VoIP
ATA
with
router
function
User
Manual
5
Introduce
IPG
‐
200/IPG
‐
110
series
are
the
low
cost
VoIP
Solutions.
This
document
describes
the
usage
of
IPG
‐
200/IPG
‐
110
(Analogue
Telephone
Adapter)
1.1
Overview
An
Analogue
Telephone
Adapter,
or
IPG
‐
200/IPG
‐
110,
is
a
device
that
allows
one
to
connect
a
normal
PSTN
telephone
to
the
Internet
in
order
to
make
or
place
telephone
calls.
IPG
‐
200/IPG
‐
110
provides
a
direct
analog
interface
for
PSTN,
PBX,
fax
machines,
analog
telephones,
and
other
devices
that
require
an
analog
port.
1.2
Audience
This
document
is
intended
for
system
vendor
who
are
using
IPG
‐
200/IPG
‐
110
to
build
an
Internet
telephony
gateway
or
server
application.
It
is
assumed
that
the
reader
has
the
general
knowledge
of
VoIP
applications
and
products.
1.3
Acronyms
Table
Acronym:
Full
Name:
Acronym:
Full
Name:
API
Application
Interface
CODEC
Coder
/
Decoder
ADC
Analog
to
Digital
Converter
DC
Direct
Current
DAC
Digital
to
Analog
Converter
DHCP
Dynamic
Host
Configuration
Protocol
DDNS
Dynamic
Domain
Name
System
DNS
Domain
Name
System
DTMF
Dual
Tone
Multi
Frequency
MAC
Media
Access
Control
FXS
Foreign
Exchange
Station
NAT
Network
Address
Translation
WAN
Wide
Area
Network
PPTP
Point
‐
to
‐
Point
Tunneling
Protocol
NTP
Network
Time
Protocol
RTCP
Real
‐
Time
Transport
Control
Protocol
(also
known
as
RTP
control
protocol)
RTP
Real
‐
Time
Transport
Protocol
SLIC
Subscriber
Line
Interface
Circuit
SIP
Session
Initiation
Protocol
URI
Uniform
Resource
Identifier
STUN
Simple
Traversal
of
UDP
through
NATs
UDP
User
DSR
‐
100gram
Protocol
TCP
Transmission
Control
Protocol
VoIP
Voice
Over
Internet
Protocol
1.4
Introduction
This
Analogue
Telephone
Adapter
(IPG
‐
200/IPG
‐
110)
provides
a
total
solution
for
integrating
voice
‐
data
network
and
PSTN.
The
IPG
‐
200
Analogue
Telephone
Adapter
(IPG
‐
200)
support
SIP
VoIP
Protocol.
The
IPG
‐
200
Analogue
Telephone
Adapter
(IPG
‐
200)
allows
1~2
lines
analog
voice
and
fax
communication
over
a
traditional
data
communications/data
networking
digital
Internet.