CN106331385A - 95598 call center pressure test system and method based on SIP relay - Google Patents

95598 call center pressure test system and method based on SIP relay Download PDF

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Publication number
CN106331385A
CN106331385A CN201610695847.5A CN201610695847A CN106331385A CN 106331385 A CN106331385 A CN 106331385A CN 201610695847 A CN201610695847 A CN 201610695847A CN 106331385 A CN106331385 A CN 106331385A
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China
Prior art keywords
call center
call
test
sbc
ivr
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CN201610695847.5A
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CN106331385B (en
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张鑫
黄鑫
李芹
李文猛
王艺桦
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State Grid Corp of China SGCC
Nanjing NARI Group Corp
State Grid Electric Power Research Institute
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State Grid Corp of China SGCC
Nanjing NARI Group Corp
State Grid Electric Power Research Institute
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Priority to CN201610695847.5A priority Critical patent/CN106331385B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/36Statistical metering, e.g. recording occasions when traffic exceeds capacity of trunks
    • H04M3/362Traffic simulation
    • 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

Abstract

The invention discloses a 95598 call center pressure test system and method based on SIP relay. The method comprises the following steps: connecting an SBC session border control module of a call center, and establishing SIP-based on-line communication with the call center; establishing four test items based on load type of the call center, call center service flows corresponding to the four test items being: SBC-IVR/CTI, SBC-IVR/CTI-Alcatel OXE-manual service agents, SBC-IVR/CTI-service query and hybrid service, and establishing a corresponding test script for each test item; carrying out the test scripts in mass, establishing a big user call concurrent call-incoming call center, and receiving response returned by the call center, and monitoring operating state of each path of communication; and according to the operating states of all communications, obtaining performance index of each test item. The platform performance indexes of the call center under different load models can be measured through the method, and the system and method provide powerful support for performance bottleneck analysis and upgrading and reconstruction of the 95598 call center.

Description

A kind of 95598 call center's pressure testing system and methods based on SIP trunk
Technical field
The present invention relates to communication technology technical field of measurement and test, be specifically related to a kind of 95598 call centers based on SIP trunk Pressure testing system and method.
Background technology
Call center (call center) is also known as Customer Service Center, and it is in the call based on telephony access The heart, be built upon Computers and Communication integrated (computer telecommunication integration, CTI) technology it On muiti-media network management system.Call center, by being optimized information, concentrates and realizes linking up, servicing and produce commander Etc. function, effectively provide high-quality, high efficiency, comprehensive service for client.For adapting to Power grid commercial operation needs, open Opening up electricity market, various places electric power enterprise started to introduce developed country's power marketing service theory in recent years, used modern communication networks Network technology, sets up modern electric Customer Service Center 95598 information system.
Along with the in-depth construction of " three collection five big " system, State Grid Corporation of China 95598 call centers are proposed intensive, The requirement of scale operation, determines to implement centralized 95598 call center services patterns.Along with 95598 business integrations, the most entirely The call business of net 26 provinces and cities focuses on base, north and south Liang Ge service centre and processes.Liang Ge Customer Service Center has each concentrated ten Several provinces and cities telephone traffic, higher to the performance requirement of system platform, and 95598 traffic curves are in plateau at ordinary times, When having the accidents such as massive blackout, telephone traffic can be uprushed, and this more tests 95598 call platforms and accesses at experience Bulk Call Time stability and reliability.
In order to ensure stability and the reliability of 95598 call center systems, this guarantees in emergency situations and saturated service Under can normally work, this needs to carry out stress test, fully understands systematic function, expose the systematic function that may cause in advance therefore The hidden danger of barrier.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that a kind of 95598 callings based on SIP trunk Center pressure test system and method, the 95598 Call Center Platform performances recorded under different loads model by the method are referred to Mark, is the performance bottleneck analysis of 95598 call centers and upgrading provides strong support.
