WO2010094195A1 - 企业总机平台以及呼叫处理方法 - Google Patents

企业总机平台以及呼叫处理方法 Download PDF

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Publication number
WO2010094195A1
WO2010094195A1 PCT/CN2009/075009 CN2009075009W WO2010094195A1 WO 2010094195 A1 WO2010094195 A1 WO 2010094195A1 CN 2009075009 W CN2009075009 W CN 2009075009W WO 2010094195 A1 WO2010094195 A1 WO 2010094195A1
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WIPO (PCT)
Prior art keywords
call
capability
module
service
processing module
Prior art date
Application number
PCT/CN2009/075009
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English (en)
French (fr)
Inventor
张东
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to CA2750670A priority Critical patent/CA2750670C/en
Priority to US13/145,792 priority patent/US8180040B2/en
Priority to EP09840246.4A priority patent/EP2383967B1/en
Publication of WO2010094195A1 publication Critical patent/WO2010094195A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges
    • H04Q3/0029Provisions for intelligent networking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/42314Systems providing special services or facilities to subscribers in private branch exchanges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2207/00Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/35Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place virtual private networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/50Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/53Centralised arrangements for recording incoming messages, i.e. mailbox systems
    • H04M3/533Voice mail systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities

Definitions

  • the present invention relates to enterprise switchboard system technology in communication, and in particular to an enterprise switchboard platform and a call processing method. Background technique
  • the enterprise switchboard system is a telecom operator that integrates the functions of integrated VPN, group address book, voice mailbox, business conference system, and call center system to meet the above-mentioned needs of group customers, and provides services for group corporate customers. solution.
  • the enterprise switchboard system refers to the unified switchboard number as the carrier, with the communication record management and traffic transfer as the core, and superimposing flexible automatic voice navigation, voice mail, and SMS group sending functions to provide internal and external communication voices for enterprises. Portal.
  • the enterprise switchboard system mainly includes four types of services: enterprise switchboard, integrated VPN, conference call, and information service.
  • the integrated VPN refers to the internal short-number dialing and flexible billing as the core functions, aiming to fix the fixed network of the telecom operators in different areas, such as the Public Switched Telephone Network (PSTN), softswitch. , as well as Code Division Multiple Access (CDMA), Global System for Mobile (GSM, Global System for Mobile) Communication ) Users, Next Generation Network (NGN) users form a logical private network. Users in the network can use short numbers or real numbers to contact. Members in the private network can enjoy flexible tariff policies when calling within the network and outside the network.
  • PSTN Public Switched Telephone Network
  • CDMA Code Division Multiple Access
  • GSM Global System for Mobile
  • GSM Global System for Mobile
  • NTN Next Generation Network
  • a conference call is a service for making multi-party calls by telephone. Participants can use the active or incoming call to access the conference system and make a conference call in a different place within a predetermined time.
  • Information services are designed to provide enterprises with a unified information platform. Through manual services or enterprise portals, internal or external customers can obtain real-time online information.
  • the current enterprise switchboard system is implemented in two ways, namely: intelligent network mode and intelligent platform mode.
  • the virtual switchboard technology is used to implement the virtual switchboard service, that is, the enterprise switchboard service, which mainly uses the design idea of separate call and service control in the intelligent network technology, and separates the terminal call connection from the virtual switchboard service control.
  • the service trigger mode the method of triggering the virtual switchboard service to the SCP (Service Control Point) query mode is used.
  • FIG. 1 is a schematic diagram of a structure of a virtual switchboard system implemented by using an intelligent network technology in the related art.
  • a Service Switching Point SSP
  • SCP Service Switching Point
  • the SCP is a service control point and is mainly responsible for controlling the virtual switchboard business logic. It is the core part of the virtual switchboard service processing.
  • the SCP is connected to the SSP and IP through the No. 7 signaling network or the Intelligent Peripheral (IP) core network.
  • IP Intelligent Peripheral
  • the communication rules between the SCP and the SSP and IP can use various control signaling, for example: the intelligent network application part/the mobile network enhanced logic customized application (CAMEL) part/mobile application part/session initiation protocol, etc. , IP provides playback, receiving, recording and other functions for the virtual switchboard business.
  • CAMEL mobile network enhanced logic customized application
  • the advantage of using the intelligent network method is that the voice path is less, especially in the mobile network, each area The MSC (Mobile Switching Center) can serve as the SSP trigger service of the virtual switchboard. There is only a signaling link between the MSC and the switchboard SCP. Since the voice path does not return to the unified switchboard platform, the switchboard system constructed in this way has efficient business processing capabilities and can increase system capacity.
  • MSC Mobile Switching Center
  • the intelligent network method also has obvious disadvantages. Since the SSPs are distributed throughout the switching network, and the construction period of the SSP devices in the switching network is different, the processing capabilities of the devices are also different. Therefore, there is no guarantee that the SSP service control commands can be correctly executed by the SSP. For example, the conference call function, the extension simultaneous and forward function, the extension session hold and forward function, and the extension queue function all require the SSP to perform specific call processing under the control of the SCP. However, in the actual network evolution process, with the evolution of control signaling, the SSP cannot support these special call processing, and thus the function development of the switchboard service is greatly limited.
  • FIG. 2 is a schematic diagram of the structure of the virtual switchboard system implemented by using the intelligent platform technology in the related art.
  • the smart platform mode all calls and signaling related to the enterprise switchboard need to be transferred. It is connected to the enterprise switchboard intelligent platform, which provides unified call control and media resource control functions.
  • This kind of implementation can conveniently and reliably deploy the enterprise switchboard system and provide service functions without being limited by the capabilities of the existing network switching equipment.
  • the broadband transformation of the intelligent platform it can provide more diverse and diverse service capabilities, for example, voice.
  • ASR Automatic Speech Recognition
  • TTS Text To Speech
  • extension queuing function remote enterprise manual switchboard and other functions.
  • the intelligent network method can provide a large-capacity system, but because it is limited by the capabilities of the existing network equipment, it cannot provide rich and diverse services, and is a capability-limited system.
  • the intelligent platform method can get rid of the limitation of the capacity of the existing network equipment, but it is a capacity-constrained system because of serious roads and loops, which leads to the large-scale operation of the business.
  • no technical solution has been proposed to overcome the above problems of the business switchboard system of the intelligent network mode and the intelligent platform mode. Summary of the invention
  • the main object of the present invention is to provide an enterprise switchboard platform and a call processing method, which can solve the problem that the capacity of the service switchboard system is limited or the capacity is limited, so that the service can be carried out on a large scale.
  • the present invention provides an enterprise switchboard platform, including an enterprise switchboard service control point, an enterprise switchboard service exchange point, and an intelligent peripheral device
  • the enterprise switchboard service control point includes: a basic call processing module, configured to determine Whether the capability of the existing network switching device can support the call triggered by the switching service switching point of the switching network, and when the judgment is not supported, the call is sent to the enhanced service capability module; and the enhanced service capability module is used to control the exchange of the intelligent peripheral and the enterprise switchboard service. Click to complete the call related business.
