US5504804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Providing individual subscriber services in a cellular mobile communications network
Assignee: Telefonaktiebolaget LM Ericsson AB
•
Filing: 1994-01-19
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Granted: 1996-04-02
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Expires: 2014-01-19
Abstract
Abstract In a cellular mobile communications network, routing decisions pertaining to supplementary services are made by a home location register (HLR). For calling subscriber supplementary services, such as private numbering plans, a mobile services switching center (MSC) requests that the HLR perform the necessary routing decisions, and the HLR responds accordingly. For called subscriber supplementary services, such as call forwarding on busy, the MSC sends status information (such as the busy condition) to the HLR, and the HLR responds by determining supplementary call routing information, which is then sent to the MSC. Determining the supplementary call routing information may require that the HLR select from among several routing alternatives, in dependence on a condition such as time-of-day. In an alternative embodiment of called subscriber services, the HLR may recognize, upon initially being asked for a roaming number for a called subscriber, that a called subscriber condition exists that requires making a choice from among several possible routings. The HLR may solicit choice-determinative information from the MSC, which in turn prompts the calling subscriber for this information. The requested information may be returned to the MSC from the calling subscriber in the form of a dual tone multi-frequency (DTMF) signal. The MSC may convert the DTMF signal into a message containing the requested information, for transmission to the HLR.
Inventors
- 👤 Jerker F. A. Widmark
- 👤 Jorgen S. Lantto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:55
CPC Classifications
H; H04; H04W; H04W4/00; H04W4/16
Claims Analysis
Total Claims: 49
Claim 1
Independent Claim
146 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a method for providing a supplementary service to a calling subscriber, comprising the steps of: sending a supplementary service category for the calling subscriber from the home location register to the mobile services switching center; detecting, in the mobile services switching center, initiation of a call from the calling subscriber and presence of the supplementary service category for the calling subscriber; sending a supplementary service request from the mobile services switching center to the home location register in response to said detecting step; receiving the supplementary service request in the home location register, and in response thereto, determining, in the home location register, call routing information in accordance with supplementary service parameters; and sending the call routing information from the home location register to the mobile services switching center.
Claim 2
Dependent Claim
146 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a method for providing a supplementary service to a calling subscriber, comprising the steps of: sending a supplementary service category for the calling subscriber from the home location register to the mobile services switching center; detecting, in the mobile services switching center, initiation of a call from the calling subscriber and presence of the supplementary service category for the calling subscriber; sending a supplementary service request from the mobile services switching center to the home location register in response to said detecting step; receiving the supplementary service request in the home location register, and in response thereto, determining, in the home location register, call routing information in accordance with supplementary service parameters; and sending the call routing information from the home location register to the mobile services switching center.
Claim 3
Dependent Claim
27 words
The method of claim 1, wherein the step of determining call routing information comprises translating a short number into a full number corresponding to a called subscriber.
Claim 4
Dependent Claim
253 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a method for providing a supplementary service to a called subscriber, comprising the steps of: detecting, in the mobile services switching center, initiation of a call from a calling subscriber to the called subscriber; sending in response to the detected call initiation, from the mobile services switching center to the home location register, a request for a roaming number corresponding to the called subscriber; sending in response to the request for a roaming number, from the home location register to the mobile services switching center, the roaming number and a call monitor command for the called subscriber; using the roaming number in the mobile services switching center to route a call from the calling subscriber to the called subscriber; detecting, in the mobile services switching center, a status condition and presence of the call monitor command for the called subscriber, the status condition being indicative of non-completion of the call from the calling subscriber to the called subscriber; sending a supplementary service request and the status condition from the mobile services switching center to the home location register in response to said detecting step; receiving the supplementary service request and the status condition in the home location register, and in response thereto, determining, in the home location register, supplementary call routing information in accordance with supplementary service parameters; and sending the supplementary call routing information from the home location register to the mobile services switching center.