For solving above-mentioned technical problem, the invention provides a kind of 95598 call center's stress tests based on SIP trunk System, is characterized in that, including communication unit, test item creating unit, calling transmitting element, talking state monitor unit and result Identifying unit;
Described communication unit, for setting up online communication based on Session Initiation Protocol with call center;
Described test item creating unit, for setting up the test item of each operation flow in corresponding call center respectively, for each Test item creates the corresponding test script operation flow with traversal correspondence;
Described calling transmitting element, for performing the test script of each test item respectively, creates high-volume calling concurrent Send to call center;
Described talking state monitor unit, returns for receiving call center during call traverses correspondence operation flow Response, obtain and show each road converse running status;
Described result identifying unit, for judging corresponding according to the running status of calls all in each test item respectively Performance indications.
Further, the operation flow of call center include between SBC and IVR/CTI, SBC-IVR/CTI- AlcatelOXE turns operator attendance, SBC-IVR/CTI-turns service inquiry and mixed service.
Further, performance indications include CAPS value, BHCA value and the most online maximum number.
Accordingly, a kind of based on SIP trunk 95598 call center's method for testing pressure of the present invention, it is characterized in that, bag Include following steps;
Step one, connects the SBC session-orient E-Service module of call center, sets up based on Session Initiation Protocol with call center Online communication;
Step 2, loadtype based on call center sets up four test items, the calling that four test items are the most corresponding Center service flow process is: between SBC and IVR/CTI, SBC-IVR/CTI-AlcatelOXE turn operator attendance, SBC-IVR/CTI- Turn service inquiry and mixed service, create corresponding test script to travel through corresponding operation flow for each test item;
Step 3, high-volume performs the test script of each test item respectively, creates large user and calls concurrent incoming call Center, receives the response that call center returns during call traverses correspondence operation flow, monitors that the call of each road runs shape State;
Step 4, according to the running status of calls all in each test item, it is determined that the CAPS value of each test item, BHCA value Number the most online with maximum.
Further, the test script editing process of each test item is, first configuration call number and calling IP address, Converse in the every road of INVITE, the voice message sound that then voice match call center returns, and simulation DTMF button selects, traversal Each operation flow of call center, between arranging during call hold, the last air time to BYE terminates call.
Further, the call at concurrent incoming call center is per second sends at least 5000.
Compared with prior art, the present invention is reached to provide the benefit that: the present invention builds based on call center's operation flow Vertical four test items, create large user and call concurrent incoming call center, travel through each operation flow, obtain each test item Performance indications, effectively achieve employing objective appraisal means and comment 95598 call center system capacity and disposal ability Valency, fully understands systematic function, exposes the hidden danger of the systematic function fault that may cause in advance, it is ensured that 95598 call centers exist Can normally work under emergency situations and saturated service, promoting for this platform property provides foundation.
Accompanying drawing explanation
Fig. 1 is the network structure of 95598 call centers in prior art.
Fig. 2 is the test topology figure of call center of the present invention.
Fig. 3 is the Scripting Edition flow chart of the present invention.
Fig. 4 is the SIP trunk protocol interaction figure of the present invention.
Fig. 5 is the testing procedure FB(flow block) of the present invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating the present invention Technical scheme, and can not limit the scope of the invention with this.
In prior art, the network structure of 95598 call center systems of power system is as it is shown in figure 1, include operator Switch, SBC session-orient E-Service module (being called for short SBC), IVR automatic voice responding module (being called for short IVR), CTI regulate and control integrated Module (be called for short CTI), Alcatel OXE switch (including auto-calling distribution module, be called for short ACD), artificial service system and Service query system, wherein provider switch is connected SBC session-orient E-Service module based on Session Initiation Protocol, and user calls warp Provider switch uses Session Initiation Protocol to send out and passes to SBC session-orient E-Service module, and SBC session-orient E-Service module is to calling Carrying out passing to IVR automatic voice responding module after SIP planningization processes, IVR automatic voice responding module provides automatic speech Interactive services, the offer incoming call answer service that interactively enters based on user services with actively exhalation, and CTI regulation and control integration module carries For call state transmission and control, calling being transferred to Alcatel OXE switch, Alcatel OXE switch is according to user The incoming call demand of input is by calling connection artificial service system or service query system, and wherein artificial service system includes queuing mould Block and attending a banquet, missed call, for ranking incoming call, deposited in buffer area according to incoming call time sequencing by queue module, and one Denier detects that idle seating, distribution calling connection are attended a banquet.
From the foregoing, 95598 call centers are the service architectures of a kind of serial in prior art, it is divided into three kinds of load moulds Type:
1, calling turns operator attendance, and calling is through provider switch > SBC > IVR/CTI > Alcatel OXE > PBX queue up and attend a banquet.
