According to an embodiment, a method for suspending content transmission/reception, includes: transmitting, if content reception within a certain channel needs to be suspended, an error notification message to a server, wherein the error notification message includes a first element indicating that the content reception is suspended, and a second element indicating a name, an attribute, or a value of a message found to be an error; transmitting a channel suspend request message to the server, wherein the channel suspend request message includes a third element for specifying an ID for the certain channel; and receiving a channel suspend response message from the server, wherein the channel suspend response message includes a fourth element containing IDs and status values for the channels requested for the transmission suspension.