ตู้ PBX
dtôo pee-bee-èkMeaning
1NounB2
PBX switchboard; PBX system
A private branch exchange (PBX) telephone switching system used within an organization or enterprise.
Tones
See how the spelling sets each syllable's tone, step by step.
Why is ตู้ PBX said ตู้-พี-บี-เอ๊ก?
dtôo pee-bee-èk
The tone rules below use the spoken syllables.
4 syllables · pick one to see its rule
How the tone is decided
- Consonant classMid class
- Tone markMai tho
- Syllable endingLive syllableNot needed here: the tone mark decides.
Mid class consonants
กจฎฏดตบปอ
Result
Falling tone
dtôo
Starts high, rises a little, then drops clearly.
Mid class + Mai tho → Falling
Tone chart
Every class and spelling pattern, with this syllable outlined.
| Mid class | High class | Low class | |
|---|---|---|---|
| No mark + live | Mid | Rising | Mid |
| No mark + dead short | Low | Low | High |
| No mark + dead long | Low | Low | Falling |
| Mai ek | Low | Low | Falling |
| Mai tho | Falling | Falling | High |
| Mai tri | High | — | — |
| Mai chattawa | Rising | — | — |