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15.3. Specifications
Voice Interface
FXS interface
FXO interface
Connectors
Voice compression
Silence suppression
Echo cancellation
Jitter buffer
Gain control
Transport protocols
Call control protocol
Network Interface
Number of ports
Interface
Connectors
General Spec
Dimension
Power
Power consumption
Working environment
EMI
PTT
Safety
Loop start, 2 wire
Feeding Voltage: 20V
Feeding Current: 30 mA
Loop start, 2 wire
RJ-11 Connectors (3304/3306)
IDC Connectors (3310/3318)
G.711/G.723/G.729AB
VAD, CNG
G.165/G.168 16ms
Adaptive jitter buffer management
In/Out +/-6db
RTP, RTCP
Pure SIP
Two Ethernet ports
10BASE-T/100BASE-TX Auto-negotiation
RJ-45 Connectors
VG3306: 172mm x 177mm x 35 mm
VG3310: 440mm x 44mm x 254 mm
VG3318: 440mm x 66mm x 254 mm
Voltage: 100-240 VAC, Frequency: 50/60 Hz
VG3306: 12W
VG3310/3716: 70W
Operating temperature: 0 to 50℃
Storage temperature: -10 to 70℃
FCC part 15 Class B . CE Mark
FCC part 68 , NALTE , iDA , JATE
cUL , CCIB , CB
77
VG3300
series user guide
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