SIP
Session Initiation Protocol
STUN
Simple Traversal of UDP through
NATs
TCP
Transmission Control Protocol
UPnP
Universal Plug and Play
1.3 Introduction
This VoIP Gateway provides a total solution for integrating voice-data network and PSTN.
The L200 and S series gateway is low to high density port gateway which support SIP / H.323
VoIP Protocol. Low model (2/4 port) can embedded H.323 Gatekeeper or SIP Proxy Server
(Option). The L200 and S series gateway allows 2 ~ 24 lines (model option) analog voice and
fax communication over a traditional data communications/data networking digital Internet. There
are 6 model compare table follow.
Model Compare Table
FXO
Port
FXS
Port
Model
S2400 Series ( 24 analog lines)
S2400
0
24
S2412
12
12
S2424
24
0
S1600 Series ( 16 analog lines )
S1600
0
16
S1608
8
8
S1616
16
0
SB800 Series ( 8 analog lines )
0
8
SB 800
4
4
SB 804
8
0
SB 808
S800 Series( 8 analog lines Gateways /Embedded H.323 Gatekeepers/Embedded Sip Proxy Serves)
S800
0
8
S802
2
6
S804
4
4
8
0
S808
S400 Series ( 4 analog lines Gateways/embedded Gatekeepers/Sip Proxy Servers)
S400
0
4
S401
1
3
S402
2
2
4
0
S404
SLIC
URI
UDP
VoIP
LCD
LAN Port
WAN Port
Display
1
1
√
√
1
1
1
1
√
√
1
1
1
1
√
√
1
1
√
1
1
√
1
1
1
1
√
1
1
1
1
1
1
1
1
4
1
4
1
4
1
4
1
control protocol)
Subscriber Line Interface Circuit
Uniform Resource Identifier
User Datagram Protocol
Voice Over Internet Protocol
H.323 Gatekeeper
RS-232
SIP
H.323
/ SIP proxy Server
port
(Software embedded)
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
SK800/SVR800
√
√
√
SK802/SVR802
√
√
√
SK804/SVR804
√
√
√
SK808/SVR808
√
√
SK400/SVR400
√
√
SK401/SVR401
√
√
SK402/SVR402
√
√
SK404/SVR404
7