PREFERRED CALLER PROFILE FOR VOICE MAIL SYSTEM
Field Of The Invention
The present invention relates to message services between telephone devices and in particular to using the number of the calling party for establishing a voice mail authorization that permits the calling party to obtain information relating to the called party through the voice mail system.
Background Of The Invention In current telecommunications systems, it is common for users to have voice mail services associated with their telephone subscription. The voice mail services typically provide for the user to record a personal greeting or to select a standard greeting provided by the system. The user has the option of playing back messages left on the system, saving these messages or forwarding copies of these messages to other voice mailboxes.
In existing wireless telecommunications networks, a calling party leaving a voice message with the user may have an option of leaving a telephone number at which the calling party may be reached. When the voice message or telephone number is left with the voice mail service, the wireless telecommunications network may be requested by the voice mail system to send text message to the user of the calling party's telephone number.
European Patent application 783, 219 published July 9th, 1997 relates to a voice mail system that responds to call in accordance with the number of the calling party. When the calling party is routed to the voice mail system, the call line identity, CLI, is identified by the voice mail system which responds to the calling party with a preprogrammed response. This response may be one of a voice message, and e-mail message, a facsimile, and an SMS message in the form of a character string. This system provides a predetermined response to calling party in accordance with the calling party's call line identity and as programmed into the voice mail system by the user.
European Patent application 588,101 published March 23rd, 1994 discloses a voice message system where the subscriber can program the voice message system to respond or provide different features to a calling party based on the calling party's call line identity. These features can change the priority of the message to an urgent message or can include the announced name of the calling party.
While call line indentity has been used in voice mail systems to recognize a pre-authorized response in time sensitive matters these pre-authorized responses may not be satisfactory. In the instance when a caller has already deposited a message with the user and it is important for the caller to know if the user has reviewed the message, the caller has no way of determining if the message has been reviewed unless the user calls him back. Further in wireless telecommunications systems a caller may wish to schedule a meeting with the user and upon failure to reach the user may not know if the user is in the vicinity or out of town. Hence the caller is not be able to determine the physical location of the user.
Summary Of The Invention
It is therefore an object of the present invention to provide a method for permitting a caller to access a user's voice mail system in a wireless telecommunications system to obtain location information and/or subscriber information of the user.
It is another object of the present invention to provide a method for a voice mail system and a telecommunications system to inform a caller if at least one of previous message deposited by the caller for user has been retrieved by the user.
The present invention relates to a method for permitting a caller to access a user's voice mail system in a wireless telecommunications system. The user defines in the voice mail system a location profile for at least one predetermined calling party. The calling party is identified by the calling line identity of the calling party. The telecommunications system upon receiving an incoming call from the calling party routes the call together with the call line identity to the voice mail system when the call cannot be completed to the user. Upon receiving this call, the voice mail system
determines if the user has defined a location profile for the caller associated with the call line identity
The present invention further relates to a wireless telecommunications system that permits a caller to obtain location information of a user. The system comprises a voice mail system having means for defining a location profile for at least one predetermined calling line identity and means for routing an incoming call from a calling party together with a call line identity to the voice mail system when the call cannot be completed to the user. The voice mail system has means for determining if the user has defined the location profile for the calling line identity. The voice mail system has means for responding to the caller with a message relating to location information of the user when the location profile is determined.
It should be understood that throughout the specification the term location information maybe read to include geographical location information of the user, and any other subscriber information relating to the location such as, for example, status information if the subscriber is active or inactive, and specific wireless services provided by the location area such as, for example, call delivery not permitted to this area.
The wireless telecommunications system has a home location register that forwards location information to the voice mail system or, preferably, to a mobile switching center. The mobile switching center upon receiving a call communicates with the home location register to obtain the latest known location of the user. The mobile switching center upon failure to complete the call to the user sets up a new call from the caller to the voice mail system and routes the caller to the voice mail system together with the caller line identity and the last known location of the user. The present invention further relates to a method for a voice mail system in a telecommunications system to inform a caller if at least one previous message deposited by the caller for a user has been retrieved by the user. The user defines in the voice mail system a log profile associated with at least one predetermined calling line identity. The telecommunications system routes an incoming call for the user together with the call line identity to the voice mail system when the call cannot be completed to the user. The voice mail system determines if the user has defined the
log profile for the calling line identity. The voice mail system responds to the caller with a message indicating whether the user has reviewed the at least one previous messages deposited by the caller.
The voice mail system may store the calling line identity with each message deposited for a user for each caller having a log profile. The voice mail system compares the calling line identity of a caller with the calling line identity of the unread messages deposited for the user in the voice mail system.
The present invention further relates to a telecommunications system that includes a voice mail system for informing a caller if at least one previous message deposited by the caller for a user has been retrieved by the user. The system comprises a voice mail system for defining a log profile associated with at least one predetermined calling line identity and means for routing an incoming call for the user together with the call line identity to the voice mail system when the call cannot be completed to the user. The voice mail system has means for determining if the user has defined the log profile for the calling line identity. The voice mail system has means for responding to the caller with a message indicating whether the user has reviewed the at least one previous messages deposited by the caller.
Brief Description Of The Drawings For a better understanding of the nature and objects of the present invention reference may be had to the accompanying diagrammatic drawings in which:
Figure 1 is a schematic diagram of a telecommunications system of the present invention;
Figure 2 is a flowsheet that discloses an inventive method in accordance with Figure 1 ; and,
Figure 3 is a flowsheet that discloses an inventive method in accordance with Figure 1.
