Abstract:
The invention allows a customer to self-provision the routing of non-geographic calls along a communication network. The customer is allowed to interface a computer with terminating switches and network control point databases so that routing information regarding the transmission of non-geographic calls across the communication network can be added, edited or reconfigured according to the customer&#39;s calling requirements. First, the customer accesses the communications network and requests a non-geographic number. Second, if the non-geographic number is available, the customer can input information regarding internal routing numbers or implement various calling schemes such as time of day calling. Third, the customer can access trunk information on terminating switches and modify the trunk names as requirements in the customer&#39;s communication network change. The customer self-provisioning capability eliminates tasks performed by the service provider, such as routing translations and routing arrangements, and allows the customer greater control and quicker responses to the implementation of routing changes, reduces cycle time for the introduction of new services and reduces costs for service providers.

Description:
FIELD OF THE INVENTION 
     This invention relates to a method and apparatus for a customer to remotely provision their telecommunication network. Specifically, the invention provides the customer with direct access, control and real-time support of the provisioning of internal routing numbers and outpulsed digits for non-geographic calls routed to the customer&#39;s communication equipment. 
     BACKGROUND 
     Currently, customer PBX technical detail data is collected by the sales and ordering process conducted by the telecommunication service provider. This information is routinely passed through a variety of processes and/or systems in the service provider&#39;s telecommunications network and provisioning systems, resulting in increased time delays, potentially allowing for defective provisioning data and adding to the cost overhead of the service provider. Under the current scheme, the service provider assigns non-geographic calling numbers, then assigns internal routing numbers and outpulsed digits at the terminating switch. 
     A need exists for a process where the service provider allows the customer controlled access to the databases located in the Network Control Point (NCP). By allowing the customer access to the databases supporting non-geographic calling, the service provider can offer the customer lower cost services, faster provisioning times and greater control over the incoming non-geographic calls to the customer&#39;s telecommunication equipment. 
     SUMMARY 
     This invention allows the customer access to the databases located on the network control point (NCP) of a service provider so that the customer can allocate, change and provision internal routing numbers and outpulsed digits for non-geographic calling that are routed to the customer&#39;s telecommunication equipment. The service provider continues to make the physical connections between a communication network node, typically a terminating switch and the customer&#39;s telecommunication equipment. Typically, the customer&#39;s telecommunication equipment is a PBX system. The customer would access the service provider&#39;s provisioning databases for non-geographic calling on a network control point (NCP) and would search for specific trunk names assigned to the customer. The customer could then direct the network changes necessary to complete their calls on the service provider&#39;s network. Once the routing numbers and the outpulsed digits are assigned by the customer, the new trunk group names and associated internal routing numbers are broadcast to the communication network to update the call routing systems on the network. All of the switches connected to the communication network automatically build appropriate translations to point non-geographic calling traffic to a node on the communication network that functions as the customer&#39;s terminating switch. 
     As operating conditions change for the customer, the customer will have the ability to update the provisioning information on a real-time basis, if necessary. This process reduces the chance for defects in the provisioning data and order transcription and reduces costs due to the decrease in cycle time for service provider provisioning of non-geographic calling such as non-geographic calling such as toll-free calling. This invention significantly changes the current direction for telecommunication service provisioning from a service provider focused provisioning to a customer focus/control of provisioning their own service. 
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS 
     The summary of the invention, as well as the following detailed description of preferred embodiments, is better understood when read in conjunction with the accompanying drawings, which are included by way of example, and not by way of limitation with regard to the claimed invention. 
     FIG. 1 illustrates the prior art process of call provisioning for non-geographic calling on a communication network. 
     FIG. 2 a  illustrates the provisioning of data by the customer. 
     FIG. 2 b  illustrates the assignment of trunk names to the agent groups by the customer. 
     FIG. 3 illustrates the customer provisioning of new trunk group names. 
     FIG. 4 illustrates the customer provisioning of the internal routing numbers and outpulsed digits in the databases located on the network control point. 
     FIG. 5 illustrates a customer system for provisioning the data records supporting the routing of 1-YYY non-geographic calls over a communication network 
    