2, calling turns self-assisted voice service inquiry, and calling is through provider switch > SBC > IVR/CTI > business Inquiry service.
3, mixed model, support call simultaneously turns operator attendance and calling turns service inquiry.
Stress test is to calculate bottleneck that call center system applies under Bulk Call or can bear Limit load, determine the disposal ability of system, thus ensure properly functioning under actual pressure of system.The property of stress test Can index generally use three below parameter to weigh: busy hour call amount (BHCA), per second set up call number (CAPS) and prop up Hold the most online number of user's maximum.BHCA mainly tests content: within an hour, and system can set up the absolute of call connection Quantitative value, it reflects the combination property of the software and hardware of equipment.BHCA value is finally presented as that CAPS (per second sets up calls Amount), computing formula is: BHCA=CAPS*3600.A BHCA and CAPS two indices substantially concept, only needs test CAPS.Maximum attends a banquet number or call center's maximum can support how many users simultaneously to support user's maximum simultaneously online number to refer to Access, namely maximum telephone traffic.Telephone traffic formula is: A=CAPS*Time, A are telephone traffics, and TIME is that per call is average Taking duration, unit is the second.The such as call center number of calls of at most can setting up per second is 20 times, when each call averagely takies A length of 30 seconds, then the open ended maximum telephone traffic in call center is 600.Attend a banquet build because each traffic is required for one Vertical, so the corresponding supported maximum in call center is attended a banquet, number is 600.
A kind of based on SIP trunk 95598 call center's pressure testing systems of the present invention, call center is as tested system System, pressure testing system includes, including communication unit, test item creating unit, calling transmitting element, talking state monitor unit With result identifying unit;
Described communication unit, for setting up online communication based on Session Initiation Protocol with call center;
Described test item creating unit, for setting up the test item of each operation flow in corresponding call center respectively, for each Test item creates the corresponding test script operation flow with traversal correspondence;
Described calling transmitting element, for performing the test script of each test item respectively, creates high-volume calling concurrent Send to call center;
Described talking state monitor unit, returns for receiving call center during call traverses correspondence operation flow Response, obtain and show each road converse running status;
Described result identifying unit, for judging corresponding according to the running status of calls all in each test item respectively Performance indications.
Further, the operation flow of call center include between SBC and IVR/CTI, SBC-IVR/CTI-Alcatel OXE turns operator attendance, SBC-IVR/CTI-turns service inquiry and mixed service.
A kind of based on SIP trunk 95598 call center's method for testing pressure of the corresponding present invention, as it is shown in figure 5, bag Include following steps;
Step one, connects the SBC session-orient E-Service module of call center, sets up based on Session Initiation Protocol with call center Online communication.
First test environment is built, as in figure 2 it is shown, exchange with the operator in test system replacement call center system Machine, direct-connected with SBC, simulate 95598 call requests entered from provider switch, call with Session Initiation Protocol mode incoming call 95598 Centring system, the whole call flow of traversal call center.
Communication unit is including at least the SBC interconnection of two network interfaces with call center, and the IP address of two network interfaces is arranged Difference, purpose IP can configure the IP of same SBC, it is also possible to differently configured IP address.
Step 2, loadtype based on call center sets up four test items, the calling that four test items are the most corresponding Center service flow process is: between SBC and IVR/CTI, SBC-IVR/CTI-Alcatel OXE turn operator attendance, SBC-IVR/ CTI-turns service inquiry and mixed service, creates corresponding test script to travel through corresponding operation flow for each test item.
In the service mode of 95598 call centers, it is the structure of a kind of serial, in conjunction with the load module of call center, Integrated testability is divided into four test subitems, is respectively as follows:
1) performance indications between test SBC and IVR/CTI, i.e. test call turns the CAPS between SBC and IVR/CTI The most online number of value, BHCA value and maximum, main test IVR/CTI performance based on Session Initiation Protocol.
2) test SBC-IVR/CTI-Alcatel OXE turns the performance indications of operator attendance, i.e. test call turns SBC- IVR/CTI-Alcatel OXE turns the CAPS value between operator attendance, BHCA value and the most online maximum number.