Detailed Description Of The Drawings Referring to Figure 1 there is shown a schematic diagram of a telecommunication system 10. The telecommunication system 10 includes a public
switching telecommunication network (PSTN) 16 and a mobile switching center
(MSC) 18 of a wireless telecommunication system. For the purposes of this figure, a call is shown initiated by caller 11 who has a call line identity (CLI) 12 which is directed to the PSTN 16 when the call is made. The PSTN then routes the call 16 to the MSC 18 for a mobile subscriber 22. The MSC typically routes the call to the mobile subscriber 22 or the B number through a base station not shown.
In routing the call to the user 22, the MSC typically interrogates over an SS7 signaling line the HLR 24. The HLR 24 is the home location register which is a register which stores user profile information and the last known or latest known location for the user 22. The HLR 24 also stores information as to the selected services available to the user 22 of the wireless telecommunications network. The HLR for example will also store information as to whether or not the user has a voice mail service.
In the event that the user 22 cannot be located by the MSC 18, and the MSC 18 has been advised by the HLR 24 that there is a voice mail service provided for the user 22, then the MSC 18 sets up a new call which is routed to the voice mail system 30. At this point, the MSC 18 will also transfer the CLI of the calling party 11 to the voice mail system 30. Further, the MSC 18 will route to the voice mail system 30 information concerning the last known registered location for the user 22. The purpose of the voice mail system 30 is to prompt or provide the calling party 11 with a standard selected message selected or recorded by the user 22. The voice mail system 30 then records the message provided by the caller 11 and deposits that message in the voice mail system 30 to be retrieved by the user 22. The message center 26 may be requested by the voice mail system to send a SMS message towards the user 22 for information of message depositing into the user's voice mail box.
The voice mail system 30 further includes a user database 32 which lists all the user numbers in the voice mail system 30. This user data base 32 further includes a call location identity CLI database 34 for which the user has defined callers and provided a different voice mail responses or different service. In accordance with the present invention when a message is received for a user
22, the voice mail system 30 interrogates the users database 32 to determine if a CLI
for that caller has been deposited in database 34. When a match is found, the voice mail system 30 may respond to the caller 11 with information as to the last known location of the user 22. For example if the user 22 had been on business and was now located in a different city, the voice mail system 30 would advise the calling party 11 that the user 22 was located in that particular city or location.
The voice mail system 30 may also check to see if the caller 11 has deposited previous message. The voice mail system 30 checks data base 34 for a CLI match for the CLI of the calling party 11 in the database 32 and if a match is found the voice mail 30 advises the caller 11 prior to depositing a second message that the first message has not been reviewed by the user 22.
It should be understood that the voice mail system 30 can also advise if a message has been read.
Referring now to Figure 2 there is shown a flowsheet of the steps involved in the process of the present invention for advising the calling party 11 of the location of the user 22. It should be understood that the user 22 may have been defined a calling line identity, CLI, information in the database 34 associated with the voice mail system 30 shown in Figure 1. During the method, a call is routed to the MSC 18 from the calling party with the CLI information at 100. The MSC 18 sends a location request to the HLR 24 to determine the latest known information or location of the user 22 at 102. The HLR 24 returns the location information of the user 22 to the MSC 18 at
104. The MSC 18 then attempts to route the call to the user 22 at the latest last known location at 106. If the user 22 does not answer the call or the call cannot be delivered at 108 then the MSC 18 routes a new call to the voice mail system 30 together with the location of the user 22 and the calling line identity or CLI information of the calling party 11 at line 110. The voice mail 30 compares the CLI received from the MSC 18 with the users database 34 of CLIs at 112. The voice mail 30 sends the calling party 11 a voice message of the location of the user 22 when there is a match in the CLI information at 114. The voice mail 30 delivers to the calling party 11 the user's 22 predetermined message reply and prompts the party 11 to deliver a message should the party 11 so wish to at 116. In the event that the calling party 11 does not wish to leave a message at 114 the call can be terminated.
Referring now to Figure 3 there is shown a flowsheet for the method in accordance with the present invention for the voice mail system 30 in a telecommunications system 10 to inform a caller 11 if at least one previous message deposited by the caller 11 for the user 22 has been retrieved by the user 22. The user 22 defines a log profile in the voice mail 30 for predetermined calling parties 11 by their calling line identity (CLI) at 200. The caller leaves a voice mail message 30 with the voice mail system 30 at 202. The voice mail system 30 tags the callers 11 CLI to the voice message left by the caller 11 at 204. The caller 11 subsequently makes an additional call which is routed again to the voice mail system 30 at 206. The voice mail system 30 compares the CLI with the CLI of the users 22 unread user messages and finds a match at 208. The voice mail 30 then compares the CLI with the user log profile 34 and finds a match at 210. The voice mail 30 then sends a message to the calling party 11 that its previously deposited message has not been reviewed by the user 22 at 212. The voice mail system 30 then prompts the calling party 11 to deliver a further message at 214. Of course, in the event that the caller 11 does not want to leave a message at 212, the caller can terminate the call.
Although preferred embodiments of the method and apparatus of the present invention have been illustrated in the accompanying Drawings and described in the foregoing Detailed Description, it will be understood that the invention is not limited to the embodiments disclosed, but is capable of numerous rearrangements, modifications and substitutions without departing from the spirit of the invention as set forth and defined by the following claims.