    
     DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS 
     FIG. 1 illustrates the prior art process of the service provider supporting call provisioning of non-geographic calls on a network. In the prior art process, the service provider  100  provisions the switches on the network for call routing of the non-geographic calls such as calls, and calls to 500, 700 and 900 numbers. Non-geographic calling are calls made to those numbers beginning with a 1-YYY prefix where the YYY does not represent the location of a switch. Examples of this dialed number representation include 500 (personal number designation), 700 (data services designation), 800 (toll-free calling designation), 877 (toll-free calling designation), 888 (toll-free calling designation) and 900 (calling party billing designation) area codes. Some interexchange carriers might designate other 1 -YYY numbers in addition to these sequences of area codes for non-geographic related calling. 
     When a user  102  places a non-geographic designated call, the call is connected to an end office  104  that supports a plurality of users  102 . The end office  104  is connected to either an access tandem switch  106  that is in turn connected to an originating switch  108  or the end office  104  is connected directly to the originating switch  108  (not shown). The access tandem switch  106  interfaces with a service control point (SCP)  110  so that routing information can be exchanged ensuring that the proper interexchange carrier is utilized. The carrier identification code  112  obtained from the SCP  110  is transmitted to the access tandem switch  106  so that the 1-YYY non-geographic call can be sent on the proper interexchange carrier&#39;s communication network. 
     When the originating switch  108  receives a non-geographic call from a user  102 , the originating switch  108  transmits the called number digits to a network control point (NCP)  114 . The NCP  114  accesses the customer record  116  corresponding to the non-geographic called number from a database typically located within the NCP  114  that contains customer data regarding the non-geographic called number. The customer record  116  contains data on the non-geographic dialed number digits  118 , the internal routing numbers (IRN)  120  and other information regarding that customer. Currently, the customer&#39;s data within the customer record  116  is provisioned, maintained and serviced by the service provider  100 . This information is required because the non-geographic call contains no geographic routing information regarding the call. The customer data can contain information well known by those skilled in the art such as the time of day routing scheme or other commonly known processes for routing the non-geographic dialed number to different IRNs  120 . Time of day routing causes the NCP  114  to route the 1-YYY call to a first IRN  122  during certain times of the days and to a second IRN  122  during other times of the day. An alternative process could be based on call volume. If the call volume to the non-geographic dialed number is sufficiently high to warrant placing the caller into a queue when routing the call to a first IRN  122 , then instead of placing the calls into a queue, the NCP  114  routes the non-geographic dialed number to a second IRN  122 . 
     After the NCP  114  obtains the toll call routing number from the customer record  116  in the database, the NCP  114  transmits an IRN  122  to the originating switch  108 . The originating switch  108  transmits the call to a network node that functions as a terminating switch  124 . The service provider  100  provisions the network node or terminating switch  124  so that the incoming IRNs  122  are routed to assigned trunk groups, outpulses the appropriate digits and handles trunk overflow patterns. 
     Connected to the network node or terminating switch  124  typically is customer equipment such as a PBX system  126 . The PBX system  126  routes the MRN  122  to the assigned agent group  128 ,  130  or  132  by the automated attendant feature on the PBX system  126 . The different agent groups  128 ,  130  or  132  could be represented in a computer company by agent group  128  (technical support), agent group  130  (individual sales) and agent group  132  (government sales). 
     Currently, the basic format for the internal routing number is SSS-TTT. The first two digits of the internal routing number indicate the destination switch for the call. For example, if the routing number was  979 , the routing number  979  could be assigned to a switch in downtown Chicago, Ill. The next three digits, indicated by the symbol TTT, indicates the trunk group assigned to the switch. If the routing number was  979 - 001 , the call would be routed to the  979  switch located in downtown Chicago, Ill. and along the trunk group associated with the  001  TTT. The PBX system connected to the first trunk group  001  may have operators assigned to receive incoming calls from the PBX system. These operators may be tasked to perform different customer support operations classified by the various incoming trunk groups  128 ,  130  and  132 . 
     The PBX system  126  can also provide automatic number identification (ANI) to the assigned agent groups  128 ,  139  or  132 . ANI allows the called party to receive data regarding the calling number. This data can include information regarding prior call history of the calling party to the called number as well as more specific information, such as the type of products purchased by the calling party from the party supporting the 1-YYY number. 