  • the basic call processing module is further configured to control the switching network service switching point to transfer the call when determining that the capability of the active network switching device can support the call.
  • the basic call processing module further includes: a processing module, configured to preprocess the call, determine a media resource and a call control capability required for the call; and an evaluation module, configured to evaluate a capability of the existing network switching device;
  • the notification module is configured to notify the switching network service switching point to send the call to the switching network service switching point when the determining module determines to be no, whether the capability of the existing network switching device evaluated by the evaluation module can support the media resource and/or the call control capability required for the call; Enhance the business capability module.
  • the basic call processing module further includes: an switching module, configured to control the switching network service switching point to transfer the call when the determining module determines to be YES.
  • the foregoing processing module is specifically configured to: determine, by using a user attribute and/or a call number type, a media resource and a call control capability required for the call.
  • the processing module determines that the media resource required for the call is a conference resource, a text-to-speech resource, and/or a voice recognition resource
  • the determining module determines that the capability of the current network switching device cannot support the media resource required for the call; the processing module determines the call requirement.
  • the judging module judges that the capability of the live network switching device cannot support the call control capability required for the call.
  • the present invention also provides a call processing method for the above enterprise switchboard platform, the method comprising: the basic call processing module of the enterprise switchboard service control point determines whether the capability of the live network switching device can support the call triggered by the switching network service switching point When the judgment is not supported, the call is sent to the enhanced service capability module; the enhanced service capability module controls the intelligent peripheral and the enterprise switchboard service exchange point to complete the call-related service processing.
  • the basic call processing module determines that the capability of the live network switching device can support the call
  • the basic call processing module controls the switching network service switching point to transfer the call.
  • the method further includes: the basic call processing module receiving the call, determining the media resource and call control required by the call by using the user attribute and/or the call number type Capabilities, and an assessment of the capabilities of existing network switching equipment.
  • the basic call processing module determines whether the capability of the active switching device can support the call, and the basic call processing module determines whether the capability of the active switching device can support the media resource and/or call control capability required by the call.
  • the enterprise switchboard platform and the call processing method provided by the invention solve the problem that the enterprise switchboard system is implemented in the relevant technology by setting the basic call processing module and the enhanced service capability module in the SCP of the enterprise switchboard platform.
  • the ability of the network device, and the use of the intelligent platform mode to realize that the enterprise switchboard system is limited by the existing network capacity and cannot carry out the business on a large scale, the present invention provides more services than the enterprise switchboard system based on the intelligent network technology. Capabilities, and enrich the business characteristics of the enterprise switchboard system; and enterprise switchboards based on intelligent platform technology Compared to the system, the present invention provides greater system capacity and reduces network bypass overhead.
  • FIG. 1 is a schematic diagram showing the structure of a virtual switchboard system using an intelligent network technology in related art
  • FIG. 2 is a schematic diagram showing the structure of a virtual switchboard system using intelligent platform technology in the related art
  • FIG. 3 is a schematic structural diagram of a structure of an enterprise switchboard platform according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a basic call processing module according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a component of an enhanced service capability module according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of an implementation process of a call processing method according to an embodiment of the present invention.
  • Example 7 is a signaling flowchart of Example 1 in an embodiment of the present invention.
  • FIG. 8 is a signaling flowchart of Example 2 in the embodiment of the present invention. detailed description
  • the enterprise switchboard system in the intelligent network mode is a limited capacity system; and the enterprise switchboard system in the smart platform mode is a capacity limited system.
  • the integrated VPN service is an enterprise. The most frequently used services in the switchboard system, and more than 80% of calls do not require complex business logic control and network capabilities, while the number of calls requiring higher network capabilities is less.
  • the present invention provides an improved enterprise switchboard platform, which combines the above two development modes reasonably and effectively, and can simultaneously have the advantages of high-capacity in the intelligent network mode and high capability in the intelligent platform mode.
  • the enterprise switchboard platform of the embodiment of the present invention mainly provides two service modules: a basic call processing module and an enhanced service capability module, and both service modules are implemented in the SCP.
  • the service is triggered to the enterprise through the SSP in the switching network.
  • the SCP of the machine platform and then the call is pre-processed by the basic call processing module in the SCP, and the capability of the existing network switching device is evaluated. If the call can be supported only through the existing network switching device, the intelligent network technology is used to control the existing network SSP to transfer the call through the basic call module.
  • the basic call module determines that the current call requires special media resources or requires special call control, it considers that the current network device cannot reliably support such services, and converts the called number of the call to notify the existing network SSP to forward the call.
  • Call the enhanced business capability module of the enterprise switchboard platform After the call is forwarded to the enterprise switchboard platform, the enhanced service capability module controls the SSP and media resources provided by the enterprise switchboard platform to complete the corresponding service capabilities.
  • FIG. 3 is a schematic structural diagram of a corporate switchboard platform according to an embodiment of the present invention.
  • the enterprise switchboard platform 2 includes a service switch point/switch 4 of the switch network.
  • the enterprise switchboard platform 2 further includes: an enterprise switchboard service control point 20, an enterprise switchboard service exchange point 22, and an intelligent peripheral (IP) 24, where the enterprise switchboard service switching point 22 may also be referred to as an enhanced service capability module service switching point.
  • the enterprise switchboard service control point 20 further includes: a basic call processing module 202 and an enhanced service capability module 204.
  • FIG. 4 is a schematic structural diagram of a basic call processing module according to an embodiment of the present invention.
  • the basic call processing module 202 includes: a first processing module 2020, an evaluation module 2022, a determining module 2024, and a second processing module 2026. Notification module 2028.
  • the service is first triggered by the switching network SSP to the enterprise switchboard SCP 20.
  • the first processing module 2020 in the basic call processing module 202 of the enterprise switchboard SCP 20 first processes the call, through the user attribute and / or call number type to determine the media resources and call control capabilities required for the call; subsequently, the evaluation module 2022 in the basic call processing module 202 evaluates the capabilities of the existing network switching device, such as the live network SSP; After the line evaluation, the determining module 2024 in the basic call processing module 202 determines whether the capability of the live network switching device evaluated by the evaluation module 2022 can support the media resource and the call control capability, and if the determining module 2024 determines that the call only passes through the existing network switching device.
  • the second processing module 2026 uses the intelligent network technology to transfer the call by controlling the SSP/switch 4 of the switching network. If the determining module 2024 determines that the call requires special media resources, such as conference resources, TTS resources, ASR resources, or requires special call control, such as called simultaneous ringing, multiparty calling, call hold/forward, extension queuing, and If it is determined that the existing network device cannot reliably support such a service, that is, the special media resource or special call control cannot be provided, the notification module 2028 converts the called number of the call, for example, the original called party is A, and the enhanced service capability module is The service access code of 204 is B, then the basic call processing module 202 will call the called number by B+A, and the current network SSP routes the call to the enterprise switchboard SSP 22 through B, and sends it through the enterprise switchboard SSP 22. To the enhanced business capability module 204.
