 |
| |||
| 협대역 오디오 (Audio transmission that uses conventional telephony bandwidths for voice) | |||
| narrowband audio: 2 phrases in 1 subject |
| Microsoft | 2 |
|
| |||
| 협대역 오디오 (Audio transmission that uses conventional telephony bandwidths for voice) | |||
| narrowband audio: 2 phrases in 1 subject |
| Microsoft | 2 |