     The PBX system  126  receives the dialed number identification service (DNIS)  134  data from the network node or terminating switch  124  providing additional information regarding the incoming non-geographic call. An example of this level of customer support by ANI is for a computer company. The computer company maintains a non-geographic technical support number. When a customer of the computer company calls the non-geographic technical support number, ANI supplies the customer&#39;s calling number to the computer company&#39;s database. When a technical support representative answers the call, the technical support representative has on a computer screen the customer&#39;s name, address, previous product purchases, specifications on the products the customer purchased from the computer company and the call history of the customer regarding the company products owned by the customer. 
     FIG. 2 a  illustrates the customer performing the provisioning of the NCP databases  200  with information required for the network to route the non-geographic call. The customer  202  requests a non-geographic number  204 , 1-YYY-1 from a service provider&#39;s communication network. In some instances, the customer  202  will require more than one non-geographic 1-YYY number ( 1-YYY-2 and 1-YYY-3) or will require another non-geographic number because the first number requested is already reserved by another customer. The customer&#39;s request  204  is typically made from the customer&#39;s communication equipment  202  to the service provider&#39;s network provisioning database  200 . The network assigns  206  an available non-geographic number 1-YYY based on the customer&#39;s request if the 1-YYY non-geographic number is available. Once the customer  202  has modified obtained the 1-YYY non-geographic number, the IRN  208  is updated in the service provider&#39;s records  210 . 
     For example, a customer might request a non-geographic number such that the non-geographic number spells out a trademark, service mark or some other term for callers to identify the non-geographic number to the customer. If the customer requests a non-geographic telephone number such as the toll-free number 1-800-GET-LOST for map services, the number 1-800-GET-LOST corresponds to the dialed digits 1-800-438-5678. If the toll-free number 1-800-438-5678 was previously assigned to customer two, then customer one must select another slogan to correspond to the desired 1-YYY dialed number. 
     FIG. 2 b  illustrates the customer provisioning of the PBX system  250 . The customer requests trunk group connectivity from the service provider so that the trunk groups can be physically connected to the PBX system  250 . Typically, the service provider will continue to maintain and establish the physical connectivity  258  of the PBX system  250  to the service provider&#39;s other network nodes and/or terminating switches, but the customer will establish the provisioning of the data for the various signaling and routing systems. The customer will also support and provision the routing for the various agent groups  252 ,  254  and  256 . 
     FIG. 3 illustrates a customer system in accordance with the invention for establishing the trunk groups for the 1-YYY calls. After the service provider  300  has completed the physical connections and established the physical connectivity  302  between the customer&#39;s system  304  and the network  306 , the customer  308  requests the trunk group names  310  for the trunk groups  302  connected by the service provider  300 . The network node or terminating switch  312  returns the trunk group names  314  with their corresponding internally generated IRNs  316  to the customer  308 . 
     Once the trunk group names  314  and internal routing numbers  316  are provisioned by the customer  308 , the network node or terminating switch  312  broadcasts  318  the trunk group translations  320  and their assignments  322  to the other network nodes and/or switches  324  that are on the network  304 . The communication network nodes and/or switches  324  translate the internal routing numbers automatically upon receiving the broadcast  318 . Once the new trunk group names  314  and internally generated IRNs  316  are established on the network  306 , the trunk group  302  automatically communicates through the signaling network system that the trunk group  302  exists and its correct location. Therefore, all incoming calls to the network node and/or terminating switch  312  are automatically routed to the requested trunk group agents  326 ,  328  and  330 . 
     FIG. 4 illustrates the customer&#39;s system provisioning of the customer and network records contained in the databases supporting the nodes or switches on the communication network. The customer&#39;s system  400  accesses the customer&#39;s record  402  located in databases maintained at the network control points, and inputs or loads the following information: (1) IRN numbers  404  associated with the trunk names, (2) trunk group names  406  to route the call on; (3) YYY numbers  408  and (4) the associated outpulsed digits  410 . It is these outpulsed digits  410  that allow the 1-YYY non-geographic number to be routed to the proper customer agent group destination. 
