| CPC H04W 4/14 (2013.01) [H04W 24/02 (2013.01)] | 6 Claims |

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1. A method for managing short data service (SDS) communication in a mission critical data (MCData) communication system, by a first user equipment (UE), the method comprising:
identifying a presence of allow-to-transmit data;
identifying whether a size of a payload of a one-to-one standalone SDS message is greater than maximum amount of data in a single request; and
transmitting the one-to-one standalone SDS message to a second UE using a signaling control plane or a media plane,
wherein the transmitting the one-to-one standalone SDS message comprises:
in case that the size of the payload is less than or equal to maximum payload size associated with a signaling over a control plane, transmitting the one-to-one standalone SDS message using the signaling control plane, and
in case that the size of the payload is greater than maximum payload size associated with the signaling over the control plane, transmitting the one-to-one standalone SDS message using the media plane.
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