  • special media resources such as conference resources, TTS resources, ASR resources
  • special call control such as called simultaneous ringing, multi
  • the basic call processing module 202 can be designed by the CAMEL master/called flow module based on the broadband GSM intelligent network architecture, and the switching device MSC Server of the core network
  • the CAMEL protocol carried by Sigtran interacts to solve the problems of caller authentication processing, calling and called number processing, roaming state control, basic call charging, and routing control when the mobile user initiates and terminates the call.
  • the CAMEL module cooperates with the core network equipment to control the core network to implement voice prompts and call control related to simple calls for mobile users, such as call hold and call forwarding.
  • CAMEL module which realizes the ordinary short number call in the enterprise and the ordinary call to the enterprise member number (Subscriber Number). Since this part of the call accounts for the majority of the total traffic, it is the decisive factor of the system capacity.
  • the introduction of the CAMEL module can be The control and processing of this part of the call is done efficiently, thereby greatly expanding the system processing power and system capacity.
  • FIG. 5 is a schematic structural diagram of a component of an enhanced service capability module according to an embodiment of the present invention.
  • the enhanced service capability module 204 of the embodiment of the present invention includes: a receiving module 2040, and a control Module 2042.
  • the receiving module 2040 in the enhanced service capability module 204 receives the enterprise. After the receiving module 2040 receives the call, the control module 2042 in the enhanced service capability module 204 controls the corresponding media resource and the enterprise switchboard service switching point 22 to complete the service related to the call.
  • the enhanced service capability module 204 based on the Session Initiation Protocol (SIP) provides advanced call processing, when the call involves a customized personal welcome word/color ring, enterprise customization.
  • SIP Session Initiation Protocol
  • IVR Interactive Voice Response
  • VMS Voice Message System
  • a more flexible and powerful SIP enhanced service capability module 204 is needed for processing.
  • the SIP enhanced service capability module 204 provides a rich third-party interface to facilitate expansion and upgrade of service capabilities.
  • the intelligent network technology and the intelligent platform technology are effectively combined to provide a large-capacity and high-performance enterprise switchboard system, which provides more business capabilities than the enterprise switchboard system based on the intelligent network technology. It enriches the business characteristics of the enterprise switchboard system and provides greater system capacity and network bypass overhead than the enterprise switchboard system based on intelligent platform technology.
  • Newly added new service features such as: extension queuing function, allows users to bind multiple terminals to a VPN short number, calls to the short number can be assigned to different terminals according to a certain algorithm;
  • the call center service provides a short number dialing function that extends the business capabilities of the enterprise call center.
  • the two enterprise switchboard systems based on the intelligent network technology and the intelligent platform technology can be easily upgraded to the enterprise switchboard system provided by the present invention, and the software and hardware structures of the original system do not need to be changed greatly.
  • FIG. 6 is a schematic flowchart of a call processing method according to an embodiment of the present invention. As shown in FIG. 6, the call processing method provided by the embodiment of the present invention includes the following processing steps:
  • Step S602 The basic call processing module of the enterprise switchboard service control point receives the call triggered by the switching service exchange point, and determines the media resource and call control capability required by the call by using the user attribute and/or the call number type, and performs the current network switching device. Ability to conduct an assessment;
  • Step S604 The basic call processing module determines whether the capability of the active switching device can support the media resource and/or the call control capability.
  • Step S606 if the determination is yes, the basic call processing module controls the switching network service switching point to transfer the call;
  • the basic call processing module When the basic call processing module confirms that the call requires special media resources, and/or requires special call control, it determines that the capabilities of the live network switching device cannot satisfy the media resources and call control capabilities, that is, if the determination is no, then basic The call processing module notifies the switching network service switching point to send the call to the enhanced service capability module of the enterprise switchboard platform through the enterprise switchboard service switching point; it should be noted that the special media resource includes at least one of the following: conference resource, text voice conversion resource , voice recognition resources; special call control includes at least one of the following: called simultaneous, multi-party call, call hold / forward, diversity queue. Step S608, the enhanced service capability module receives the call sent by the enterprise switchboard service switching point, and controls the corresponding media resource and the enterprise switchboard service switching point to complete the call-related service process.
  • Example 1 The enterprise switchboard system uses the basic call processing module to initiate and terminate the mobile core network.
  • FIG. 7 is a signaling flowchart of the example 1 in the embodiment of the present invention.
  • the signaling flowchart shown in FIG. 7 includes the following entities, including: an SSP, an HLR, a Signal Interface Unit (SIU), and SCP;
  • SSP Signal Processing Unit
  • HLR Home Location Register
  • SIU Signal Interface Unit
  • SCP Signal Interface Unit
  • the enterprise switchboard system uses the basic call processing module to initiate and terminate the mobile core network, including the following processing steps:
  • Step 701 The switching network service switching point (SSP) triggers the calling basic call processing intelligent service to the enterprise switchboard service control point (SCP) by calling the subscription mode, corresponding to step S602 of FIG. 6.
  • SSP switching network service switching point
  • SCP enterprise switchboard service control point
  • Step 702 The SCP analyzes and authenticates the calling number. In order to obtain the location information of the calling number to determine whether the calling party is in a roaming state, the SCP queries the home location register (HLR, Home Location Register) for the calling location information.
  • HLR Home Location Register
  • Step 703 The HLR returns the location information of the calling party to the SCP.
  • Step 704 The SCP determines a calling rate plan according to the calling party information and the calling location information, and registers a Basic Call State Model (BCSM) event with the SSP to obtain the BCSM event information.
  • BCSM Basic Call State Model
  • Step 705 The SCP converts the called number from the extension short number to the real long number, and sends a connection called command to the SSP.
  • Step 706 The SSP queries the HLR for the subscription information of the called number.
  • Step 707 The SSP triggers the called basic call processing intelligent service to the SCP according to the called number subscription information.
  • Step 708 in the basic call processing module the processing of the called number is similar to the calling number.
  • the called number that is connected in the called flow needs to add a routing prefix to indicate that the SSP suppresses the query subscription information.
  • step 708 can be divided into the following four steps:
  • Step 708a The SCP analyzes and authenticates the called number, and queries the home location register for the called location information to determine whether the called party is in the roaming state according to the obtained location information of the called number.
  • Step 708b the HLR returns the location information of the called party to the SCP.
  • Step 708c The SCP determines the called rate plan according to the calling party information and the called location information, and registers the basic call state model event with the SSP to obtain the BCSM event information.
  • step 708d the SCP converts the calling number from the extension number to the short number, and sends a connection called command to the SSP.
  • Step 709 The SSP obtains the called number with the route prefix attached, and the SSP removes the route prefix, and queries the HLR for the called dynamic roaming number to call the called mobile phone.