     For the trunk name  406 , trunk group number one  405  has a destination number  407  corresponding to a dialed number  409  indicated by YYY-1, YYY-2 and YYY-3, ( 408 ) etc. with corresponding outpulsed digits  410 . Once entered by the customer&#39;s system  400 , the updated customer records  402  and the network records  412  at the network control point are updated. Although the attributes of the databases may be handled in records that differ from the customer records  402 , the data remains the same. The customer&#39;s system can then make test calls to determine if the routing and outpulsed digits are correct. If any problems are encountered, the customer can call the service provider for additional assistance. Although the service provider gives up control of the input of the data, the service provider is able to maintain high quality of service across the network because the data input by the customer is cross checked in various reports run by the service provider. This allows the service provider to maintain the integrity of the communication network when customers perform provisioning of various services such as the routing of non-geographic calls. 
     Quality control and quality of service are maintained by the service provider from error reports generated from the activity of the customer. These reports are cross checked for accuracy and the data input by the customer will produce error messages if the data input by the customer is incorrect or does not support the correct routing of a call. These errors are typically communicated to the customer during the initial provisioning or after the customer has made a request to change a particular provisioning scheme. Adequate security is typically enforced to ensure one customer cannot assign internal routing numbers that could be assigned to other customers. 
     FIG. 5 illustrates a customer system for provisioning the data records supporting the routing of 1-YYY non-geographic calls over a communication network in accordance with the invention. The customer&#39;s system can access the databases on the communication network that routes the non-geographic calls by the customer&#39;s communication network system  500 , which is typically a computer or PBX equipment. The customer&#39;s system  500  provisions and supports the customer routing information  502  contained in the databases located on the NCP  504 . 
     When a user  506  calls a non-geographic number of the customer, the non-geographic call is routed to the end office  508  that supports the user  506 . The end office  508  is connected via an access tandem switch  510  to an originating switch  512 . In some cases, the end office  508  might be connected directly to the originating switch  512  (not shown). In either case, a message is sent at some point, typically from the access tandem switch  510 , to a service control point  514 . The service control point  514  assigns a carrier information code (CRC)  516  to the call. The CRC  516  designates the interexchange carrier that will transmit the non-geographic call. 
     Once the non-geographic call is received by the originating switch  512 , the 1-YYY non-geographic number is sent to the network control point (NCP)  504 . The network control point  504  accesses the customer record  502  assigned to the 1-YYY non-geographic call. The customer record  502  contains the necessary routing information for the non-geographic call to be transmitted to its end destination. During the provisioning process, the customer  500  can modify the trunk names  518  and the outpulsed digits  520  corresponding to the 1-YYY non-geographic call. For example, as the customer&#39;s traffic changes, experiences congestion or routing problems due to natural disasters, the customer  500  can dynamically alter the provisioning information for all of the non-geographic calling numbers routed to that customer&#39;s  500  communication equipment. 
     Once the internal routing number (IRN)  520  and the outpulsed digits  522  are assigned to the routing information of the 1-YYY non-geographic call in the database, the non-geographic call is compared to the data in the customer record  502 . When the non-geographic call matches the 1-YYY number in the customer record  502 , the NCP  504  assigns the outpulsed digits  522  to the non-geographic call and routes the call to the network node or terminating switch  524 . As the call is routed, both the IRN numbers and the outpulsed digits are sent via Common Channel Signaling  7  (CCS 7 ) signaling  526 . 
     The terminating switch  524  automatically routes the non-geographic call to the appropriate outgoing customer trunk, thus eliminating the service provider or customer from having to provision any terminating translation data. The terminating switch  524  automatically routes the call by keeping an internal list of all trunk types  530  connected to the PBX systems  532  connected to the terminating switch  524  and each trunk group  530  in the list would have the IRN  520  it supports listed on the trunk translation. With the IRNs on the trunks and a switch wide PBX trunk list, the switch is ready to automatically route the incoming call. 
     The incoming non-geographic call is identified with an IRN  520 , the outpulsed digits  522  and an indicator that the non-geographic call has a PBX  532  destination. Based on the PBX type call indicator, the terminating switch  524  queries the PBX trunk list of all the trunk groups connected to the terminating switch  524 . The terminating switch  524  matches the incoming IRN  520  with the IRN&#39;s provisioned on the trunk groups  530 . When a match is found, the terminating switch  524  seizes the trunk group  530  and outpulses the digits from the outpulsed digit field for the PBX to translate. 
     Overflow between multiple trunks and the same PBX can be accommodated by having the same IRN provisioned on multiple trunks. The terminating switch  524  would pick up all trunks with the matching IRN and would overflow between the matching trunks. The order of overflow preference would be accomplished by IRN order on the trunk groups. 
     For example, if 973-001-1234 was provisioned on the following three trunk subgroups (TSGs): 
     