Claim 5
Dependent Claim
253 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a method for providing a supplementary service to a called subscriber, comprising the steps of: detecting, in the mobile services switching center, initiation of a call from a calling subscriber to the called subscriber; sending in response to the detected call initiation, from the mobile services switching center to the home location register, a request for a roaming number corresponding to the called subscriber; sending in response to the request for a roaming number, from the home location register to the mobile services switching center, the roaming number and a call monitor command for the called subscriber; using the roaming number in the mobile services switching center to route a call from the calling subscriber to the called subscriber; detecting, in the mobile services switching center, a status condition and presence of the call monitor command for the called subscriber, the status condition being indicative of non-completion of the call from the calling subscriber to the called subscriber; sending a supplementary service request and the status condition from the mobile services switching center to the home location register in response to said detecting step; receiving the supplementary service request and the status condition in the home location register, and in response thereto, determining, in the home location register, supplementary call routing information in accordance with supplementary service parameters; and sending the supplementary call routing information from the home location register to the mobile services switching center.
Claim 6
Dependent Claim
25 words
The method of claim 3, wherein the status condition is a busy indication, and the supplementary service is a call forwarding on busy supplementary service.
Claim 7
Dependent Claim
60 words
The method of claim 3, wherein the step of determining supplementary call routing information in accordance with supplementary service parameters comprises determining a first supplementary call routing information if the supplementary service request is received during a first time period, and determining a second supplementary call routing information if the supplementary service request is received during a second time period.
Claim 8
Dependent Claim
229 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a method for providing a supplementary service to a called subscriber, comprising the steps of: detecting, in the mobile services switching center, initiation of a call from a calling subscriber to the called subscriber; sending in response to the detected call initiation, from the mobile services switching center to the home location register, a request for a roaming number corresponding to the called subscriber; detecting, in the home location register in response to the request for a roaming number, an availability condition for the called subscriber; sending, in response to the detected availability condition, an information request from the home location register to the mobile services switching center; in the mobile services switching center, in response to receiving the information request, soliciting and subsequently receiving requested information from the calling subscriber; sending the requested information from the mobile services switching center to the home location register; using, in the home location register, the requested information to determine supplementary call routing information to a selected destination in accordance with supplementary service parameters; sending, from the home location register to the mobile services switching center, the supplementary call routing information; using the supplementary call routing information in the mobile services switching center to route a call from the calling subscriber to the selected destination.
Claim 9
Dependent Claim
229 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a method for providing a supplementary service to a called subscriber, comprising the steps of: detecting, in the mobile services switching center, initiation of a call from a calling subscriber to the called subscriber; sending in response to the detected call initiation, from the mobile services switching center to the home location register, a request for a roaming number corresponding to the called subscriber; detecting, in the home location register in response to the request for a roaming number, an availability condition for the called subscriber; sending, in response to the detected availability condition, an information request from the home location register to the mobile services switching center; in the mobile services switching center, in response to receiving the information request, soliciting and subsequently receiving requested information from the calling subscriber; sending the requested information from the mobile services switching center to the home location register; using, in the home location register, the requested information to determine supplementary call routing information to a selected destination in accordance with supplementary service parameters; sending, from the home location register to the mobile services switching center, the supplementary call routing information; using the supplementary call routing information in the mobile services switching center to route a call from the calling subscriber to the selected destination.
Claim 10
Dependent Claim
30 words
The method of claim 6, wherein the requested information received by the mobile services switching center from the calling subscriber is in the form of a dual tone multi-frequency signal.
Claim 11
Dependent Claim
31 words
The method of claim 7, wherein the mobile services switching center converts the dual tone multi-frequency signal into a message containing the requested information for sending to the home location register.
Claim 12
Dependent Claim
34 words
The method of claim 6, wherein the availability condition indicates that the called subscriber is to receive only an important call, and that an unimportant call is to be routed to an alternative destination.
Claim 13
Dependent Claim
23 words
The method of claim 9, wherein the requested information indicates whether the calling subscriber is initiating the important call or the unimportant call.
