800附到带子上时,则这个模式允许使用者只要触摸电话800便可回答呼叫。
电话800可以同时支持两个会谈。使用者使用“HOLD”按钮805在两个呼叫方之间转换。当使用保持特性时,电话800运作得象传统电话上的“呼叫等待”,但还具有另外的特性。使用者典型地建立了一个呼叫。第二输入呼叫通过传送到耳机809的音调显示。这时,使用者按动“HOLD”键805,并转换到第二个呼叫。使用者通过LCD801。识别了呼叫方。并且使用者可以通过“SND”按钮813或“END”按钮814,接收或拒绝这一呼叫。如果呼叫被接收,第二呼叫被连接,而第一呼叫处于保持状态。使用者可以使用“HOLD”按钮805,在这二个呼叫之间来回转换。另外,使用者可以通过按动“HOLD”按钮805,将现有的呼叫放置在保持状态,不需结束第一呼叫。而开始第二呼叫。每一个呼叫独立于其他的呼叫,并且每一个呼叫的状态显示在LCD801上。被保持的呼叫定时地接收到“哔哔”声,以向呼叫方表示他仍是连接着的。在一个较佳实施例中,可以把事先录制好的音乐传送给在线的呼叫方。电话800可以在IP电话和两个同时进行的电话(当其中一个呼叫是通过PBX或POTS线进行时)之间支持多方的会谈。
电话800可以用于广播(或对讲)类型的通信。在这个模式中,使用者可以将信息“广播”到任何数量的其他电话中。进来的信息立即向每一个使用者传送,而不需要使用者接收信息以回答呼叫。每一个电话800可以配置或使接收广播信息先于当前呼叫,或防止广播信息打断呼叫。由发送限制向指定的电话或电话子集广播,以使对广播的信息不感兴趣的一方受到的打扰最小。可以得到八个广播信息的频道,并且每一个电话800可以配置得能接收任何个数频道上的信息(包括零)。未选择的频道上的广播信息被悄悄地丢弃了。
使用者可以以几种不同的方式响应广播。第一种,使用者可以收听信息而作进一步的行动。第二种,使用者可以呼叫进行该呼叫的人。这可以通过传统拨号或通过“FCT”按钮817进行。第三,使用者可以用基本广播机构进行“广播答复”。在接收到广播信息之后,在5秒钟内广播频道成为电话的初始频道以便于使用者答复广播信息。
电话800支持许多专门的功能,这些功能通过“FCT”按钮817是可得到的。功能是瞬时操作,并包括很少使用的任务,即如果更多的键是可用的,则要指定一个键。用“FCT”按钮817输入的命令不影响电话800的永久的配置。当使用者按动“FCT”按钮817时,可得到的功能的清单被显示在LCD801上。使用者既可以使用UP/DOWN按钮802和803以及选择按钮807使清单翻滚以选择功能,也可以通过数字键811输入功能码。电话800可以支持标准的功能,以及使用者特定的功能。这些功能包括:广播模式、广播回叫、呼叫转移、铃音量/类型、音量值、回复模式、电池状态、网络状态和进入页面器模式。
“MENU”按钮816用于访问页面器功能,并配置电话800。当按动“Menu”按钮时,LCD801显示一组菜单,它可以用于传送和显示页面信息,配置电话的网络参数,执行诊断、检查统计表等等。当在菜单的模式时,电话800能接收呼叫。如果使用者“答复”呼叫,则电话800退出菜单模式。使用者可通过“FCT”按钮817完全禁止进来的呼叫。某些可以从菜单模式配置的参数包括:IP寻址、IP地址、子网络屏蔽、初始化入口、无线LAN参数、网络ID(即,扩充服务器“ESS”),和较佳应用程序接口(“API”或基本服务器-“BSS”)。
菜单模式还可以用于设置振铃音的音量和类型。振铃的类型包括:声频(有各种类型振铃音)、振动马达和闪烁的屏幕。菜单模式还用于控制电话800的答复模式(即,自动、单键、任意键)、禁止接收呼叫、编辑快速拨号清单和指定电话800上能够接收广播信息的频道以及初始化的输出频道。
电话800还可以支持Telnet模式的操作,在这种模式中使用者直接以一个远程系统网络广播就像他是哪个系统的使用者。TelnetTCP/IP是用于远程终端连接的标准Internet约定。在这种操作模式中,使用者建立了到主机机构的Telnet连接,并将电话800用作Telnet终端。键811变换到TelnetVT100兼容终端的标准键所限制的子网络。当Telnet模式被激励时,电话800在被限制每次只有一个有效的电话呼叫。但是使用者可以在声音和数据模式之间通过“HOLD”键来回转换,和在两个电话呼叫之间进行转换很相似。
图9B示出本发明的较佳实施例,其中电话800通过电缆826连接到现金出纳机825。在另一个实施例中,电话800是无线电话,它和出纳机825通过数字无线电通信进行通信。出纳机825还可以配置有条码扫描器。出纳机825和电话800共享用于出纳机825和HIU或PBX之间的语音和数据通信的相同的无线电。
