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GENERAL FEATURES AND SPECIFICATIONS
Voice Features
■ G.711 a/μ-law, G.723.1, G.726,
G.729A/B
■ DTMF Detection and Generation
■ Silence Suppression & Detection
■ Comfort Noise Generation (CNG) ,
■ Voice Activity Detection (VAD)
■ Echo Cancellation (G.165/G.168)
■ Adaptive (Dynamic) Jitter Buffer
■ Call progress tone detection (FXO) and
generation (FXS)
■ Auto or Programmable Gain Control
■ ITU-T V.152 Voice-band Data over IP
Networks
SIP
Method Support
ACK, BYE, CANCEL, INFO, INVITE, MESSAGE,
NOTIFY, OPTIONS, PING, PRACK, PUBLISH,
REFER, REGISTER, SUBSCRIBE, UPDATE
SIP Call
Features
■ Peer to Peer Call
■ Call Hold / Retrieve
■ Call Waiting
■ Call Pick Up
■ Call Park / Retrieve (SIP Server
Required)
■ Call Forward - unconditional, busy, no
answer
■ Call Transfer - attended, unattended
■ Do Not Disturb
■ Speed Dialing
■ Repeat Dialing
■ Three-way Calling
■ MWI (RFC-3842)
■ Hot Line and Warm Line
Telephony
Specifications
■ In-Band DTMF, Out-of-Band DTMF Relay
(RFC2833 or SIP INFO)
■ DTMF / PULSE Dial Support
■ 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:
Polarity Reversal
12kHz calling tone
16kHz calling tone
■ T.30 FAX Bypass to G.711, T.38 Real
Time FAX Relay
■ FXS Line test and diagnostics with
visual alarm indication
Inward self test:
Loopback – codec
Loopback – analogue
SLIC DC power voltage
Tip / Ring DC feed
Ringer
Outward Test (GR909 Standard) :
REN
Phone Line disconnected
H.F. DC Voltage (Hazardous and
foreign DC Voltage)
H.F. AC Voltage (Hazardous and
foreign AC Voltage)
Tip / Ring Short
■ Modem over IP up to 14,400bps (SP1700
series up to V.34)
■ Failsafe mechanism: FXS auto or manual
relay to FXO /PSTN through hardware
relay or internal PCM Bus while Network,
Service or power failure occurs
■ ROH Tone (Receiver Off-Hook Tone @ 480
Hz)
■ Loop Current Suppression
SIP
Account Management
■ By port registration
■ By device registration (share account)
■ Mixed mode (Hunt number for inbound,
by port number for outbound)
■ Invite with Challenge
■ Register by SIP Server IP Address or
Domain Name
■ Support RFC3986 SIP URI format
SIP Call
Management
■ Support Outbound Proxy
■ Redundant Mode: Active / Standby
Server Registration for SIP
■ Register up to three SIP servers
(Optional)
■ SIP Registration Failover Mechanism
■ Group Hunting
■ Privacy Mechanism / Private Extensions
to SIP
■ Session Timers (Update / Re-invite)
■ DNS SRV Support
■ Call Types: Voice / Modem / FAX
■ Call Routing by Prefix Number
■ User Programmable Dial Plan Support
■ Toll-Free Support (FXO/PSTN)
■ Automatic Calling Number Manipulation
(VoIP & FXO/PSTN)
■ CDR Client
■ Manual Peer Table (for P2P calls)
■ E.164 Numbering, ENUM support
Physical
Interface
■ WAN : 1 x 100 baseT interface, auto
cross-over, auto speed negotiation,
RJ-45 connector
■ LAN : 1 (SP300/350 series), 2
(SP1700/17x0T series), 4
(SP4220/8440/5220/5250 series) x 100
baseT interface, auto cross-over, auto
speed negotiation, RJ-45 connector
■ 2 (SP300/350 series), 4 (SP4220
series), 8 (SP5220/5250/8440/9440
series) x RJ11 connectors for FXS/FXO/PSTN
line wiring
■ 1 or 2 x RJ21 female connector for
SP1700 series model FXS/FXO/PSTN line
output wiring
■ Power jack connector,
■ AC / DC power jack (SP1700 & SP17x0T
series only),
■ Power switch
(SP5220/5250/9440/SP1700/SP17X0T series
only),
■ Reset button
LED
Indicators
■ SP300 series:
Power, Register, WAN, LAN, Phon 1, Phone
2 or Phone, Line
■ SP350 series:
Power, Alarm, Register, WAN, LAN, Phon 1
/ Phone 2 or Phone / Line
■ SP4220 series:
Power, Run, Alarm, WAN, LAN1-LAN4, P1 ~
P4 (FXS or FXO)
■ SP5200/5250 series:
Power, Provision/Alarm, Register, WAN,
LAN1-LAN4, Phone 1~4 (or Line 1~4 for
FXO/PSTN),
■ SP8440 series:
Power, Run, Alarm, WAN, LAN1-LAN4, P1 ~
P8 (FXS or FXO)
■ 9440 series:
Power, Provision/Alarm, Register, WAN,
LAN1-LAN4, Phone off-hook 1~8 / Phone Ch
Alarm 1~8, Line 1~8,
■ SP1700 series:
Power, VoIP, Alarm, Run, WAN, LAN, Phone
off-hook 1~32 / Phone Ch Alarm 1~32,
Line 1~32,
■ SP17X0T series:
Power, VoIP, Alarm, Run, AIS, RAI, LINK,
LOS, LBK, WAN, LAN,
Accessories
■ RJ11 cables or RJ21 to RJ11-male cable
(SP1700 series only)
■ RJ45 cable
■ Power Adpater or AC Power cord (SP1700
& SP17X0T Series)
■ User Manual in CD
■ Rack mount kit (SP1700 & SP17X0T
Series)
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NETWORK FEATURES AND MANAGEMENT
IP Network Specifications
■ Support IPv4, IPv6 future upgradeable
■ WAN: Static IP, PPPoE, DHCP, PPTP
■ Network Protocol Support:
IP, TCP, UDP, TFTP, FTP, RTP, RTCP, ARP,
RARP, ICMP, NTP, SNTP, SNMP v1/v2, HTTP,
HTTPS, DNS, DNS SRV, Telnet, DHCP
Server, DHCP Client, STUN Client, UPnP
■ QoS Support:
WAN: DiffServ, IP Precedence
Priority Queue
Rate Control
802.1Q (VLAN Tagging), 802.1p
(Priority Tag)
■ DDNS Support:
Dyndns.org (Dynamic and Custom)
TZO
Peanut Hull
Network Security Specifications
■ VPN PPTP Client
■ DIGEST Authentication
■ MD5 Encryption
■ DoS Protection
Management
■ Web Based Configuration
■ Auto-provisioning (HTTP / HTTPS)
■ Telnet
■ IVR
■ FTP / TFTP / HTTP Software Upgrade
■ Configuration Backup and Restore
■ Reset to Default Button
■ TR-069/104 (Option)
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