3) test the performance indications of SBC-IVR/CTI-self-assisted voice service inquiry, i.e. test call turns SBC-IVR/CTI- Turn the CAPS value between service inquiry, BHCA value and the most online maximum number.
4) performance index value of test mixing business, i.e. configures two groups of users and initiates respectively to turn operator attendance calling with self-service Speech business query call, test CAPS value, BHCA value and the most online maximum number.
Test script program according to call center's each test item of operation flow editor, it is known that call communication follows SIP Agreement, utilizes INVITE and BYE set up and discharge multiple calling in shell script, and every road Invite represents a user, mould Intending subscriber dialing " 95598 ", the flow chart of test script is as it is shown on figure 3, the operation flow detailed process of each test item is:
1) the mark test script that between editor's test SBC and IVR/CTI, performance refers to: first arranging called number is 95598, quilt Making end IP be set to the IP address of call center SBC, INVITE sets up after calling 95598, voice match call center end is passed back " welcome " after, simulation dtmf dialing enters next step by " #1 ", then voice match call center end pass back " language selects Select ", simulation dtmf dialing " #1 " selects Chinese, calling to be passed to IVR/CTI module, until actively sending BYE to terminate call.
2) editor's test SBC-IVR/CTI-Alcatel OXE turns the test script of operator attendance performance indications: corresponding negative Carrying model 1, first arranging called number is 95598, and called end IP is set to the IP address of call center SBC, and INVITE sets up and exhales Cry after 95598, after " welcome " that voice match call center end is passed back, simulation dtmf dialing enters next step by " #1 ", voice " speech selection " that match calls center-side is passed back, simulation dtmf dialing " #1 " selects Chinese, calling to be transferred into IVR/CTI mould Block, by IVR/CTI module configuration route, " main menu " that voice match call center end is passed back, simulation dtmf dialing " #2 " choosing Select operator attendance, calling is proceeded to Alcatel OXE, Alcatel OXE attending a banquet of free time is distributed in calling, call is set Retention time, until actively sending BYE to terminate call.
3) test script of editor's test SBC-IVR/CTI-service inquiry performance indications: corresponding load module 2, configures quilt Code of calling out the numbers is 95598, and called end IP is set to the IP address of call center SBC, after INVITE sets up calling 95598, and voice After joining " welcome " that call center's end is passed back, simulation dtmf dialing enters next step by " #1 ", and voice match call center end passes " speech selection " returned, simulation dtmf dialing " #1 " selects Chinese, calling to be transferred into IVR/CTI module, by IVR/CTI module Configuration route, " main menu " that voice match call center end is passed back, simulation dtmf dialing " #1 " selects self-assisted voice business to look into Ask service, calling is proceeded to service inquiry service, " main menu " that voice match call center end is passed back, simulates dtmf dialing " # 1 " service of self-assisted voice service inquiry is selected, between arranging during call hold, until actively sending BYE to terminate call.
4) test script of editor's test mixing service feature desired value: corresponding load module 3, is respectively configured step 2) and 3) two kinds of test scripts in, give two groups of users, and two groups of users initiate calling to tested 95598 call centers simultaneously.
Step 3, high-volume performs the test script of each test item respectively, creates large user and calls concurrent incoming call Center, receives the response that call center returns during call traverses corresponding service flow process, monitors that the call of each road runs shape State;
Perform the test script that edits of above step, initiate large user's calling to call center, per second send at least 5000 invite.
Fig. 4 showing, analog subscriber makes a call to the interacting message of 95598 turns of operator attendances, performs the invite that test script starts Call and be forwarded to IVR/CTI through SBC conversion IP address (realizing nat feature, the screening of calls central interior network architecture), pass through IVR voice Self-Service, simulation dtmf dialing selects to turn and is manually sent to IVR/CTI, Alcatel OXE route user's Call request is transmitted to attend a banquet, it is achieved call;After call keeps the time set, until test script sends BYE and terminates call.
Receive the call running status response that call center returns simultaneously, obtain each road call running status, call fortune Row state mainly includes that the call of every road is the most normal, the time delay of call, shake.Time delay and the shake of call are used to judge voice Speech quality.Wherein voice call quality is subjective analysis, it is thus achieved that MOS value, and this MOS model analysis belongs to prior art.
