videotelephone
1. Research on ISDN Videotelephone Fallback Protocol
ISDN可视电话降格使用协议的研究
2. videotelephone station
可视电话站
3. videotelephone communication
电视电话通信
4. The application of the linear and nolinear filter to the image compression coding at a low bit rate videotelephone picture
线性及非线性滤波在低码率可视电话图像压缩编码中的应用
5. coding videotelephone
编码电视电话
6. monochrome videotelephone signal
黑白可视电话信号