NETWORK ACCESS—
VoIP TELEPHONY
BUSINESS CLASS VoIP GATEWAYS
20
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Analog VoIP SoHo Router
SmartLink
™
4020 Series
The SmartLink 4020 VoIP SoHo Router connects your LAN, standard analog phones, and fax
to any IP network. This full-featured IP router includes VPN/Security and Quality of Service
for converged low-cost sales-office/telecommuter voice data communications.
The SmartLink VoIP SoHo Router provides transparent connec-
tivity for analog phones and faxes to the world of Internet
voice. Connecting to any analog phone, fax or PBX, the
SmartLink product is an effective and flexible solution for small
offices and telecommuters to access Internet-based telephone
services and corporate intranet systems across established LAN
and Internet connections like xDSL and cable modems.
The SmartLink Model 4021 provides two RJ-45 Ethernet ports
and one FXS (RJ-11) analog phone port. The SmartLink Model
4022 provides two RJ-45 Ethernet ports and two FXS (RJ-11)
analog phone ports. Front panel LEDs quickly show at-a-glance
the status of the system, LAN, WAN, and phone ports.
A full suite of IP features (DHCP, NAT/PAT, NTP and VPN) are
available to LAN devices attached downstream. VLAN tagging
and prioritization enables voice traffic to be handled before
data traffic. Support for PPPoE and IPSEC tunneling simplifies
extending corporate intranet services to remote teleworkers.
The web interface offers two levels of configuration access for
the network operator and end user. The friendly web interface
and product labeling (Phone, LAN, WAN etc.) to help ensure
a trouble-free installation for the end user. Configuration and
firmware can be downloaded from a TFTP server.
The SmartLink is SIP standard compliant, so it can be used
with most SIP-based telephony services. Analog phones
attached to the SmartLink can use such advanced voice call-
ing features as call forwarding, caller ID, 3-way calling, call
holding, call retrieval and call transfer.
F E A T U R E S & B E N E F I T S
Up to 2 FXS ports connect to a standard phone or PBX.
Quality of Service ensures voice traffic gets priority with-
out shutting down your Ethernet LAN.
Firewall, NAT, DHCP, PPPoE—Connect to any broadband
access provider, serve the whole network, and secure
your data. User configurable IP services ensure every
host is connected to the LAN.
SIP Signaling—Deploy into any multimedia, interactive,
or softswitch network with the leading call and session
signaling protocols.
Toll Quality CODECs & T.38 fax—Uses standard G.711 or
G.726 CODECs for toll-quality voice, or G.723 or G.729
for low-bandwidth applications.
O R D E R I N G I N F O R M A T I O N
SN4021/EUI/S
: 1 Port FXS VoIP Gateway Router, 100–240 VAC
external power supply (PS), SIP
SN4021/EUI/M
: 1 Port FXS VoIP Gateway Router, 100–240 VAC
external PS, MGCP
SN4022/EUI/S
: 2 Port FXS VoIP Gateway Router, 100–240 VAC
external PS, SIP
SN4022/EUI/M
: 2 Port FXS VoIP Gateway Router, 100–240 VAC
external PS, MGCP
S P E C I F I C AT I O N S
Voice Connectivity:
2-wire loop-
start, RJ-11/12 • short haul loop 1.1 km
@3REN • Caller-ID Type-1/2 FSK & ITU
V.23/Bell 202 generation
Voice Processing (signaling
dependent):
SIP • MGCP (Packet
Cable NCS 1.0 & IETF MGCP 1.0) • Voice
CODECs (G.711 A-Law/µ-Law (64 kbps);
G.726 (ADPCM 40, 32, 24, 16 kbps);
G.723.1 (5.3 or 6.3 kbps); G.729ab (8
kbps)) • G.168 echo cancellation • 4
parallel voice connections • DTMF
detection & generation • carrier tone
detection & generation • silence sup-
pression & comfort noise • configurable
dejitter buffer • DTFM in-band & out-of-
band • configurable transmit packet
length • RTP/RTCP (RFC 1889)
Voice Services/Features:
Call
forwarding • Call transfer • Call hold •
Call waiting • 3-way calling
IP Services:
IPv4 router; RIPv1, v2
(RFC 1058 & 2453) • IP filtering •
NAPT • NTP • DHCP client & server •
PPPoE • IPSEC VPN • programmable
static routes • ICMP redirect (RFC 792);
Packet fragmentation • DiffServe/ToS set
or queue per header bits • VLAN support
802.1p/q • AES/DES/3DES encryption
Fax and Modem Support:
G.711 transparent fax & T.38 fax relay
(9.6 k, 14.4 k)
Connectivity:
2 10/100 Full
Duplex/Autosensing Ethernet RJ-45
Management:
Browser configura-
tion interface • TFTP configuration &
firmware loading • SNMP v2 agent (MIB
II & private MIB)
Environment:
Temp.: 32–104°F
(0–40°C) • Humidity: 5–80% (non con-
densing)
System:
Power: 100–240 VAC
(50/60 Hz)
Compliance:
EMC compliance:
EN55022 & EN55024 • Safety compli-
ance: EN 50950 • CE compliance • FCC
Part 15 Class B
Local PSTN + Packet Voice
Using Patton’s SmartLink VoIP SoHo routers with FXS supports
seamless access to Internet telephony and data.
Internet
Model 4022
Headquarters
PC
PC
LAN
LAN/WAN QoS & Router
As a premise router, the SmartLink offers voice and com-
plete Internet access. With dual 10/100 Ethernet ports, the
SmartLink connects hosts to your LAN with VLAN tagging,
DHCP server/client, and Firewall/ACL services. Use PPPoE
and IPSEC VPN with DES, 3DES, and AES encryption and
bring your voice and data to the WAN through a single and
secure network connection.
Model 4022
QoS
NAT/NAPT
VLAN
DHCP
IPsec/DES
LAN
WAN
PPPoE
DHCP
Network Access & Connectivity
CATALOG
Summary of Contents for SL402X
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