Protocol:
■ SIP RFC3261
Compatible Server:
■ OpenSER Asterisk
Telephony Features:
■Call
Hold, Call Transfer, Call Forward
FAX Support:
■ Provide T.38/FAX and voice Auto-Switching
Audio Codec Support :
■G.711A/μ-law,
G.723.1, G.729A, G.729, G.729B, G.729AB
Network Interface:
■ A 10BaseT Ethernet RJ-45 port
FXO Interface:
■ Four Analog PSTN (FXO) RJ-11 port
■Voice
Quality:
(1) VAD (Voice Activity Detection)
(2) CNG (Comfort Noise Generation)
(3) G.168/165-compliant adaptive echo cancellation
(4) Dynamic Jitter Buffer
(5) Bad Frame Interpolation
(6) Completed voice band signaling support
(7) Receive Caller ID (DTMF or FSK) from PSTN
(8) Provide Inbound or Outbound DTMF Generation / detection
between LAN and PSTN interface
(9) Gain/Attenuation Settings
QOS:
■QOS
by setting DSCP (Differentiated Service Code Point) parameters
of VoIP packet
Caller ID:
■Caller
ID (FSK) detection
Console:
■ Asynchronous Console RS-232C
DB-9 connector
Tone
:
(1) DTMF detection/generation
(2) DTMF Dialing
(3) Support auto-attendant (tone or voice greeting)
(4) Provide 2nd dial tone to PSTN
Network
Support:
(1) Fixed IP and DHCP
(2) PPPoE
(3) Behind NAT Router or IP sharing device
Configuration & Management:
■Console
port, TELNET and Web Browser
Upgrade:
■Firmware
upgrade through network by TFTP/FTP
Power:
■AC
power input outlet, AC power switch
Certification:
■CE
Class B, LVD
Operation Temp:
■5°
C to 40° C
Humidity:
■ 10% to 90% (Non-condensing)
Dimension:
■221mm(W)
x 42mm(H) x 217mm(D)
Weight(unit):
■1.4
kg
