...SPECIFICATIONS......................................................

Voice Feature >>

• G.722 64kbps, G.711 a/μ-law, G.729A, G.726, G.723.1, GSM 6.10 Full Rate,
　iLBC 13.3 kbps
• DTMF Detection and Generation
• Silence Suppression & Detection
• Comfort Noise Generation (CNG)
• Voice Activity Detection (VAD)
• Echo Cancellation (G.168)
• Dynamic Jitter Buffer
• Call progress tone detection (FXO) and generation (FXS)
• Programmable Gain Control
• Inbuilt Local Mixer
• ITU-T V.152 Voice-band Data over IP Networks

Telephony Specifications >>

• Configurable Payphone charging pulse interval by SIP OPTION
• In-Band DTMF, Out-of-Band DTMF Relay (RFC2833 or SIP INFO)
• DTMF / PULSE Dial
• Caller ID Generation / Detection:
　DTMF
　FSK-Bellcore Type 1 & 2
　FSK-ETSI Type 1 & 2
　FSK-NTT
　FSK: Calling Name, Number, Date and Time, VMWI
• FXS metering pulse options:
　Polarity Reversal
　12kHz calling tone
　16kHz calling tone
• Configurable Payphone charging signal interval by SIP OPTION
• Polarity Reversal Detection (FXO) and Generation (FXS)
• T.30 FAX passthrough, T.38 Real Time FAX Relay
• Auto PSTN bypass at network or power failure(SP350SO)
• ROH Tone (Receiver Off-Hook Tone @ 480 Hz)
• Loop Current Suppression
• Call Feature enable/disable via phoneset

Physical >>

• WAN : 1 x 100 baseTx,
　auto cross-over,
　auto speed negotiation,
　RJ-45 connector
• LAN : 1 x 100 baseTx,
　auto cross-over,
　auto speed negotiation,
　RJ-45 connector
• Telephone : RJ11 FXS or FXO port
• Factory default and Reset button Power jack

LED Indicators >>

• SP350DS : Power, Alarm, Register, Phone 1, Phone 2, WAN, LAN
• SP350SO : Power, Alarm, Register, Phone, Line, WAN, LAN

....NETWORK FEATURES ........................................................

IP Network Specifications >>

• WAN: Static IP, PPPoE, DHCP, PPTP and L2TP
• NAT Functions
　Support up to 250 Clients
　Port Forwarding (Virtual Servers)
　DMZ
• Support IPv4, IPv6(optional)
　QoS Support:
　WAN: DiffServ, IP Precedence, Priority Queue
　Rate Control, 802.1Q (VLAN Tagging),
　802.1p (Priority Tag)
　LAN: Rate Limit
• DDNS Support
• Network Protocol Support:
　IP, TCP, UDP, TFTP, FTP, RTP, RTCP, ARP, ICMP, NTP,DHCP, STUN Client, HTTP,
　HTTPS, DNS, DNS SRV, Telnet,UPnP, IGMP, IGMP snooping, IGMP proxy,
　RTSP ALG, SIP ALG

....STANDARD COMPLIANCE..........................................................

SIP, Voice and FAX Related Standard>>

• RFC1889、RFC2543、RFC2833、RFC2880、RFC2976、RFC3261、RFC3262、
　RFC3263、RFC3264、RFC5359、RFC3265、RFC3311、RFC3323、RFC3325、
　RFC3362、RFC3515、RFC3550、RFC3665、RFC3824、RFC3841、RFC3842、
　RFC3891、RFC3892、RFC3960、RFC3986、RFC4028

Network Related Standard>>

• RFC318、RFC791、RFC792、RFC793、RFC768、RFC826、RFC959、RFC1034、
　RFC1035、RFC1058、RFC1157、RFC1305、RFC1321、RFC1349、RFC1350、
　RFC1661、RFC1738、RFC2854、RFC2131、RFC2136、RFC2327、RFC2474、
　RFC2516、RFC2616、RFC2617、RFC2637、RFC2766、RFC2782、RFC2818、
　RFC2916、RFC3022、RFC3489