  • Step 710 the calling party and the called party make a call, and if the calling party or the called party hangs up, the call ends, and the SSP reports the BCSM event.
  • Step 711 The SCP controls to release the call channel, and gives the calling CDR and the called CDR, and the call ends.
  • Example 2 The enterprise switchboard system uses the basic call processing module and the enhanced service capability module to initiate and terminate the mobile core network.
  • FIG. 8 is a signaling flowchart of the example 2 in the embodiment of the present invention.
  • the signaling flowchart shown in FIG. 8 includes the following entities, including: a calling party, an SSP, an HLR, a signaling interface unit, an enterprise switchboard platform, and a media. Server;
  • the enterprise switchboard system uses the basic call processing module and the enhanced service capability module to initiate and terminate the mobile core network, including the following processing steps:
  • Step 801 The calling user initiates the enterprise switchboard number, and the SSP to which the calling user belongs queries the HLR for the subscription information of the enterprise switchboard number.
  • Step 802 The HLR returns the called subscription information of the enterprise switchboard number to the SSP.
  • Step 803 The SSP triggers the basic call processing module on the SCP by using an initial detection point message (IDP, Initial Detect Point), which corresponds to step S602 in FIG. 6.
  • IDDP Initial Detect Point
  • Step 804 The SCP identifies, in the basic call processing module, that the called number is the switchboard number, and the voice resource support on the media server is required.
  • the SCP first registers the BCSM event on the SSP, corresponding to step S606 in FIG. 6.
  • Step 805 The SCP forwards the call to the enhanced service module. Thereafter, the call is further processed by the added service module, corresponding to step S608 in FIG.
  • Step 806 The SSP responds to the SCP call request, and transfers the call to the enhanced service module of the enterprise switchboard platform by using interoffice signaling, such as ISUP signaling.
  • interoffice signaling such as ISUP signaling.
  • Step 807 The enterprise switchboard platform answers the inter-office signaling of the Integrated Service Digital Network User Protocol (ISUP) from the SSP.
  • ISUP Integrated Service Digital Network User Protocol
  • Step 808 The enhanced service module of the enterprise switchboard platform controls the corresponding resource module to complete flexible and diverse service processing.
  • the user dials the short number of the agent of the enterprise operator group.
  • the enterprise switchboard prefers to use the media server to play the queue waiting tone for the user, and the enhanced service module SSP of the enterprise switchboard platform will Under the control of the enhanced service module SCP, the latest idle attendant is selected, and the call is connected to the attendant's telephone terminal.
  • step 809 the user establishes a call with the operator of the enterprise switchboard platform.
  • the attendant can forward the call to another extension number according to the user's instruction.