Step 4, according to the running status of all calls of each test item, it is thus achieved that the CAPS value of each test item, BHCA Value and the most online maximum number.
Add up the success rate of communication of large user's concurrent call, voice call quality in each test item, it is thus achieved that each test CAPS value and the maximum of item count the most online.
First intended CAPS value is set, performs step 3, determine concurrent call quantity according to CAPS value, if all Success rate and the voice call quality of call meet the requirements, and just explanation reaches this CAPS value, is then gradually increased concurrent call Quantity, until call loss (success rate of call and voice call quality) reaches minimum standards, concurrent call quantity the most now is i.e. For CAPS value.The most online maximum number and BHCA value, obtain according to CAPS value.
A kind of based on SIP trunk 95598 call center's pressure testing system and the methods that the present invention proposes, by electricity In Force system, actual test has carried out substantial amounts of experimental verification effectiveness of the invention and stability.The present invention is easily achieved, And it is stable and reliable for performance.The present invention sets up four test items, concurrent incoming call center, traversal based on call center's operation flow Each operation flow, obtains the performance indications of each test item, effectively achieves employing objective appraisal means to 95598 callings Centring system capacity and disposal ability are evaluated, and fully understand systematic function, expose the systematic function event that may cause in advance The hidden danger of barrier, it is ensured that 95598 call centers can normally work under emergency situations and saturated service, carries for this platform property For foundation.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and modification, these improve and modification Also should be regarded as protection scope of the present invention.

Claims (5)

1. 95598 call center's pressure testing systems based on SIP trunk, is characterized in that, including communication unit, test item Creating unit, calling transmitting element, talking state monitor unit and result identifying unit;
Described communication unit, for setting up online communication based on Session Initiation Protocol with call center;
Described test item creating unit, for setting up the test item of each operation flow in corresponding call center respectively, for each test Item creates the corresponding test script operation flow with traversal correspondence;
Described calling transmitting element, for performing the test script of each test item respectively, creates high-volume calling and concurrently sends To call center;
Described talking state monitor unit, for receiving the sound that call center returns during call traverses correspondence operation flow Should, obtain and show each road call running status;
Described result identifying unit, for respectively according to the running status corresponding performance of judgement of calls all in each test item Index.
A kind of 95598 call center's pressure testing systems based on SIP trunk the most according to claim 1, is characterized in that, The operation flow of call center includes between SBC and IVR/CTI, SBC-IVR/CTI-AlcatelOXE turns operator attendance, SBC- IVR/CTI-turns service inquiry and mixed service.
A kind of 95598 call center's pressure testing systems based on SIP trunk the most according to claim 1, is characterized in that, Performance indications include CAPS value, BHCA value and the most online maximum number.
4. 95598 call center's method for testing pressure based on SIP trunk, is characterized in that, comprise the following steps;
Step one, connects the SBC session-orient E-Service module of call center, sets up based on Session Initiation Protocol online with call center Communication;
Step 2, loadtype based on call center sets up four test items, the call center that four test items are the most corresponding Operation flow is: between SBC and IVR/CTI, SBC-IVR/CTI-AlcatelOXE turns operator attendance, SBC-IVR/CTI-is transferred to civilian work Business inquiry and mixed service, create corresponding test script to travel through corresponding operation flow for each test item;
Step 3, high-volume performs the test script of each test item respectively, creates large user and calls concurrent incoming call center, During call traverses correspondence operation flow, receive the response that call center returns, monitor each road call running status;
Step 4, according to the running status of calls all in each test item, it is determined that the CAPS value of each test item, BHCA value and Count online during Datong District.
A kind of 95598 call center's method for testing pressure based on SIP trunk the most according to claim 4, is characterized in that, The call at concurrent incoming call center is per second sends at least 5000.
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CN110198256A (en) * 2019-06-28 2019-09-03 上海智臻智能网络科技股份有限公司 Method for testing pressure, the client terminal nucleus number of interactive voice answering system determine method and device, storage medium, terminal
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CN110198256B (en) * 2019-06-28 2020-11-27 上海智臻智能网络科技股份有限公司 Client terminal core number determining method and device, storage medium and terminal
CN111464363A (en) * 2020-04-14 2020-07-28 中国银行股份有限公司 Performance test method, device and system of self-service voice service system
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