# US 9,521,262 B2 · Method and apparatus for calling terminal to join conference > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,521,262 B2 - Document ID: US9521262B2 - Status: Granted - Kind: B2 - Application number: 14/450,371 - Filed: 2014-08-04 - Published: 2014-12-11 - Granted: 2016-12-13 - Earliest claimed: 2012-02-28 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Dongqi Wang; Zhihui Liu; Ningbo Qiao - Web page: https://patentgrep.com/patent/US9521262B2 ## CPC - H04M 3/567: {Multimedia conference systems} - H04L 12/1818: {Conference organisation arrangements, e.g. handling schedules, setting up parameters needed by nodes to attend a conference, booking network resources, notifying involved parties} - H04L 65/403: Arrangements for multi-party communication, e.g. for conferences (data switching systems for conference H04L12/18; arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities H04M3/56; television conferencing systems H04N7/15) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method and an apparatus for calling a terminal to join a conference, related to the field of communications technologies, resolving a problem that a process in which a calling terminal calls a called terminal to join the conference or a called terminal requests joining the conference is complicated. The method includes the following steps: receiving first call request information, where the first call request information carries identification information of the called terminal; and calling the called terminal according to the identification information of the called terminal, so that the called terminal receives a message which is published by another terminal in a current conference and that the called terminal publishes a message to another terminal in the current conference. The method may be applied to calling a terminal to join a conference. ## Claims ### Claim 1 A method for calling a terminal to join a conference, wherein the method comprises: obtaining site information of a site that is involved in the conference, wherein the site information comprises location information of the site and at least one of accommodating state information of the site and conference signal strength information sent by the site, and wherein the site corresponds to a called terminal; receiving a first call request information, wherein the first call request information carries identification information of the called terminal; and calling the called terminal according to the identification information of the called terminal, wherein the called terminal receives a first message that is published by another terminal in the conference, and wherein the called terminal publishes a second message to another terminal in the conference. ### Claim 2 (depends on 1) The method for calling the terminal to join the conference according to claim 1, wherein calling the called terminal according to the identification information of the called terminal comprises: sending call instruction information to the site corresponding to the called terminal when there is the site corresponding to the called terminal, wherein the call instruction information is used to instruct the site to send second call request information to the called terminal, and wherein the second call request information carries the identification information of the called terminal; and sending third call request information to the called terminal according to the identification information of the called terminal when there is no site corresponding to the called terminal. ### Claim 3 (depends on 2) The method for calling the terminal to join the conference according to claim 2, wherein before calling the called terminal according to the identification information of the called terminal, the method further comprises storing information about a correspondence between the called terminal and the site, and wherein the site is determined according to the identification information of the called terminal and the stored information about the correspondence between the called terminal and the site. ### Claim 4 (depends on 3) The method for calling the terminal to join the conference according to claim 3, wherein the site information is selected by the called terminal using a call control application. ### Claim 5 (depends on 1) The method for calling the terminal to join the conference according to claim 1, wherein calling the called terminal according to the identification information of the called terminal comprises: obtaining site information of all sites that are involved in the current conference, wherein the site information of all of the sites that are involved in the current conference comprises accommodating state information of the sites, location information of the sites, and conference signal strength information sent by the sites; generating called terminal site recommendation information according to the accommodating state information, wherein the called terminal site recommendation information comprises recommended site information of one the sites that are involved in the current conference, wherein the one of the sites is at least one of in an unsaturated accommodating state, within a preset distance from the called terminal, and having a signal strength higher than a threshold; sending the called terminal site recommendation information to the called terminal when the called terminal site recommendation information comprises the recommended site information of one the sites that are involved in the current conference, wherein the called terminal selects, according to the called terminal site recommendation information, one piece of site information corresponding to the called terminal from the site information in the called terminal site recommendation information; receiving site selection information sent by the called terminal, wherein the site selection information comprises the one piece of site information corresponding to the called terminal; and sending call instruction information to the site corresponding to the site information in the site selection information such that the site calls the called terminal to join the current conference. ### Claim 6 (depends on 5) The method for calling the terminal to join the conference according to claim 5, wherein obtaining site information of all of the sites that are involved in the current conference comprises, obtaining, using a radio frequency identification technology, the site information of all of the sites that are involved in the current conference. ### Claim 7 (depends on 1) The method for calling the terminal to join the conference according to claim 1, wherein the first call request information is sent by the calling terminal or the called terminal using at least one of a remote user interface technology and a call control application. ### Claim 8 A non-transitory computer readable medium comprising: computer-executable instructions for calling a terminal to join a conference, wherein the computer-executable instructions, when executed by a processor of an apparatus, cause the apparatus to perform operations comprising: obtaining site information of a site that is involved in the conference, wherein the site information comprises location information of the site and at least one of accommodating state information of the site and conference signal strength information sent by the site, and wherein the site corresponds to a called terminal; receiving a first call request information, wherein the first call request information carries identification information of the called terminal; and calling the called terminal according to the identification information of the called terminal, wherein the called terminal receives a first message that is published by another terminal in the conference, and wherein the called terminal publishes a second message to another terminal in the conference. ### Claim 9 (depends on 8) The non-transitory computer readable medium according to claim 8, wherein the operation of calling the called terminal according to the identification information of the called terminal comprises: sending call instruction information to the site corresponding to the called terminal when there is the site corresponding to the called terminal, wherein the call instruction information is used to instruct the site to send second