  • Step 810 After the processing of the enhanced service module ends, the user hangs up, and the SSP notifies the enterprise switchboard platform by using interoffice ISUP signaling.
  • Step 811 The enterprise switchboard platform releases the call of the enhanced service module and the basic call processing module.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

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Abstract

本发明公开了一种企业总机平台以及呼叫处理方法,包括企业总机业务控制点、企业总机业务交换点、以及智能外设,其中,企业总机业务控 制点包括:基本呼叫处理模块,用于判断现网交换设备的能力是否能够支持交换网业务交换点触发的呼叫,在判断不能够支持时,将呼叫发送到增强业务能力模块;增强业务能力模块,用于控制智能外设与企业总机业务交换点完成与呼叫相关的业务。采用本发明的技术方案,能比基于智能平 台技术的企业总机系统提供更大的系统容量和系统能力,减小网络迂回开销。

Description

企业总机平台以及呼叫处理方法 技术领域
本发明涉及通信中的企业总机系统技术, 特别是涉及一种企业总机平 台以及呼叫处理方法。 背景技术
目前, 随着社会信息化、 网络化程度的不断提高, 集团用户对通信业 务的需求呈现出综合化、 多样化的特点。 除了固定通话、 移动通话之外, 集团用户还需要虚拟专用网 (VPN, Virtual Private Network ), 集团通讯录、 语音邮箱、 商务会议、 呼叫中心等业务。 在这种情况下, 集团用户自行购 买一套设备来实现上述功能的投资较大, 维护成本也非常高。 因此, 集团 用户普遍希望电信运营商能够提供满足自身信息需求的一体化解决方案。 企业总机系统就是电信运营商为了满足集团客户的上述需求, 利用现有的 网络设备, 整合了综合 VPN、 集团通讯录、 语音邮箱、 商务会议系统、 呼 叫中心系统等功能, 为集团企业客户提供的解决方案。 企业总机系统是指 以统一的总机号码为载体, 以通信录管理和话务转接为核心, 同时叠加灵 活的自动语音导航、 留言信箱、 以及短信群发等功能, 为企业提供内外部 沟通的语音门户。
在现有技术中,企业总机系统主要包括四类业务:企业总机、综合 VPN、 电话会议、 信息服务。
其中, 综合 VPN是指以内部短号互拨、 灵活计费为核心功能, 旨在将 分布在不同区域的电信运营商的固网如公共交换电话网 (PSTN, Public Switched Telephone Network )、软交换,以及码分多址( CDMA, Code Division Multiple Access )用户、 全球移动通信系统( GSM, Global system for Mobile Communication )用户、 下一代网络 ( NGN, Next Generation Network )用 户组成一个逻辑专网。 网内用户之间可以使用短号或真实号码联系, 专网 内的成员在网内和网外呼叫可以享受灵活的资费策略。
电话会议是一种通过电话进行多方通话的业务, 与会者可以在约定的 时间内, 在不同的地方通过固定电话或移动电话釆用主动呼入或系统呼出 方式接入会议系统, 进行电话会议。
信息服务旨在为企业提供统一的信息平台, 通过人工服务或企业门户 网站等方式, 使得企业内部员工或者外部客户可以获得企业实时的在线信 息。
随着电信技术的发展, 目前的企业总机系统多釆用两种方式实现, 分 别为: 智能网方式和智能平台方式。
对于智能网方式, 是利用智能网技术实现虚拟总机业务, 即企业总机 业务, 主要釆用了智能网技术中呼叫与业务控制相分离的设计思想, 将终 端的呼叫接续与虚拟总机业务控制分开。 在业务触发方式上, 釆用向业务 控制点 (SCP, Service Control Point ) 查询方式触发虚拟总机业务的方式。
图 1 是相关技术中利用智能网技术实现虚拟总机系统的组成结构示意 图, 如图 1所示, 业务交换点 (SSP, Service Switching Point ) 可以检测出 虚拟总机业务的请求, 并与 SCP进行通信, 对 SCP的请求做出响应, 允许 SCP 中的业务逻辑影响呼叫处理。 SCP为业务控制点, 主要负责控制虚拟 总机业务逻辑, 是虚拟总机业务处理的核心部分。 其中, SCP通过七号信 令网、 或智能外设 ( IP, Intelligent Peripheral )核心网与 SSP和 IP相连。
SCP与 SSP、 IP之间的通信规则可以釆用多种控制信令, 例如: 智能网应 用部分 /移动网络增强型逻辑的客户化应用 (CAMEL )部分 /移动应用部分 / 会话启动协议等, 其中, IP为虚拟总机业务提供放音、 收号、 录音等功能。
釆用智能网方式的优点在于话路迂回少, 特别是在移动网中, 各片区 服务移动交换中心 (MSC, Mobile Switching Center )可以作为虚拟总机的 SSP触发业务, MSC和总机 SCP之间只有信令链路。 由于话路承载不迂回 到统一的总机平台上, 这种方式建设的总机系统拥有高效的业务处理能力, 能够提高系统容量。
智能网方式也有比较明显的缺点, 由于 SSP分布在交换网各处, 而交 换网中的 SSP设备的建设时期不同, 设备的处理能力也不相同。 因此, 无 法保证全网 SSP都能正确执行 SCP的业务控制指令。例如,会议电话功能、 分机同振和顺振功能、 分机话路保持和前转功能、 分机排队功能等, 都需 要 SSP在 SCP的控制下完成特定的呼叫处理。 但是, 在实际的网络演进过 程中, 随着控制信令的演进变更, SSP并不能都支持这些特殊的呼叫处理, 因此总机业务的功能开展受到了很大限制。
对于智能平台方式, 图 2为相关技术中利用智能平台技术实现虚拟总 机系统的组成结构示意图, 如图 2所示, 在智能平台方式下, 与企业总机 相关的所有的呼叫和信令都需要转接到企业总机智能平台上, 由该平台提 供统一呼叫控制、 以及媒体资源控制功能。 这种实现方式可以方便可靠的 部署企业总机系统, 提供业务功能, 不用受限于现网交换设备的能力, 同 时, 通过智能平台的宽带化改造, 可以提供更加丰富多样的业务能力, 例 如,语音识别(ASR, Automatic Speech Recognition ),文本语音转换(TTS, Text To Speech ), 呼叫保持和控制、 分机排队功能、 远端企业人工总机等功 能。
智能平台方式由于所有的呼叫都需要接续到企业总机系统, 从而容易 导致话路迂回。 因此, 釆用智能平台方式实现的虚拟总机系统受限于其系 统容量, 从而导致业务无法大规模开展。
从上面的描述可以看出, 智能网方式可以提供大容量的系统, 但是由 于受限于现网设备的能力, 无法提供丰富多样的业务, 是一种能力受限系 统; 而智能平台方式可以摆脱现网设备能力的限制, 但是由于有严重的话 路迂回, 导致业务无法大规模开展, 是一种容量受限系统。 然而, 目前尚 未提出能够克服智能网方式和智能平台方式的业务总机系统上述问题的技 术方案。 发明内容
本发明的主要目的在于提供一种企业总机平台以及呼叫处理方法, 能 解决业务总机系统能力受限或容量受限的问题, 使业务能够大规模开展。
