| Hardware |
| Ports |
2 Port FXS - RJ11
REN5
40Vrms ringing
Configurable termination impedence
for WW handset operation
Secondary protection (population option)
1 Port FXO
Ethernet WAN interface - RJ45
2x Ethernet LAN interface - RJ45
DC Power Jack
Reset button
4 layer PCB |
| Indicators |
Power indicator
FXS/FXO Status (per port)
WAN traffic indicator
LAN traffic indicator
Message waiting indicator
Programmable indicator |
| Internal/Debug |
JTAG header
Console header |
| Firmware Features |
| OS |
Linux 2.4.26 |
| Voice Firmware |
| Features |
G.711 u-law and A-law
G.729ab
G.723.1
DTMF in-band
DTMF out-of-band (RFC 2833)
DTMF Tone Detection and Generation
Call Progress Tone Detection and Generation
Adaptive Jitter Buffer
Packet Loss Concealment
Echo Cancellation (G.168)
16ms tail length
Voice Activity Detection with silience suppression
Comfort Noice Generation (with level control)
Attenuation / Gain adjustment
Flash Hook detect (configurable timer)
Polarity Control
Signal discriminator
3-way conferencing with local mixing
loopback test capability (packet and voice-side) |
| Sessions |
Single active configuration session |
| Reliability |
Critical failures should cause system reset |
| Application Features |
| General Protocols |
UDP
TCP
IPV4
ICMP
ARP
NAT Mode for Data Passthrough |
| WAN Uplink |
PPPoE
PAP
CHAP
MD5 Digest
MTU Size Negotiation
Static IP Address
DHCP
MAC Address Clone
Original MAC must be preserved.
VPN Passthrough |
| Network Services |
NTP Client
DHCP Server for LAN
Minimum 16 LAN Nodes
IP Address Reservation by MAC Address |
| Voice Transport |
RTP |
| Voice Signalling |
SIP (RFC3261)
STUN
SIP Phone Number per FXS port
SIP Phone Number per FXO port
in-band DTMF
out-of-band DTMF (RFC 2833)
T.38 Fax Relay
Codec autonegotiation |
| FXS Port Features |
Flash Hook Detect
Generic Caller ID Generation
Caller ID Generate: Bellcore Type 1 and 2
Caller ID Generate: Japan
Call Progress Tone Generation
Generic Region Selection
Call Progress Tones: North America
Dial Tone
Busy
Fast Busy
Ring
Off-hook
Call Waiting Tone
Message Waiting Tone
Disconnect Tone
SLIC Settings: North America |
| FXO Port Features |
Generic Caller ID Detect
Caller ID Detect: Bellcore Type 1 and 2
Generic Region Selection
Call Progress Tone Detect
SLIC Settings: North America |
| Telephony Features |
Simultaneous active calls on FXS1 and FXS2
Simultaneous active calls FXS1, FXS2, and FXO ports
PSTN Pass-Through
Dialing Sequence to PSTN
Configurable country-code
Call Forward for each FXS port (all, busy, no answer)
3-Way Calling
Call Transfer (blind)
Call Waiting
Max 1 call waiting on each FXS port
Speed Dialing (10 numbers)
NAT and NAT-PT
Static Routing
Dynamic Routing RIP V1, V2
Stateful Packet Inspection
DMZ port support
DoS Detection
SYN-flood
Port Scanning
Ping of Death
ALG Support
SIP
IPSec
PPTP
FTP Client
H.323
MSN Messenger
AOL Instant Messenger
Yahoo Messenger
ICQ |
| Access Control |
Access Control based on MAC, Time
Content Filtering
Web Filters
URL
Keyword in URL |
| QoS |
Prioritization of VoIP traffic over data traffic |
| Wireless Security |
MAC Address filtering on WiFi clients
Security Protocols
WEP-64
WEP-128
WPA-PSK |
| Management |
CLI
Via RS-232
Via Telnet
Browser Interface
Firmware Upgrade via RFC 1867 Upload
UPnP
IGD |