What does PTT stand for?
PTT stands for "Post Telegraphy and Telephony"
How to abbreviate "Post Telegraphy and Telephony"?
"Post Telegraphy and Telephony" can be abbreviated as PTT
What is the meaning of PTT abbreviation?
The meaning of PTT abbreviation is "Post Telegraphy and Telephony"
What does PTT mean?
PTT as abbreviation means "Post Telegraphy and Telephony"