为了实现上述目的, 本发明提供了一种企业总机平台, 包括企业总机 业务控制点、 企业总机业务交换点、 以及智能外设, 其中, 企业总机业务 控制点包括: 基本呼叫处理模块, 用于判断现网交换设备的能力是否能够 支持交换网业务交换点触发的呼叫, 在判断不能够支持时, 将呼叫发送到 增强业务能力模块; 增强业务能力模块, 用于控制智能外设与企业总机业 务交换点完成与呼叫相关的业务。
此外, 上述基本呼叫处理模块, 进一步用于在判断现网交换设备的能 力能够支持呼叫时, 控制交换网业务交换点对呼叫进行转接。
其中, 基本呼叫处理模块进一步包括: 处理模块, 用于对呼叫进行预 处理, 确定呼叫需要的媒体资源和呼叫控制能力; 评估模块, 用于对现网 交换设备的能力进行评估; 判断模块, 用于判断评估模块评估的现网交换 设备的能力是否能够支持呼叫需要的媒体资源和 /或呼叫控制能力; 通知模 块, 用于在判断模块判断为否时, 通知交换网服务交换点将呼叫发送到增 强业务能力模块。
此外, 上述基本呼叫处理模块进一步包括: 转接模块, 用于在判断模 块判断为是时 , 控制交换网业务交换点对呼叫进行转接。
其中, 上述处理模块具体用于: 通过用户属性和 /或呼叫号码类型确定 呼叫需要的媒体资源和呼叫控制能力。 其中, 处理模块确定呼叫需要的媒体资源为会议资源、 文本语音转换 资源、 和 /或语音识别资源时, 判断模块判断现网交换设备的能力不能够支 持呼叫需要的媒体资源; 处理模块确定呼叫需要的呼叫控制能力为被叫同 振、 多方呼叫、 呼叫保持 /前转、 和 /或分集排队时, 判断模块判断现网交换 设备的能力不能够支持呼叫需要的呼叫控制能力。
本发明还提供了一种呼叫处理方法, 用于上述企业总机平台, 该方法 包括: 企业总机业务控制点的基本呼叫处理模块判断现网交换设备的能力 是否能够支持交换网业务交换点触发的呼叫, 在判断不能够支持时, 将呼 叫发送到增强业务能力模块; 增强业务能力模块控制智能外设以及企业总 机业务交换点完成与呼叫相关的业务处理。
此外, 在基本呼叫处理模块判断现网交换设备的能力能够支持呼叫时, 基本呼叫处理模块控制交换网业务交换点对呼叫进行转接。
此外, 在基本呼叫处理模块判断现网交换设备的能力是否能够支持呼 叫之前, 上述方法还包括: 基本呼叫处理模块接收呼叫, 通过用户属性和 / 或呼叫号码类型确定呼叫需要的媒体资源和呼叫控制能力, 并对现网交换 设备的能力进行评估。
其中, 基本呼叫处理模块判断现网交换设备的能力是否能够支持呼叫 的处理包括: 基本呼叫处理模块判断现网交换设备的能力是否能够支持呼 叫需要的媒体资源和 /或呼叫控制能力。
本发明所提供的企业总机平台以及呼叫处理方法, 通过在企业总机平 台的 SCP中设置基本呼叫处理模块和增强业务能力模块, 解决了相关技术 中釆用智能网方式实现企业总机系统受限于现网设备的能力, 以及釆用智 能平台方式实现企业总机系统受限于现网容量而无法大规模开展业务的问 题, 与基于智能网技术的企业总机系统相比, 本发明提供了更多的业务能 力, 并丰富了企业总机系统的业务特征; 与基于智能平台技术的企业总机 系统相比, 本发明提供了更大的系统容量, 减小了网络迂回开销。 附图说明
图 1 为相关技术中利用智能网技术实现虚拟总机系统的组成结构示意 图;
图 2为相关技术中利用智能平台技术实现虚拟总机系统的组成结构示 意图;
图 3为本发明实施例企业总机平台的组成结构示意图;
图 4为本发明实施例基本呼叫处理模块的组成结构示意图;
图 5为本发明实施例增强业务能力模块的组成结构示意图;
图 6为本发明实施例呼叫处理方法的实现流程示意图;
图 7为本发明实施例中实例 1的信令流程图;
图 8为本发明实施例中实例 2的信令流程图。 具体实施方式
如上所述, 智能网方式的企业总机系统是一种能力受限系统; 而智能 平台方式的企业总机系统是一种容量受限系统, 在对企业总机业务进行分 析后发现, 综合 VPN业务是企业总机系统中使用频率最高的业务, 并且约 80%以上的呼叫都不需要使用复杂的业务逻辑控制和网络能力,而对网络能 力要求较高的呼叫数量较少。
基于以上分析, 本发明提供了一种改进的企业总机平台, 将上述两种 开展方式进行了合理有效的结合, 可以同时具备智能网方式的大容量和智 能平台方式的高能力两种优势, 在本发明实施例的企业总机平台中, 企业 总机平台主要提供两个业务模块: 基本呼叫处理模块和增强业务能力模块, 两个业务模块都在 SCP中实现。
当用户呼叫企业总机平台时, 通过交换网中的 SSP触发业务到企业总 机平台的 SCP, 随后, 由 SCP中的基本呼叫处理模块对呼叫进行预处理, 并对现网交换设备进行能力评估。 如果该呼叫仅仅通过现网交换设备就可 以支持, 则釆用智能网技术, 通过基本呼叫模块控制现网 SSP对呼叫进行 转接。 当基本呼叫模块判断出当前呼叫需要特殊的媒体资源或者需要特殊 的呼叫控制时, 则认为现网设备不能可靠支持这类业务, 将该呼叫的被叫 号码进行变换, 通知现网 SSP将呼叫转呼到企业总机平台的增强业务能力 模块。 在呼叫转呼到企业总机平台后, 由增强业务能力模块控制企业总机 平台提供的 SSP和媒体资源, 完成相应的业务能力。
以下结合附图对本发明的优选实施例进行说明, 应当理解, 此处所描 述的优选实施例仅用于说明和解释本发明, 并不用于限定本发明。
本发明实施例提供了一种企业总机平台, 图 3 为本发明实施例企业总 机平台的组成结构示意图, 如图 3所示, 包括企业总机平台 2、 交换网的业 务交换点 /交换机 4 , 其中, 企业总机平台 2进一步包括: 企业总机业务控 制点 20、 企业总机业务交换点 22、 以及智能外设(IP ) 24, 这里, 企业总 机业务交换点 22也可以称为增强业务能力模块业务交换点; 企业总机业务 控制点 20又包括: 基本呼叫处理模块 202和增强业务能力模块 204。
下面结合附图, 对图 3中的各个模块进行详细说明。
图 4 为本发明实施例中基本呼叫处理模块的组成结构示意图, 如图 4 所示, 基本呼叫处理模块 202包括: 第一处理模块 2020、 评估模块 2022、 判断模块 2024、 第二处理模块 2026、 通知模块 2028。
当用户呼叫企业总机平台 2时, 首先通过交换网 SSP触发业务到企业 总机 SCP 20,企业总机 SCP 20中基本呼叫处理模块 202中的第一处理模块 2020先对该呼叫进行处理, 通过用户属性和 /或呼叫号码类型判断该呼叫需 要的媒体资源和呼叫控制能力; 随后, 基本呼叫处理模块 202 中的评估模 块 2022对现网交换设备如现网 SSP的能力进行评估; 在评估模块 2022进 行评估后, 基本呼叫处理模块 202中的判断模块 2024判断评估模块 2022 评估的现网交换设备的能力是否能够支持媒体资源和呼叫控制能力, 如果 判断模块 2024判断该呼叫仅仅通过现网交换设备就可以支持, 即判断模块 判断为是, 则第二处理模块 2026釆用智能网技术, 通过控制交换网的 SSP/ 交换机 4对呼叫进行转接。 如果判断模块 2024判断出该呼叫需要特殊的媒 体资源, 如会议资源、 TTS资源、 ASR资源; 或者需要特殊的呼叫控制, 如被叫同振、 多方呼叫、 呼叫保持 /前转、 分机排队, 并确定现网设备不能 可靠支持这类业务, 即不能提供特殊的媒体资源或特殊的呼叫控制, 则通 知模块 2028将该呼叫的被叫号码进行变换, 例如, 原始被叫是 A, 增强业 务能力模块 204的服务接入码是 B, 则基本呼叫处理模块 202将用 B+A的 方式将被叫号码呼出, 现网 SSP通过 B来将呼叫路由到企业总机 SSP 22, 并通过企业总机 SSP 22发送到增强业务能力模块 204。