       
         
               
               
               
             
           
               
                   
               
               
                 TSG1 
                 TSG2 
                 TSG3 
               
               
                 IRN 
                 IRN 
                 IRN 
               
               
                   
               
             
             
               
                 973-001-1234 
                 973-002-3456 
                 973-001-1111 
               
               
                 973-001-1111 
                 973-001-1234 
                 973-002-3456 
               
               
                 973-002-3456 
                 973-001-1111 
                 973-001-1234 
               
               
                   
               
             
          
         
       
     
     Then the terminating switch  524  would route the non-geographic call to 973-001-1234 to the first TSG 1  (number in italics) since 973-001-1234 is in the first position, then to the second TSG 2 , and finally to the third TSG 3 . 
     The network node or terminating switch  524  translates the SSS-TTT internal routing number information  528  from the internal routing number  520  to route the call to the appropriate trunk  530 . The outpulsed digits in the CCS 7   7  message  526  are then outpulsed to the customer&#39;s communication equipment, such as a PBX system  532 . The outpulsed digits then route the call to its final destination on the customer&#39;s communication network. The PBX system  532  further routes the non-geographic call to one of the agent groups  534 ,  536  or  538 . These agent groups  534 ,  536  or  538  can represent various departments in an organization as previously described in FIG.  1 . The process described in FIGS. 2 through 5 eliminate the requirement for the service provider  540  to provision the routing of non-geographic calls at the NCP  504 , originating switches  512  or other network nodes such as the terminating switch  524 . 
     This invention provides cost reduction opportunities to the service provider. Since the customer is provisioning call routing data directly by accessing the communication network, the overhead and operational costs associated with provisioning can be reduced. Also, since this invention uses one internal routing number for all outpulsed digit combinations, the internal routing number assignment/capacity and provisioning savings can be realized. These cost reductions in the service provider&#39;s operation allow the service provider to provide customers greater and faster control over their networks as well as price reductions on non-geographic calling services. 
     This invention will eliminate the need to build any routing translations in the terminating switch. The customer is allowed to associate the TTT to their terminating trunk groups, build the trunk subgroups with a characteristic of the TTT assignment and then have the terminating switch search for the correct trunk subgroup at the call translation time. This eliminates the possible error on the routing datablock either at the time of provisioning or post due to human error. 
     While exemplary systems and methods embodying the present invention are shown by way of example, it will be understood, of course, that the invention is not limited to these embodiments. Modifications may be made by those skilled in the art, particularly in light of this disclosure. For example, each of the elements of the disclosed embodiments may be utilized alone or in combination with elements of the other embodiments.