“DTMF”是“Dual-Tone Multi-Frequency”的缩写，意思是“

11.08 -

“TI”是“Terminal Indicate identity”的缩写，意思是“终

11.08 -

“TII”是“Terminal Indicate Identity”的缩写，意思是“

11.07 -

“TIN”是“Terminal Indicate Number”的缩写，意思是

11.07 -

“TIP”是“True Image Projector”的缩写，意思是“真像放

11.07 -

“TIS”是“Terminal Indicate Secondary”的缩写，意思是“

11.07 -

“TIX”是“Terminal Indicate additional channel X”的

11.07 -

“TJB”是“Telephone Junction Box”的缩写，意思是“电话

11.07 -

“TJB”是“Telephone Junction Box”的缩写，意思是“电话

11.07 -

“TJR”是“Trunk and Junction Routing”的缩写，意思是“

11.07 -