优选地, 在第三代(3G, 3rd Generation ) GSM网络中, 基本呼叫处理 模块 202可以由 CAMEL主 /被叫流程模块基于宽带 GSM智能网构架设计, 该模块和核心网的交换设备 MSC Server釆用 Sigtran承载的 CAMEL协议交 互, 解决了移动用户起呼和终呼时的呼叫双方鉴权处理、 主被叫号码处理、 漫游状态控制、 基本呼叫计费、 路由控制等问题。 CAMEL模块和核心网设 备配合, 控制核心网实现移动用户与简单呼叫相关的语音提示和呼叫控制, 例如呼叫保持、 呼叫前转等功能。
引入 CAMEL模块, 实现了企业内的普通短号呼叫和对企业成员用户 号码 ( Subscriber Number )的普通呼叫,由于这部分呼叫占总话务的大多数, 是系统容量的决定因素, 引入 CAMEL模块可以高效率的完成对这部分呼 叫的控制和处理, 从而大大扩展系统处理能力和系统容量。
图 5 为本发明实施例中增强业务能力模块的组成结构示意图, 如图 5 所示, 本发明实施例的增强业务能力模块 204包括: 接收模块 2040、 控制 模块 2042。
具体地, 在基本呼叫处理模块 202中的判断模块 2024判断现网设备不 能可靠支持呼叫需要特殊的媒体资源或者需要特殊的呼叫控制时, 增强业 务能力模块 204中的接收模块 2040就会接收到企业总机 SSP 22转呼的呼 叫; 在接收模块 2040接收到呼叫后, 增强业务能力模块 204中的控制模块 2042就会控制相应的媒体资源与企业总机业务交换点 22完成与该呼叫相关 的业务。
优选地,在 3G GSM网络中,基于起始会话协议( SIP, Session Initiation Protocol ) 的增强业务能力模 204块提供了高级的呼叫处理, 当呼叫涉及了 有定制个人欢迎词 /彩铃、企业定制的交互式语音应答( IVR, Interactive Voice Response )流程、 自动语音识别拨号、 人工坐席参与的来话排队、 呼叫转接 和控制、 Email 或短信相关的呼叫、 语音信息系统(VMS, Voice Message System ), 呼叫服务中心 (Call Center )等时, 需要更加灵活强大的 SIP增 强业务能力模块 204来进行处理。
与普通呼叫不同, 这部分呼叫数量不多, 但是需要的业务能力要求较 高, 需要处理大量的用户定制语音、 人工坐席参与呼叫、 坐席排队和话机 排队、 语音和数据信息处理等功能, 因此, 引入 SIP增强业务能力模块 204 的高级处理能力对这部分呼叫进行控制和处理, 此外, SIP增强业务能力模 块 204还提供了丰富的第三方接口, 方便对业务能力进行扩展和升级。
通过上述企业总机系统, 将智能网技术和智能平台技术有效结合起来, 提供了一种大容量、 高性能的企业总机系统, 它比基于智能网技术的企业 总机系统提供了更多的业务能力, 丰富了企业总机系统的业务特征, 比基 于智能平台技术的企业总机系统提供了更大的系统容量、 减小了网络迂回 开销。
此外, 通过智能网技术和智能平台技术的有效结合, 为综合 VPN业务 新增加了新颖的业务特征, 例如: 分机排队功能, 使得用户可以绑定多个 终端到一个 VPN短号上, 对该短号的呼叫可以按照一定算法分配到不同终 端上; 此外, 也为企业呼叫中心业务提供了短号互拨功能, 扩展了企业呼 叫中心的业务能力。
并且, 基于智能网技术和智能平台技术的两种企业总机系统可以方便 的升级到本发明提供的企业总机系统, 原有系统的软硬件结构不需要做大 的变更。
需要说明的是, 在不背离所附权利要求阐明的精神和范围的情况下, 可以对上述各个模块进行各种改变以及组合。
图 6为本发明实施例呼叫处理方法的实现流程示意图, 如图 6所示, 本发明实施例提供的呼叫处理方法包括以下处理步骤:
步骤 S602 , 企业总机业务控制点的基本呼叫处理模块接收交换网业务 交换点触发的呼叫, 并通过用户属性和 /或呼叫号码类型确定呼叫需要的媒 体资源和呼叫控制能力, 并对现网交换设备的能力进行评估;
步骤 S604 , 基本呼叫处理模块判断现网交换设备的能力是否能够支持 媒体资源和 /或呼叫控制能力;
步骤 S606 , 如果判断为是, 则基本呼叫处理模块控制交换网业务交换 点对呼叫进行转接;
在基本呼叫处理模块确认呼叫需要特殊的媒体资源、 和 /或需要特殊的 呼叫控制时, 则判断现网交换设备的能力不能够满足媒体资源和呼叫控制 能力, 即: 如果判断为否, 则基本呼叫处理模块通知交换网服务交换点将 呼叫通过企业总机业务交换点发送到企业总机平台的增强业务能力模块; 需要说明的是, 特殊的媒体资源包括以下至少之一: 会议资源、 文本 语音转换资源、 语音识别资源; 特殊的呼叫控制包括以下至少之一: 被叫 同振、 多方呼叫、 呼叫保持 /前转、 分集排队。 步骤 S608,增强业务能力模块接收到企业总机业务交换点发送的呼叫 , 并控制相应的媒体资源以及企业总机业务交换点完成与呼叫相关的业务处 理。
下面结合具体实例对本发明的上述技术方案进行说明。
实例 1 :企业总机系统釆用基本呼叫处理模块对移动核心网进行起呼和 终呼。
图 7为本发明实施例中实例 1的信令流程图, 如图 7所示的信令流程 图中涉及如下实体, 包括: SSP、 HLR、信令接口单元(SIU, Signal Interface Unit ), 以及 SCP; 如图 7所示, 企业总机系统釆用基本呼叫处理模块对移 动核心网进行起呼和终呼包括以下处理步骤:
步骤 701 , 交换网业务交换点 (SSP )通过主叫签约方式触发主叫基本 呼叫处理智能业务到企业总机业务控制点( SCP ),对应于图 6的步骤 S602。
步骤 702, SCP对主叫号码进行分析鉴权, 为了获得主叫号码的位置信 息以确定主叫是否在漫游状态, SCP 向归属位置寄存器 (HLR, Home Location Register )查询主叫位置信息。
步骤 703 , HLR向 SCP返回主叫的位置信息。
步骤 704, SCP根据主被叫信息和主叫位置信息确定主叫费率方案, 并 向 SSP注册基本呼叫状态模型 (BCSM, Basic Call State Model )事件以便 获得 BCSM事件信息。
步骤 705 , SCP将被叫号码由分机短号码变换为真实长号码, 向 SSP 发出接续被叫命令。
步骤 706, SSP向 HLR查询被叫号码的签约信息。
步骤 707, SSP根据被叫号码签约信息触发被叫基本呼叫处理智能业务 到 SCP。
步骤 708,在基本呼叫处理模块中 ,对被叫号码的处理和主叫号码类似, 此外, 在被叫流程中接续的被叫号码需要增加一个路由前缀指示 SSP抑制 查询签约信息的操作。
具体地, 在基本呼叫处理模块对被叫号码的处理中, 步骤 708可以分 为以下四个步骤:
步骤 708a, SCP对被叫号码进行分析鉴权, 向归属位置寄存器查询被 叫位置信息, 以根据获取的被叫号码的位置信息确定被叫是否在漫游状态。
步骤 708b, HLR向 SCP返回被叫的位置信息。
步骤 708c, SCP根据主被叫信息和被叫位置信息确定被叫费率方案, 并向 SSP注册基本呼叫状态模型事件以便获得 BCSM事件信息。
步骤 708d, SCP将主叫号码由分机长号码变换为短号码, 并向 SSP发 送接续被叫命令。
步骤 709, SSP获取附加了路由前缀的被叫号码, SSP去掉该路由前缀, 并向 HLR查询被叫动态漫游号, 呼叫被叫手机。
步骤 710, 主被叫进行通话, 主被叫任何一方挂机则通话结束, SSP上 报挂机 BCSM事件。