Claim 14
Dependent Claim
156 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a system for providing a supplementary service to a calling subscriber, comprising: means for sending a supplementary service category for the calling subscriber from the home location register to the mobile services switching center; means for detecting, in the mobile services switching center, initiation of a call from the calling subscriber and presence of the supplementary service category for the calling subscriber; means, responsive to an output of said means for detecting, for sending a supplementary service request from the mobile services switching center to the home location register; means for receiving the supplementary service request in the home location register, and in response thereto, determining, in the home location register, call routing information in accordance with supplementary service parameters; and means for sending the call routing information from the home location register to the mobile services switching center.
Claim 15
Dependent Claim
156 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a system for providing a supplementary service to a calling subscriber, comprising: means for sending a supplementary service category for the calling subscriber from the home location register to the mobile services switching center; means for detecting, in the mobile services switching center, initiation of a call from the calling subscriber and presence of the supplementary service category for the calling subscriber; means, responsive to an output of said means for detecting, for sending a supplementary service request from the mobile services switching center to the home location register; means for receiving the supplementary service request in the home location register, and in response thereto, determining, in the home location register, call routing information in accordance with supplementary service parameters; and means for sending the call routing information from the home location register to the mobile services switching center.
Claim 16
Dependent Claim
29 words
The system of claim 11, wherein the means for determining call routing information comprises means for translating a short number into a full number corresponding to a called subscriber.
Claim 17
Dependent Claim
265 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a system for providing a supplementary service to a called subscriber, comprising: means for detecting, in the mobile services switching center, initiation of a call from a calling subscriber to the called subscriber; means for sending in response to the detected call initiation, from the mobile services switching center to the home location register, a request for a roaming number corresponding to the called subscriber; means for sending in response to the request for a roaming number, from the home location register to the mobile services switching center, the roaming number and a call monitor command for the called subscriber; means for using the roaming number in the mobile services switching center to route a call from the calling subscriber to the called subscriber; means for detecting, in the mobile services switching center, a status condition and presence of the call monitor command for the called subscriber, the status condition being indicative of non-completion of the call from the calling subscriber to the called subscriber; means, responsive to an output of said means for detecting, for sending a supplementary service request and the status condition from the mobile services switching center to the home location register; means for receiving the supplementary service request in the home location register, and in response thereto, determining, in the home location register, supplementary call routing information in accordance with supplementary service parameters; and means for sending the supplementary call routing information from the home location register to the mobile services switching center.
Claim 18
Dependent Claim
265 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a system for providing a supplementary service to a called subscriber, comprising: means for detecting, in the mobile services switching center, initiation of a call from a calling subscriber to the called subscriber; means for sending in response to the detected call initiation, from the mobile services switching center to the home location register, a request for a roaming number corresponding to the called subscriber; means for sending in response to the request for a roaming number, from the home location register to the mobile services switching center, the roaming number and a call monitor command for the called subscriber; means for using the roaming number in the mobile services switching center to route a call from the calling subscriber to the called subscriber; means for detecting, in the mobile services switching center, a status condition and presence of the call monitor command for the called subscriber, the status condition being indicative of non-completion of the call from the calling subscriber to the called subscriber; means, responsive to an output of said means for detecting, for sending a supplementary service request and the status condition from the mobile services switching center to the home location register; means for receiving the supplementary service request in the home location register, and in response thereto, determining, in the home location register, supplementary call routing information in accordance with supplementary service parameters; and means for sending the supplementary call routing information from the home location register to the mobile services switching center.
Claim 19
Dependent Claim
25 words
The system of claim 13, wherein the status condition is a busy indication, and the supplementary service is a call forwarding on busy supplementary service.
Claim 20
Dependent Claim
64 words
The system of claim 13, wherein the means for determining supplementary call routing information in accordance with supplementary service parameters comprises means for determining a first supplementary call routing information if the supplementary service request is received during a first time period, and means for determining a second supplementary call routing information if the supplementary service request is received during a second time period.