图10描述了无线电卡830的方框图,它被用作AP,用于将多个无线电信号连接到主机装置。无线电卡包括用于频率跳动展布频谱无线电的无线电电路8 31、用于使无线电电路831和卡830上的其他元件接口的接口电路832、中央处理单元(CPU)833,闪烁只读存储器(ROM)835、静态随机存取存储器(SRAM)834和PCMCIA接口电路836,它也提供电源管理支持和系统综合功能。ISA(工业标准结构)卡838插入主机装置,并包括桥芯片839,它使主机装置的总线840与无线电卡830接口。无线电卡830还可与用于天线837连接。天线837可以安装在无线电卡830上,或者它可以连接到主机装置的内部或外部的天线上。无线电卡可以安装在ISA卡838上或者可以连接到主机装置的PCMCIA端口。
图10B描述了图9B中描述的本发明的一个实施例的方框图,其中电话800通过硬件有线连接826连接到主机装置825。无线电卡850位于主机装置中,并包含无线电电路851,无线电接口852、SCRAM853、闪烁ROM854、CPU855和PCMCIA接口856。无线电卡850还具有用于支持电话863的电路。这个电路包含数字信号处理器(DSP)858和编码器/译码器(CODEC)860,以及用于电话的LCD857和小键盘859的电路。DSP858提供了用于处理语音通信的装置,CODEC860提供了用于对语音通信进行编码和译码的装置。无线电卡850通过桥芯片871连接到主机装置的总线。
语音通信在无线电卡中进行处理以及编码/译码,并根据ITU标准H323(在此引用作参考)在无线电上作为数字压缩数据传送。用这些数字压缩信息与来用标准TCP/IP以及其他标准化的通信约定发送/接收数据的第三方服务器通信。这允许电话使用者在Internet上通信,并允许电话使用者访问Internet上的场所。
图10描述了较佳实施例的方框图,其中,电话是无线电话,它包括安装在电话内的无线电卡850A。电话通过主机装置中的无线电进行无线电通信,诸如图10A中所示的无线电。主机装置是一台计算机,它还可以支持其他的功能,诸如条码扫描器。主机装置和HIU通过无线电通信进行通信,或它可以通过网络连接到HIU,诸如以太网或Token Ring网络。网络可以由电话和远程装置通信既可以通过连接到网络的PBX也可以通过连接到HIU的中央办公线。电话使用者可以通过主机装置访问网络或外部的电话线,以进行语音和数据通信。
图11A中描述了用于本发明的MU的另一个较佳实施例。扫描器120配置有显示器110、加法键103、减法键102和两个滚动键106A和106B。终端还配置有信息键156和帮助键155。信息键可以在显示的项目上提供信息,而帮助键可以以显示在显示器上的数据的形式向使用者提供帮助。当终端配置有语音功能时,可以添加另外的键,用于专门的语音信息功能,并且帮助键可以自动打开声频通信的线路。与远程位置操作者通信。
图11B描述了用于本发明的页面器900的较佳实施例。页面器900包括数字无线电(图10C描述了页面器的无线电的方框图),并通过AP连接到LAN,并提供了单向或双向分页。信息显示在LCD902上,带有时间和数据,并且信息可以永久地储存在页面器的储存器中。使用者可以通过蜂鸣器或振荡器报警而得到警报信息。页面器900可以连接到HIU,用于在LAN中进行通信,并且当HIU通过以太网或Token Ring网络或中央办公电话线连接到PBX时,它还可以和远程装置进行通信。使用者可以使用页面器900的储存器中编制的响应菜单对信息作出响应。使用者滚动菜单,并选择他想发送的响应,然后传送该响应。页面器900还提供有Internet分页能力,并可以配置成当在连接到网络的PC机上接收到email时显示信息。
在较佳实施例中,页面器设置有5路按钮904,用于读出、检查、删除转送以及编辑信息。5路按钮904具有四个位置可以用于上下或左右地滚动光标,并选择显示在LCD902上的项目。可以发送所选择的信息作为对一个信息的响应,或用5路按钮904的第五个位置起动一个初始信息。开/关按钮906允许使用者在不使用时关闭页面器900。页面器900可以访问PBX,或计算机的语音邮件特征,并在LCD902上显示信息。然后页面器900可以保存这些信息或将它们转送至其他的使用者或数据储存装置,诸如他的PC机或网络上的服务器。页面器还配置有多音调呼叫方ID,以区别不同优先级别的呼叫和不同的呼叫方。有可以指定单独的音调以区别来自传真以及e-mail的电话信息。
