Acquisition Card / Test Interface Ports
– Analog FXO and E&M
– 10/100 Ethernet (VoIP) interfaces.
VQT Application
– Intuitive(직관) and easy-to-use software
– Provide necessary steps to test voice quality, calculates and
displays measurement results in both graphical and
spreadsheet formats
VQT Hardware Platforms
– VQT Portable Analyzer
Other VQT hardware
– MPU (Multi-Port Unit)
Voice Quality definition
PAMS, PESQ
Echo PACE, Echo Doubletalk
Delay
VAD
DTMF Tone measurement
Signal Loss measurement
Impulse Response