Claim 21
Dependent Claim
244 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a system for providing a supplementary service to a called subscriber, comprising: means for detecting, in the mobile services switching center, initiation of a call from a calling subscriber to the called subscriber; means for sending in response to the detected call initiation, from the mobile services switching center to the home location register, a request for a roaming number corresponding to the called subscriber; means for detecting, in the home location register in response to the request for a roaming number, an availability condition for the called subscriber; means for sending, in response to the detected availability condition, an information request from the home location register to the mobile services switching center; means, responsive to receiving an information request in the mobile services switching center, for soliciting and subsequently receiving requested information from the calling subscriber; means for sending the requested information from the mobile services switching center to the home location register; means for using, in the home location register, the requested information to determine supplementary call routing information to a selected destination in accordance with supplementary service parameters; means for sending, from the home location register to the mobile services switching center, the supplementary call routing information; and means for using the supplementary call routing information in the mobile services switching center to route a call from the calling subscriber to the selected destination.
Claim 22
Dependent Claim
244 words
In a mobile communications system comprising a home location register coupled to a mobile services switching center, a system for providing a supplementary service to a called subscriber, comprising: means for detecting, in the mobile services switching center, initiation of a call from a calling subscriber to the called subscriber; means for sending in response to the detected call initiation, from the mobile services switching center to the home location register, a request for a roaming number corresponding to the called subscriber; means for detecting, in the home location register in response to the request for a roaming number, an availability condition for the called subscriber; means for sending, in response to the detected availability condition, an information request from the home location register to the mobile services switching center; means, responsive to receiving an information request in the mobile services switching center, for soliciting and subsequently receiving requested information from the calling subscriber; means for sending the requested information from the mobile services switching center to the home location register; means for using, in the home location register, the requested information to determine supplementary call routing information to a selected destination in accordance with supplementary service parameters; means for sending, from the home location register to the mobile services switching center, the supplementary call routing information; and means for using the supplementary call routing information in the mobile services switching center to route a call from the calling subscriber to the selected destination.
Claim 23
Dependent Claim
30 words
The system of claim 16, wherein the requested information received by the mobile services switching center from the calling subscriber is in the form of a dual tone multi-frequency signal.
Claim 24
Dependent Claim
44 words
The system of claim 17, wherein the means for sending the requested information from the mobile services switching center to the home location register converts the dual tone multi-frequency signal into a message containing the requested information for sending to the home location register.
Claim 25
Dependent Claim
34 words
The system of claim 16, wherein the availability condition indicates that the called subscriber is to receive only an important call, and that an unimportant call is to be routed to an alternative destination.
Claim 26
Dependent Claim
23 words
The system of claim 19, wherein the requested information indicates whether the calling subscriber is initiating the important call or the unimportant call.
Claim 27
Dependent Claim
92 words
A mobile services switching center, comprising: means for receiving, from the home location register, a supplementary service category for a calling subscriber; means for detecting initiation of a call from the calling subscriber and presence of the supplementary service category for the calling subscriber; means, responsive to an output of said means for detecting, for sending a supplementary service request from the mobile services switching center to the home location register; means for receiving, from the home location register, call routing information that has been determined in accordance with supplementary service parameters.
Claim 28
Dependent Claim
92 words
A mobile services switching center, comprising: means for receiving, from the home location register, a supplementary service category for a calling subscriber; means for detecting initiation of a call from the calling subscriber and presence of the supplementary service category for the calling subscriber; means, responsive to an output of said means for detecting, for sending a supplementary service request from the mobile services switching center to the home location register; means for receiving, from the home location register, call routing information that has been determined in accordance with supplementary service parameters.
Claim 29
Dependent Claim
42 words
The mobile services switching center of claim 21, wherein initiation of a call from a calling subscriber includes receiving a short number corresponding to a called subscriber, and wherein the call routing information is a full number corresponding to the called subscriber.