在另一个较佳实施例中,系统自动地产生链接的页面以对项目且进行扫描,这些项目包括和使用者所选择的描述相符的任何相关的信息。系统将使用具有预定模板的动态页面建立器,其中显示了一页超连接的数据。在页面超过所使用的终端显示器的显示极限(即需要的线数比单个显示器上的能得到要更多)的情况下,页面建立器自动产生新的“下一页”连接,显示在终端上。在链接到外部网页地址的情况下,动态页面建立器还允许占优功能。使用网络ID或移动终端的IP地址,HIU将从网络的装置检索文件,或通过PBX从远程场所(例如Internet服务器)检索文件,并将信息传送到移动终端。由HIU传送的信息将包括任何重新格式化的约束,它们适用于目的单元移动终端(这种终端只具有部分观察屏幕功能。可以在移动终端上输入命令,将得到的数据集合移动到所指定的位置,诸如使用者办公室中的PC机或通过email传输。如果MU是计算机,数据也可以保存在数据集合文件上,诸如智能卡或软磁盘。
在本发明的较佳实施例中,HIU还能将数据从MU加载至远程远程装置。因此,使用者可以将使用MU产生的,或储存在连接到网络的PC机上或服务器上的数据通过PBX传送到远程位置。使用者还可以从MU向Internet广播,并将文件附到e-mail信息上。
在本发明的另一个较佳实施例中,使用者可以通过HIU访问PC45(图1),或者,另一种情况,HIU使得使用者可以访问由密码保护的网页。
图12描述了本发明的系统的另一个实施例,其中语音耳机550使用窄带无线电,以将通信数据输入或输出移动终端70。当终端用于扩充时间周期时,可以提供耐用蓄电池组560,以补充终端70的电池。在另一个较佳实施例中,终端可以设计成耐用的,使维护人员使用方便。在第5,514,861;5,250,790;5,543,610;5,340,972;5,191,197;5,410,140;和5,416,310号的美国专利中描述这种耐用设计的例子;上述所有的专利都转让给了接受本发明任务的人。
在另一较佳实施例中,使用一个便于使用,并且份量轻的条码扫描器,如图12所示。带560通过模块化的组件561-564可以配置有所有必需的终端功能。电池561可以得到CPU组件562、无线电模块562、储存板563和声频/视频模块564的补充。这些系统将和耳机550、腕部安装的显示器、和无线循环扫描器通信。较好地,这些组件使用无线电通信数据线路,这允许至CPU组件562的多频道通信,并且带模块用柔软的电缆连接器与数据总线连接。
在这里描述的本发明的实施例是申请人目前想到的本发明的较佳实施例。对任何一个熟悉本领域的人来说,显而易见根据这里描述的例子,在不背离本发明的前提下上述较佳实施例可以有许多修改。例如,移动终端可以采取多种的形式,包括从Syrnbol Technologies.Inc.可达到的耐用方案,以及这里描述的其他移动方案。另外,图像用户界面还可用许多不同表示图补充。相应地,这里描述的实施例只是模仿实质,而不是要表现本发明每一个可能的实施例。

Claims (11)

1.一种用于数字无线电通信的系统,其特征在于包含:
专用小交换机电话系统PBX;
包括第一无线电装置的终端;
包括第二无线电装置的访问点;
连接所述PBX和所述访问点的桥路,其中通过所述第一和第二无线电和所述桥在所述终端和所述PBX之间建立通信。
2.如权利要求1所述的系统,其特征在于所述桥包括主机接口单元。
3.如权利要求1所述的系统,其特征在于所述终端是销售终端的点。
4.如权利要求1所述的系统,其特征在于所述终端包括一电话。
5.如权利要求4所述的系统,其特征在于所述PBX还包含语音信息系统。
6.如权利要求4所述的系统,其特征在于所述电话配置有液晶显示器(LCD)和供呼叫方识别的软件,其中所述LCD上显示出和打进来的呼叫有关的信息。
7.如权利要求4所述的系统,其特征在于所述电话包含RS232串行端口。
8.如权利要求4所述的系统,其特征在于所述电话在无线局域网络上用信息的数字链按照Internet约定进行通信。
9.如权利要求4所述的系统,其特征在于所述电话是可以由唯一的Internet约定地址确定共地址的。
10.如权利要求4所述的系统,其特征在于还包含数据储存装置,所述数据储存装置具有使用者特定的呼叫方优先表。
11.如权利要求10所述的系统,其特征在于所述电话包含多音调振铃特征,所述特征对各呼叫方具有不同的振铃音,由所述呼叫方优先表进行识别。
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