Rocket Man (officially titled Rocket Man (I Think It's Going to Be a Long, Long Time)) is a song composed by Elton John and Bernie Taupin and originally performed by John. The song first appeared on John's 1972 album Honky ChÃ¢teau and became a hit single, rising to No. 2 in the UK and No. 6 in the US.
Any replies from iOS devices will show up in the iMessage conversation thread, while replies from non-Apple devices will show up as separate text messages. Any SMS or MMS message will count as an ordinary text message and will not use data.
In the same way, when you send a message, your phone sends it to the tower on the control channel and it goes from the tower to the SMSC and from there to its destination. The actual data format for the message includes things like the length of the message, a time stamp, the destination phone number, the format, etc. For a complete byte-by-byte breakdown of the message format, see this page.