Abstract: A method, a mission critical (MC) server, and a receiver for managing media communication in an MC system are provided. The method comprises receiving, from a sender, a request and a media stream for transmitting the media stream to one or more receivers. The request indicates a mode of transmission of the media stream. Further, the method comprises transmitting a notification message indicating a mode of reception identified based on the mode of transmission, to the one or more receivers for receiving the media stream from the sender. The mode of reception is one from among an emergency mode and a normal mode. Thereafter, the method comprises transmitting the media stream to the one or more receivers subsequent to transmission of the notification message, when the mode of reception is the emergency mode.

Abstract: A method, performed by a mission critical data (MCData) message store entity, of depositing MCData for file distribution (FD). the method includes receiving a MCData deposit an object request message or a MCData retrieve file to store locally request message, wherein the MCData deposit an object request message comprises information regarding the object and the MCData retrieve file to store locally request message comprises information regarding object identifier, based on the MCData deposit an object request message or the MCData retrieve file to store locally request message, retrieving uniform resource locator (URL) of file content in a MCData content server, based on a result of the retrieving, fetching the file content from the MCData content server, storing the file content into a MCData user's storage area in the MCData message store entity, and updating the object with the URL referencing the file content stored in the MCData user's storage area.

Abstract: Embodiments herein disclose a method for handling a MC service in a wireless communication system (300). The method includes receiving, by a MCData server (200), a MCData deferred messages list request to get a MCData deferred messages list from a MCData client (100a). Further, the method includes sending, by the MCData server (200), a MCData deferred messages list response to the MCData client (100a) based on the received MCData deferred messages list request. The MCData deferred messages list response includes a MCData group ID, a deferred signalling payload and at least one parameter.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure provides methods and systems for managing emergency indications and emergency state of MCPTT clients.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose methods for location management in a wireless network by a MC client. The method includes receiving, by a MC client, at least one of a location reporting configuration request and a location information request from a location management server (LMS). Further, the method includes sending, by the MC client MC client, at least one of a MC gateway location reporting configuration request to a MC gateway UE based on the location reporting configuration request for an event triggered location reporting and a MC gateway location information request for an on-demand location to request a 3GPP access network related location information based on the location information request. Further, the method includes receiving a MC gateway location information report comprising location information requested by the MC client.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). In an embodiment, a method for sharing a recording status inside a MCVideo group call is disclosed. The method includes receiving, by a plurality of UE participating in the MCVideo group call, a live video stream from a MCVideo server in the MCVideo group call; recording, by at least one UE amongst plurality of UEs, the live video stream, received from MCVideo server in MCVideo group call; appending, by at least one UE recording live video stream, recording status indicative of recording of live video stream, to a transmission control message and communicating transmission control message to MCVideo server.

Abstract: A method, performed by a mission critical data (MCData) message store entity, of depositing MCData for file distribution (FD). the method includes receiving a MCData deposit an object request message or a MCData retrieve file to store locally request message, wherein the MCData deposit an object request message comprises information regarding the object and the MCData retrieve file to store locally request message comprises information regarding object identifier, based on the MCData deposit an object request message or the MCData retrieve file to store locally request message, retrieving uniform resource locator (URL) of file content in a MCData content server, based on a result of the retrieving, fetching the file content from the MCData content server, storing the file content into a MCData user's storage area in the MCData message store entity, and updating the object with the URL referencing the file content stored in the MCData user's storage area.

Abstract: The method includes determining that the remote ambient call is established between an MCPTT first electronic device (100) and an MCPTT second electronic device (200) and sending a floor grant message to the MCPTT second electronic device (200) wherein the floor grant message includes mandatory acknowledgment required indication set for the MCPTT second electronic device (200) to share the location information of the MCPTT second electronic device (200) with the MCPTT first electronic device (100) by an MCPTT server (300). Further, the method includes receiving a floor grant acknowledgement message with the location information of the MCPTT second electronic device (200) and sharing the location information of the MCPTT second electronic device (200) with the MCPTT first electronic device (100) in the remote ambient call of the MCPTT service using a floor taken message by the MCPTT server (300).

Abstract: A method for rule-based mission critical (MCX) communication by an MCS server is provided. The method includes: receiving, from an MCX client, an MCX service request which includes rule-set information for the MCX service request; determining at least one MCX participant required for the MCX service request based on the rule-set information for the MCX service request; and initiating a wireless communication between the determined MCX participant and the MCX client based on the rule-set information for the MCX service request.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure relates to a wireless communication network, and more specifically related to method and apparatus for handling mission critical service (MCS) in the wireless communication network.