call request information to the called terminal, and wherein the second call request information carries the identification information of the called terminal; and sending third call request information to the called terminal according to the identification information of the called terminal when there is no site corresponding to the called terminal. ### Claim 10 (depends on 9) The non-transitory computer readable medium according to claim 9, wherein the computer-executable instructions, when executed by the processor of the apparatus, further cause the apparatus to perform operations comprising storing information about a correspondence between the called terminal and the site and wherein the site is determined according to the identification information of the called terminal and the stored information about the correspondence between the called terminal and the site. ### Claim 11 (depends on 10) The non-transitory computer readable medium according to claim 10, wherein the site information is selected by the called terminal using a call control application. ### Claim 12 (depends on 8) The non-transitory computer readable medium according to claim 8, wherein the operation of calling the called terminal according to the identification information of the called terminal comprises: obtaining site information of all sites that are involved in the current conference, wherein the site information of all of the sites that are involved in the current conference comprises accommodating state information of the sites, location information of the sites, and conference signal strength information sent by the sites; generating called terminal site recommendation information according to the accommodating state information, wherein the called terminal site recommendation information comprises recommended site information of one the sites that are involved in the current conference, wherein the one of the sites is in an unsaturated accommodating state, within a preset distance from the called terminal, and having a signal strength higher than a threshold; sending the called terminal site recommendation information to the called terminal when the called terminal site recommendation information comprises the recommended site information of one the sites that are involved in the current conference, wherein the called terminal selects, according to the called terminal site recommendation information, one piece of site information corresponding to the called terminal from the site information in the called terminal site recommendation information; receiving site selection information sent by the called terminal, wherein the site selection information comprises the one piece of site information corresponding to the called terminal; and sending call instruction information to the site corresponding to the site information in the site selection information, wherein the site calls the called terminal to join the current conference. ### Claim 13 (depends on 12) The non-transitory computer readable medium according to claim 12, wherein the operation of obtaining site information of all of the sites that are involved in the current conference comprises, obtaining, using a radio frequency identification technology, the site information of all of the sites that are involved in the current conference. ### Claim 14 (depends on 8) The non-transitory computer readable medium according to claim 8, wherein the first call request information is sent by the calling terminal or the called terminal using at least one of a remote user interface technology and a call control application. ### Claim 15 A computer program product comprising computer executable instructions which are stored on a non-transitory computer readable medium, wherein the executable instructions, when executed by a computer program processor, cause an apparatus for calling a terminal to join a conference to perform operations comprising: obtaining site information of a site that is involved in the conference, wherein the site information comprises location information of the site and at least one of accommodating state information of the site and conference signal strength information sent by the site, and wherein the site corresponds to a called terminal; receiving a first call request information, wherein the first call request information carries identification information of the called terminal; and calling the called terminal according to the identification information of the called terminal, wherein the called terminal receives a first message which is published by another terminal in the conference and that the called terminal publishes a second message to another terminal in the conference. ### Claim 16 (depends on 15) The computer program product according to claim 15, wherein the operation of calling the called terminal according to the identification information of the called terminal comprises: sending call instruction information to the site corresponding to the called terminal when there is the site corresponding to the called terminal, wherein the call instruction information is used to instruct the site to send second call request information to the called terminal, and wherein the second call request information carries the identification information of the called terminal; and sending third call request information to the called terminal according to the identification information of the called terminal when there is no site corresponding to the called terminal. ### Claim 17 (depends on 16) The computer program product according to claim 16, wherein the computer executable instructions further cause the apparatus to perform operations comprising storing information about a correspondence between the called terminal and the site, and wherein the site is determined according to the identification information of the called terminal and the stored information about the correspondence between the called terminal and the site. ### Claim 18 (depends on 17) The computer program product according to claim 17, wherein the site information is selected by the called terminal using a call control application. ### Claim 19 (depends on 15) The computer program product according to claim 15, wherein the operation of calling the called terminal according to the identification information of the called terminal comprises: obtaining site information of all sites that are involved in the current conference, wherein the site information of all of the sites that are involved in the current conference comprises accommodating state information of the sites, location information of the sites, and conference signal strength information sent by the sites; generating called terminal site recommendation information according to the accommodating state information, wherein the called terminal site recommendation information comprises recommended site information of one the sites that are involved in the current conference, wherein the one of the sites is in an unsaturated accommodating state, within a preset distance from the called terminal, and having a signal strength higher than a threshold; sending the called terminal site recommendation information to the called terminal when the called terminal site recommendation information comprises the recommended site information of one of the sites that are involved in the current conference, wherein the called terminal selects, according to the called terminal site recommendation information, one piece of site information corresponding to the called terminal from the site information in the called terminal site recommendation information; receiving site selection information sent by the called terminal, wherein the site selection information comprises the one piece of site information corresponding to the called terminal; and sending call instruction information to the site corresponding to the site information in the site selection information, wherein the site calls the called terminal to join the current conference. ### Claim 20 (depends on 19) The computer program product according to claim 19, wherein the operation of obtaining site information of all of the sites that are involved in the current conference comprises, obtaining, using a radio frequency identification technology, the site information of all of the sites that are involved in the current conference.