1.2. Features
y Compliant with IETF RFC 3261 SIP standards
y Provide 2 or 4 RJ-11 FXS ports for phone set or fax machine
y Provide 2-port 10/100M Ethernet switch
y Provide advanced telephony features, such as call hold, call forward and call
transfer
y Support Proxy and Peer-to-Peer Mode
y Support FAX over IP (T.38)
y Support FSK and DTMF Caller ID
y Support Static IP, DHCP and PPPoE connection
y TFTP/FTP firmware upgrade
y QoS : ToS (Type of Service)
Audio feature
● Codec: G.711 a/µ-law, G.723.1 (6.3kbps), G.729A
● VAD (Voice Activity Detection)
● CNG (Comfort Noise Generate)
● G.168/165-compliant adaptive echo cancellation
● Dynamic Jitter Buffer
● Bad Frame Interpolation
● Voice/DTMF Gain Settings
Interface
● One 10/100 Base-T Ethernet RJ45 port for WAN
● One 10/100 Base-T Ethernet RJ45 ports for LAN
● Two RJ11(SP5002/S) / Four RJ11(SP5004/S) FXS Ports
● One RS-232 Serial Port
● DC 12V input.
System Management
WEB Interface, Telnet, Console
Environment
Operating and storage Humidity: 10 to 90 % (Non-condensing)
Operational Temperature: 0 to 40 ℃
Storage Temperature: -10 to 50 ℃
Dimension & Weight : 230 x 150 x 38 mm, 360g
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