Claim 30
Dependent Claim
179 words
A mobile services switching center, comprising: means for detecting initiation of a call from a calling subscriber to a called subscriber; means for sending in response to the detected call initiation, from the mobile services switching center to a home location register, a request for a roaming number corresponding to the called subscriber; means for receiving, from the home location register, the roaming number and a call monitor command for the called subscriber; means for using the roaming number to route a call from the calling subscriber to the called subscriber; means for detecting a status condition and presence of the call monitor command for the called subscriber, the status condition being indicative of non-completion of the call from the calling subscriber to the called subscriber; means, responsive to an output of said means for detecting, for sending a supplementary service request and the status condition from the mobile services switching center to the home location register; and means for receiving, from the home location register, supplementary call routing information that is determined in accordance with supplementary service parameters.
Claim 31
Dependent Claim
179 words
A mobile services switching center, comprising: means for detecting initiation of a call from a calling subscriber to a called subscriber; means for sending in response to the detected call initiation, from the mobile services switching center to a home location register, a request for a roaming number corresponding to the called subscriber; means for receiving, from the home location register, the roaming number and a call monitor command for the called subscriber; means for using the roaming number to route a call from the calling subscriber to the called subscriber; means for detecting a status condition and presence of the call monitor command for the called subscriber, the status condition being indicative of non-completion of the call from the calling subscriber to the called subscriber; means, responsive to an output of said means for detecting, for sending a supplementary service request and the status condition from the mobile services switching center to the home location register; and means for receiving, from the home location register, supplementary call routing information that is determined in accordance with supplementary service parameters.
Claim 32
Dependent Claim
28 words
The mobile services switching center of claim 23, wherein the status condition is a busy indication, and the supplementary service is a call forwarding on busy supplementary service.
Claim 33
Dependent Claim
52 words
The mobile services switching center of claim 23, wherein the supplementary call routing information is a first supplementary call routing information if the supplementary service request is sent during a first time period, and a second supplementary call routing information if the supplementary service request is sent during a second time period.
Claim 34
Dependent Claim
144 words
A mobile services switching center, comprising: means for detecting initiation of a call from a calling subscriber to a called subscriber; means for sending to a home location register in response to the detected call initiation, a request for a roaming number corresponding to the called subscriber; means for receiving an information request from the home location register; means, responsive to receiving an information request, for soliciting and subsequently receiving requested information from the calling subscriber; means for sending the requested information from the mobile services switching center to the home location register; means for receiving, from the home location register, supplementary call routing information to a destination that is selected in response to the requested information; and means for using the supplementary call routing information in the mobile services switching center to route a call from the calling subscriber to the selected destination.
Claim 35
Dependent Claim
144 words
A mobile services switching center, comprising: means for detecting initiation of a call from a calling subscriber to a called subscriber; means for sending to a home location register in response to the detected call initiation, a request for a roaming number corresponding to the called subscriber; means for receiving an information request from the home location register; means, responsive to receiving an information request, for soliciting and subsequently receiving requested information from the calling subscriber; means for sending the requested information from the mobile services switching center to the home location register; means for receiving, from the home location register, supplementary call routing information to a destination that is selected in response to the requested information; and means for using the supplementary call routing information in the mobile services switching center to route a call from the calling subscriber to the selected destination.
Claim 36
Dependent Claim
33 words
The mobile services switching center of claim 26, wherein the requested information received by the mobile services switching center from the calling subscriber is in the form of a dual tone multi-frequency signal.
Claim 37
Dependent Claim
47 words
The mobile services switching center of claim 27, wherein the means for sending the requested information from the mobile services switching center to the home location register converts the dual tone multi-frequency signal into a message containing the requested information for sending to the home location register.
Claim 38
Dependent Claim
26 words
The mobile services switching center of claim 26, wherein the requested information indicates whether the calling subscriber is initiating an important call or an unimportant call.
Claim 39
Dependent Claim
70 words
A home location register, comprising: means for receiving a supplementary service request from a mobile services switching center, the supplementary service request indicating that a calling subscriber is initiating a call; means, responsive to receipt of the supplementary service request, for determining call routing information in accordance with supplementary service parameters; and means for sending the call routing information from the home location register to the mobile services switching center.
Claim 40
Dependent Claim
70 words
A home location register, comprising: means for receiving a supplementary service request from a mobile services switching center, the supplementary service request indicating that a calling subscriber is initiating a call; means, responsive to receipt of the supplementary service request, for determining call routing information in accordance with supplementary service parameters; and means for sending the call routing information from the home location register to the mobile services switching center.
