# US 2013/0252570 A1 · Urgent call management system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0252570 A1 - Document ID: US20130252570A1 - Status: Published application - Kind: A1 - Application number: 13/818,354 - Filed: 2011-08-22 - Published: 2013-09-26 - Earliest claimed: 2010-08-25 - Assignees: Alcatel Lucent - Inventors: Dimitre Davidov Kostadinov; Yann Toms; Guy-Bertrand Kamga; Jerome Picault - Web page: https://patentgrep.com/patent/US20130252570A1 ## CPC - H04W 76/50: for emergency connections - H04L 67/306: User profiles - H04L 67/563: Data redirection of data network streams - H04M 3/42357: {where the information is provided to a monitoring entity such as a potential calling party or a call processing server} - H04W 4/02: Services making use of location information - H04W 4/023: {using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds} - H04W 4/029: Location-based management or tracking services - H04W 4/21: for social networking applications - H04W 4/90: Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS] - H04M 3/54: Arrangements for diverting calls for one subscriber to another predetermined subscriber {(based on the calling party profile H04M3/42059; based on location H04M3/42348; based on presence H04M3/42365; to voice mail H04M3/53308)} - H04M 2203/2094: Proximity - H04M 2242/04: for emergency applications - H04M 2242/30: Determination of the location of a subscriber - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract In order to contact a user who owns a mobile terminal (TM), who is the recipient of a call from a calling user's communicating device (DCa) to the mobile terminal and who cannot be reached by means of the mobile terminal over a telecommunications network (RT), a communication server (SC) determines a level of urgency of the call, determines a list of third-party users who may be placed in contact with the calling user, based on the social relationship between the called user and each third-party user, on geolocation data (Dg) related to the called user and related to third-party users, and on the call's level of urgency, and establishes a call between the calling user at least one third-party user on the list. ## Claims ### Claim 1 A method for contacting a user who owns a mobile terminal, who is the recipient of a call from a calling user's communicating device to the mobile terminal and who cannot be reached by means of the mobile terminal over a telecommunications network, said method comprising the following in a communication server: determining an urgency level of the call, determining a list of third-party users who may be placed in contact with the calling user, based on the social relationship between the called user and each third-party user, geolocation data related to the called user and related to third-party users, and the call's level of urgency, and establishing a call between the calling user and at least one third-party user on the list. ### Claim 2 (depends on 1) A method according to claim 1, whereby the list contains an ordered enumeration of third-party users geographically closest to the called user. ### Claim 3 (depends on 1) A method according to claim 1, whereby the geolocation data comprises the last known geographic position of the called user end of each of the third-party users. ### Claim 4 (depends on 1) A method according to claim 1, whereby the geolocation data related to the called user comprises presence data related to the called user's calendar. ### Claim 5 (depends on 1) A method according to claim 1, whereby the communication server has previously saved a group of third-party users who have agreed to be potentially called in order to contact the called user, depending on the social relationship between the third-party user and the called user. ### Claim 6 (depends on 5) A method according to claim 5, whereby the communication server determines said list of third-party users by first producing an initial list from users belonging to said group based on the call's level of urgency, and by then producing said list based on geolocation data related to the called user and related to third-party users belonging to said initial list. ### Claim 7 (depends on 1) A method according to claim 1, whereby the call's level of urgency is determined by transferring the call to a voice server that has a system for evaluating the call's level of urgency. ### Claim 8 A communication server for contacting a user who owns a mobile terminal, who is the recipient of a call from a calling user's communicating device to the mobile terminal and who cannot be reached by means of the mobile terminal over a telecommunications network, said communication server comprising: means for determining a level of urgency of the call, means for determining a list of third-party users who may be placed in contact with the calling user, based on the social relationship between the called user and each third-party user, geolocation data related to the called user and related to third-party users, and the call's level of urgency, and means for establishing a call between the call to user and at least one third-party user on the list. ### Claim 9 A computer program capable of being implemented in a server for contacting a user who owns a mobile terminal, who is the recipient of a call from a calling user's communicating device to the mobile terminal and who cannot be reached by means of the mobile terminal over a telecommunications network, sent program comprising instructions which, when the program is loaded and executed within said server, carry out the following: determining an urgency level of the call, determining a list of third-party users who may be placed in contact with the calling user, based on the social relationship between the called user and each third-party user, geolocation data related to the called user and related to third-party users, and the call's level of urgency, and establishing a call between the calling user and at least one third-party user on the list.