步骤 711 , SCP控制释放本次呼叫话路, 并给出主叫话单和被叫话单, 至此呼叫结束。
实例 2:企业总机系统釆用基本呼叫处理模块和增强业务能力模块对移 动核心网进行起呼和终呼。
图 8为本发明实施例中实例 2的信令流程图, 如图 8所示的信令流程 图中涉及如下实体, 包括: 主叫、 SSP、 HLR、 信令接口单元、 企业总机平 台、 媒体服务器; 如图 8所示, 企业总机系统釆用基本呼叫处理模块和增 强业务能力模块对移动核心网进行起呼和终呼包括以下处理步骤:
步骤 801 , 主叫用户起呼企业总机号码, 主叫用户所属 SSP向 HLR查 询企业总机号码的签约信息。 步骤 802, HLR向 SSP返回企业总机号码的被叫签约信息。 步骤 803 , SSP通过初始检测点消息 (IDP, Initial Detect Point )触发 SCP上的基本呼叫处理模块, 对应于图 6中的步骤 S602。
步骤 804, SCP在基本呼叫处理模块中识别出被叫号码是总机号码, 需 要媒体服务器上的语音资源支持, SCP先在 SSP上注册 BCSM事件, 对应 于图 6中的步骤 S606。
步骤 805, SCP将呼叫转呼到增强业务模块上, 此后, 将由增加业务模 块对呼叫进行继续处理, 对应于图 6中的步骤 S608。
步骤 806, SSP响应 SCP的转呼请求, 通过局间信令如 ISUP信令将呼 叫转接到企业总机平台的增强业务模块上。
步骤 807 , 企业总机平台应答来自 SSP 的综合业务数字网用户协议 ( ISUP, ISDN User Protocol )局间信令。
步骤 808,企业总机平台的增强业务模块控制相应的资源模块完成灵活 多样的业务处理。
本实例中, 用户拨打了一个企业话务员组的座席短号码, 在该话务员 组的话务员全忙时, 企业总机平台首选釆用媒体服务器对用户播放排队等 待音,企业总机平台的增强业务模块 SSP将在增强业务模块 SCP的控制下, 选择最新空闲的话务员, 将呼叫接入到该话务员的电话终端上。
步骤 809, 用户和企业总机平台话务员建立通话, 在通话中, 话务员可 以根据用户的指示, 将呼叫前转至其他分机号码上。
步骤 810,在增强业务模块处理结束后,用户挂机, SSP通过局间 ISUP 信令通知企业总机平台。
步骤 811 , 企业总机平台释放增强业务模块和基本呼叫处理模块的呼 叫。
综上所述, 借助于本发明的技术方案, 通过在企业总机平台的 SCP中 设置基本呼叫处理模块以及增强业务能力模块, 解决了相关技术中釆用智 能网方式实现的企业总机系统受限于现网设备的能力, 以及釆用智能平台 方式实现的企业总机系统无法大规模开展业务的问题。
显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤 可以用通用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者 分布在多个计算装置所组成的网络上, 可选地, 它们可以用计算装置可执 行的程序代码来实现, 从而, 可以将它们存储在存储装置中由计算装置来 执行, 或者将它们分别制作成各个集成电路模块, 或者将它们中的多个模 块或步骤制作成单个集成电路模块来实现。 这样, 本发明不限制于任何特 定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于 本领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精 神和原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明 的保护范围之内。

Claims

权利要求书
1、 一种企业总机平台, 包括企业总机业务控制点、 企业总机业务交换 点、 以及智能外设; 其特征在于, 所述企业总机业务控制点进一步包括: 基本呼叫处理模块和增强业务能力模块; 其中,
所述基本呼叫处理模块, 用于判断现网交换设备的能力是否能够支持 交换网业务交换点触发的呼叫, 在判断不能够支持时, 将所述呼叫发送到 增强业务能力模块;
所述增强业务能力模块, 用于控制所述智能外设与所述企业总机业务 交换点完成与所述呼叫相关的业务。
2、 根据权利要求 1所述的企业总机平台, 其特征在于, 所述基本呼叫 处理模块, 进一步用于在判断所述现网交换设备的能力能够支持所述呼叫 时, 控制所述交换网业务交换点对所述呼叫进行转接。
3、 根据权利要求 1所述的企业总机平台, 其特征在于, 所述基本呼叫 处理模块进一步包括: 处理模块、 评估模块、 判断模块和通知模块; 其中, 所述处理模块, 用于对所述呼叫进行预处理, 确定所述呼叫需要的媒 体资源和呼叫控制能力;
所述评估模块, 用于对所述现网交换设备的能力进行评估;
所述判断模块, 用于判断所述评估模块评估的所述现网交换设备的能 力是否能够支持所述呼叫需要的媒体资源和 /或呼叫控制能力;
所述通知模块, 用于在所述判断模块判断为否时, 通知所述交换网服 务交换点将所述呼叫发送到增强业务能力模块。
4、 根据权利要求 3所述的企业总机平台, 其特征在于, 所述基本呼叫 处理模块进一步包括:
转接模块, 用于在所述判断模块判断为是时, 控制所述交换网业务交 换点对所述呼叫进行转接。
5、 根据权利要求 3所述的企业总机平台, 其特征在于, 所述处理模块 具体用于: 通过用户属性和 /或呼叫号码类型确定所述呼叫需要的所述媒体 资源和所述呼叫控制能力。
6、 根据权利要求 3至 5任一项所述的企业总机平台, 其特征在于, 所述处理模块确定所述呼叫需要的媒体资源为会议资源、 文本语音转 换资源、 和 /或语音识别资源时, 所述判断模块判断所述现网交换设备的能 力不能够支持所述呼叫需要的媒体资源;
所述处理模块确定所述呼叫需要的呼叫控制能力为被叫同振、 多方呼 叫、 呼叫保持 /前转、 和 /或分集排队时, 所述判断模块判断所述现网交换设 备的能力不能够支持所述呼叫需要的呼叫控制能力。
7、 一种呼叫处理方法, 用于权利要求 1所述的企业总机平台, 其特征 在于, 所述方法包括:
企业总机业务控制点的基本呼叫处理模块判断现网交换设备的能力是 否能够支持交换网业务交换点触发的呼叫, 在判断不能够支持时, 将所述 呼叫发送到增强业务能力模块;
所述增强业务能力模块控制智能外设以及企业总机业务交换点完成与 所述呼叫相关的业务处理。
8、 根据权利要求 7所述的方法, 其特征在于, 在所述基本呼叫处理模 块判断现网交换设备的能力能够支持所述呼叫时, 所述基本呼叫处理模块 控制所述交换网业务交换点对所述呼叫进行转接。
9、 根据权利要求 7或 8所述的方法, 其特征在于, 在所述基本呼叫处 理模块判断现网交换设备的能力是否能够支持所述呼叫之前, 所述方法还 包括:
所述基本呼叫处理模块接收所述呼叫, 通过用户属性和 /或呼叫号码类 型确定所述呼叫需要的媒体资源和呼叫控制能力, 并对现网交换设备的能 力进行评估。
10、 根据权利要求 9所述的方法, 其特征在于, 所述基本呼叫处理模 块判断现网交换设备的能力是否能够支持所述呼叫具体为:
所述基本呼叫处理模块判断所述现网交换设备的能力是否能够支持所 述呼叫需要的媒体资源和 /或呼叫控制能力。
11、 根据权利要求 10所述的方法, 其特征在于, 所述呼叫需要的媒体 资源为会议资源、 文本语音转换资源、 和 /或语音识别资源;
所述呼叫需要的呼叫控制能力为被叫同振、 多方呼叫、呼叫保持 /前转、
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