Claim 41
Dependent Claim
31 words
The home location register of claim 30, wherein the means for determining call routing information comprises means for translating a short number into a full number corresponding to a called subscriber.
Claim 42
Dependent Claim
163 words
A home location register, comprising: means for receiving, from a mobile services switching center, a request for a roaming number corresponding to a called subscriber; means, responsive to the roaming number request means, for determining that the called subscriber is to receive a called subscriber supplementary service; means, responsive to an output of the determining means, for sending, to the mobile services switching center, the roaming number for routing a call from a calling subscriber to the called subscriber, and a call monitor command for the called subscriber; means for receiving, from the mobile services switching center, a supplementary service request and a status condition indicative of non-completion of the call from the calling subscriber to the called subscriber; means, responsive to an output of the supplementary service request receiving means, for determining supplementary call routing information in accordance with supplementary service parameters; and means for sending the supplementary call routing information from the home location register to the mobile services switching center.
Claim 43
Dependent Claim
163 words
A home location register, comprising: means for receiving, from a mobile services switching center, a request for a roaming number corresponding to a called subscriber; means, responsive to the roaming number request means, for determining that the called subscriber is to receive a called subscriber supplementary service; means, responsive to an output of the determining means, for sending, to the mobile services switching center, the roaming number for routing a call from a calling subscriber to the called subscriber, and a call monitor command for the called subscriber; means for receiving, from the mobile services switching center, a supplementary service request and a status condition indicative of non-completion of the call from the calling subscriber to the called subscriber; means, responsive to an output of the supplementary service request receiving means, for determining supplementary call routing information in accordance with supplementary service parameters; and means for sending the supplementary call routing information from the home location register to the mobile services switching center.
Claim 44
Dependent Claim
29 words
The home location register of claim 32, wherein the status condition is a busy indication, and the supplementary service parameters correspond to a call forwarding on busy supplementary service.
Claim 45
Dependent Claim
66 words
The home location register of claim 32, wherein the means for determining supplementary call routing information in accordance with supplementary service parameters comprises means for determining a first supplementary call routing information if the supplementary service request is received during a first time period, and means for determining a second supplementary call routing information if the supplementary service request is received during a second time period.
Claim 46
Dependent Claim
120 words
A home location register, comprising: means for receiving, from the mobile services switching center, a request for a roaming number corresponding to a called subscriber; means for detecting, in response to an output of the roaming number request receiving means, an availability condition for the called subscriber; means for sending, in response to the detected availability condition, an information request from the home location register to the mobile services switching center; means for receiving the requested information from the mobile services switching center; means for using the requested information to determine supplementary call routing information to a selected destination in accordance with supplementary service parameters; and means for sending the supplementary call routing information to the mobile services switching center.
Claim 47
Dependent Claim
120 words
A home location register, comprising: means for receiving, from the mobile services switching center, a request for a roaming number corresponding to a called subscriber; means for detecting, in response to an output of the roaming number request receiving means, an availability condition for the called subscriber; means for sending, in response to the detected availability condition, an information request from the home location register to the mobile services switching center; means for receiving the requested information from the mobile services switching center; means for using the requested information to determine supplementary call routing information to a selected destination in accordance with supplementary service parameters; and means for sending the supplementary call routing information to the mobile services switching center.
Claim 48
Dependent Claim
36 words
The home location register of claim 35, wherein the availability condition indicates that the called subscriber is to receive only an important call, and that an unimportant call is to be routed to an alternative destination.
Claim 49
Dependent Claim
25 words
The home location register of claim 36, wherein the requested information indicates whether the calling subscriber is initiating the important call or the unimportant call.
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USPTO Annuity & Maintenance Windows
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| 7.5 Years (Year 8) | 2003-04-02 | 2003-10-02 | 2004-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-04-02 | 2007-10-02 | 2008-04-02 | $7700.00 | Window Closed / Lapsed |