Abstract: The disclosure relates to 5G/6G communication systems for supporting a higher data transmission rate. Embodiments provide a method for controlling an ad-hoc group communication with a security context for MCX services. The method includes sending, by first MC service client device 100, an ad-hoc group communication request message to an MC service server to establish the ad-hoc group communication with a second MC service client device. The MC service server determines whether the ad-hoc group communication is supported and successfully authorized based on the received ad-hoc group communication request.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method for binding or unbinding a functional alias with at least one mission critical services (MCX) group in an MCX network, including creating or updating, by an MCX server, an association of a functional alias with the at least one MCX group when the SIP message request is received to create binding of the functional alias with at least one MCX group, or disassociating by the MCX server an association of the functional alias with the at least one MCX group when the SIP message request is received to remove the binding of the functional alias with the at least one MCX group, and sending, by the MCX server, an SIP message response to MCX client device confirming whether the creation or removal of binding of the functional alias with the at least one MCX group is successful or unsuccessful.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide a method for handling functional alias in a conference event package in a wireless network by a server. The method includes detecting a group call associated with a group in the wireless network. Further, the method includes providing a SIP NOTIFY message comprising an ID of each member of a plurality of members of the group, and an IE indicating the functional alias bound by each member of the plurality of members with the group. Further, the method includes sending the SIP NOTIFY message to a client device corresponding to each member of the plurality of members of the group.

Abstract: The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). A method is provided. The method includes transmitting by at least one sender, respective MCData User Identifier (ID) to at least one receiver User Equipment (UE), receiving, by the at least one receiver UE, the MCData User ID of the at least one sender UE, and decoding, by the at least one receiver UE, the received sender MCData User ID to identify the at least one sender UE, wherein the sender MCData User ID is included in one of a signaling payload message content and a MCData notification message sent by the at least one sender UE to the at least one receiver UE.

Abstract: In an example embodiment of present disclosure, a method and apparatus to exchange an SSRC value between a client and a server for implicit floor requests are disclosed. In an embodiment, the exchange of the SSRC value between the client and the server for implicit floor requests is being done with Explicit Grant Support during a Multi-Talker MCPTT call where the SSRC sharing in FMTP media attribute of Session Description Protocol (SDP). In an embodiment, exchange of the SSRC value between the client and the server for implicit floor requests is being done with Implicit Grant Support during a Multi-Talker MCPTT call where the SSRC sharing in FMTP media attribute of SDP. In an embodiment, exchange of the SSRC value between the client and the server for implicit floor requests is being done with Implicit/Explicit Grant Support during a Multi-Talker MCPTT call where the SSRC sharing in SSRC and FMTP media attribute of SDP.

Abstract: Methods for handling Media-based Modulation (MBM) in a wireless network (1000) by a Mission Critical (MC) Gateway (GW) User Equipment (UE) (300) are provided. The method includes storing information associated with an identifier at the MC gateway UE (300) in response to receiving an MC gateway Multimedia Broadcast Multicast Services (MBMS) bearer announcement from an MC client (100). The MC gateway UE (300) uses the identifier and the information to activate for monitoring the MBMS bearer by the MC gateway UE (300). Further, the method includes sending an MBMS listening status report to the MC client (100) based on the MC GW MBMS bearer announcement. Further, the method includes establishing a communication channel with the MC client (100) based on a parameter to receive an MC service data from the MC gateway UE (300), where the MC gateway UE (300) forwards the MC service data to the MC client (100).

Abstract: A method for sharing a reason cause for a mission critical communication (MCX) communication over pre-established session in an MCC network is provided. The method includes transmitting, to the server, a call initiation request to initiate a call, wherein the call initiation request includes first information on a session type and second information on a resource list, receiving, from the server, a mission critical pre-established session control (MCPC) connect message including a security message, determining whether an authentication for the security message is successful, and transmitting, to the server, a first MCPC acknowledgement message including a reason cause field to inform a reason for terminating the call in response to determining that the authentication for the security message is not successful.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as long term evolution (LTE). A method for handling reception of a plurality of media streams in a mission critical (MC) system is provided.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose methods and systems for providing support for ad hoc group calls in mission critical services. The method includes listing, by an MCPTT client, a list of MCPTT participants or a functional alias to initiate an ad hoc group call in a MCX on network. The method further includes initiating, by the MCPTT client, the ad hoc group call with a list of MCPTT participants or the functional alias by sending a group call request to an MCPTT server.

Abstract: A method for managing a Mission Critical Video (MCVideo) group call is provided. The method includes transmitting by at least one sender user equipment (UE) in the MCVideo group call, a MCVideo message to an MCVideo Server, receiving, by at least one receiver UE in the MCVideo group call, the MCVideo message from the MCVideo server, wherein at least one of a plurality of functional alias identification (ID) is encoded and included in the MCVideo message, and decoding, by the at least one receiver UE in the MCVideo group call, the at least one of the plurality of functional alias ID from the MCVideo message.