Telephonic communications – Special services – Automatic directory service
Reexamination Certificate
2002-07-22
2004-08-10
Hoosain, Allan (Department: 2645)
Telephonic communications
Special services
Automatic directory service
C379S067100, C379S088130, C379S093120, C379S201010, C379S265010, C379S266040, C379S266070
Reexamination Certificate
active
06775371
ABSTRACT:
FIELD OF THE INVENTION
The invention relates to a communications system and method, and more particularly to a system and method for providing a directory assistance service including, e.g., provision of information concerning goods and services, and locating, reserving and procuring/purchasing such goods and services, in response to a customer's inquiry.
BACKGROUND OF THE INVENTION
Concierge services are typically provided by hotels. The method generally employed is where a hotel guest, using the hotel room telephone, places a call to the hotel reception and asks to speak to the hotel concierge. The guest is connected to the concierge who then listens to the request of the hotel guest, such as a request for a restaurant reservation, and notes any preferences, such as the guest's preference for outdoor dining. The concierge then suggests a service, an event or restaurant in accordance with the guest's desires and preferences. The suggestion is often based on the concierge's personal knowledge in the field, and/or by consulting a listing book or directory. Should the suggestion be satisfactory, the concierge will make the necessary reservations and inform the hotel guest of the reservation details.
Concierge services are especially useful for a visitor who is unfamiliar with an area's services, eating establishments or upcoming events. The problem with such a service is that it is restricted to the guests at a specific hotel only. The concierge's suggestions can also often be biased, erratic or based on limited listing or directory information. In addition to the above, the hotel guest may also need to write down the reservation details, obtain directions and arrange transportation.
Furthermore, the whole process can be slow, as access to large listings are often manually searched by the concierge. The concierge may also be limited by the type of search he/she can perform. He may not be able to search for multiple preferences simultaneously, such as for example an outdoor, non-smoking, vegetarian restaurant, in a specific area. In addition, the concierge may only be familiar with restaurants in a particular area and therefore may be of little use to a hotel guest who is departing that day for another city.
Directory Assistance
Telephone calls from one party to another are made through telephone networks, with telephone switches and private branch exchanges (“PBX”) employed as necessary in order to connect networks and customers. Customers frequently make use of directory assistance systems to reach their desired parties. When using a directory assistance system (sometimes referred to as a “directory assistance platform”), a caller first dials the appropriate telephone number or access code. Telephone users usually access a directory assistance system through a carrier switching center. Once connected to a directory assistance provider, such as a live operator or a voice server, the caller identifies the party whose telephone number is desired. The correct number is located and may be reported to (by voice or computer-generated speech), and/or dialed for, the caller. It is increasingly common for directory assistance systems to connect the caller to the caller's desired number in addition to, or in place of, simply providing the number to the caller. This is particularly helpful to callers using cellular or other forms of wireless telephones, who may be engaged in other activities at the same time and therefore unable to take note of the number as it is recited. Typically, once the caller has been given the number and/or the number is dialed for the caller, the caller's connection through the directory assistance platform is terminated.
Termination of the connection through the directory assistance platform has a number of disadvantages. For example, if the caller is given or connected to an incorrect telephone number, the caller must contact the directory assistance system again or inquire elsewhere to obtain the correct number. This naturally requires additional action and expense on the caller's part. Moreover, reconnection to the directory assistance platform requires reallocation of directory assistance resources to the customer call. In view of the previous connection through the directory assistance platform, reconnection and reallocation is unnecessary, time consuming, and under some circumstances, wasteful. Similarly, even if the telephone number to which the caller is connected is correct, the line may be busy, there may be no answer, the destination party's telephone network may be inoperable, etc. In such circumstances, the caller often will want to contact a different party, again requiring the aid of the directory assistance system. Requiring separate and repeated connections to a directory assistance platform incurs added monetary expense on the caller's party, because directory assistance platforms typically charge a fee for each separate connection. Conversely, if a caller's connection is maintained to the directory assistance platform, multiple actions may be taken to assist the caller without necessarily incurring such additional fees.
Prior art directory assistance systems suffer from a further disadvantage in that they typically lack dedicated resources for monitoring telephone connections to calling or called parties. For example, in U.S. Pat. No. 5,414,754, one tone detecting device monitors up to 1,344 connections by using a multiplexer. The period of time for which each connection is monitored is critical to this method of operation. To service so many connections on an equal timesharing basis, the device cannot monitor one particular connection for more than a very short period of time (illustratively, on the order of milliseconds) before switching to and monitoring others. If the time period is too short, this method has the deleterious effect of requiring a party to press a key for an extended period of time—long enough to ensure that the monitoring digital signal processor (“DSP”), perhaps a dual-tone multi-frequency (“DTMF”) receiver, cycles back to the party's connection in time to detect the keypress—or risk the possibility that the DSP will miss the party's keypress. Another disadvantage to this method is that normal voice energy, or transient signals such as from interference or crosstalk, may cause a DSP that is monitoring the connection to mistakenly report that a party pressed a key. This disadvantage is even more pronounced in a wireless environment, where the bit error rate or degraded audio quality of the connection often precludes the receipt of a continuous tone.
Another disadvantage in prior directory assistance systems is the inability to restrict the caller's use of the directory assistance system to connect to specified parties. For example, the party paying for a caller's wireless telephone service may wish to restrict the caller from making any long-distance calls, or to limit the caller to calls to other parties within one organization, etc. Without the ability to limit the caller's connections through the directory assistance system, the caller could circumvent the paying party's restrictions by having the directory assistance system complete the call for him or her.
Traditionally, directory assistance has focused on providing telephone number directory information only. Typically, a directory assistance operator receives a request from a caller for the telephone number of a desired party. The operator locates the required number from a listing directory and may either give the number to the caller or connect the caller to the desired party.
Each year, a growing number of people spend a significant amount of time traveling for business or pleasure. Mobile communication and portable computers have created an opportunity for these people to conduct business and communicate while on the move. Wireless telephones have become a standard business tool in this environment. Wireless telephone users may find current directory assistance services inc
Elsey Nicholas J.
Samudio Michael T.
Timmins Timothy A.
Hoosain Allan
Kaye Scholer LLP
Metro One Telecommunications, Inc.
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