VOPtel VG2020 User manual

VG2020
Version: V1.6.80.20

Safety Notices
Please read the following safety notices before installing or using this gateway. They are crucial for the safe
and reliable operation of the device.
z Please use the external power supply that is included in the package. Other power supplies may cause
damage to the gateway, affect the behavior or induce noise.
z Before using the external power supply in the package, please check with home power voltage. Inaccurate
power voltage may cause fire and damage.
z Please do not damage the power cord. If power cord or plug is impaired, do not use it, it may cause fire
or electric shock.
z The plug-socket combination must be accessible at all times because it serves as the main disconnecting
device.
z Do not drop, knock or shake it. Rough handling can break internal circuit boards.
z Do not install the device in places where there is direct sunlight. Also do not put the device on carpets or
cushions. It may cause fire or breakdown.
z Avoid exposure the gateway to high temperature, below 0℃or high humidity. Avoid wetting the unit
with any liquid.
z Do not attempt to open it. Non-expert handling of the device could damage it. Consult your authorized
dealer for help, or else it may cause fire, electric shock and breakdown.
z Do not use harsh chemicals, cleaning solvents, or strong detergents to clean it. Wipe it with a soft cloth
that has been slightly dampened in a mild soap and water solution.
z When lightning, do not touch power plug or gateway line, it may cause an electric shock.
z Do not install this gateway in an ill-ventilated place.
z You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the
hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents.
2

Table of Content
1.Introducing VG2020 VoIP Gateway 4
1.1. Delivery Content 4
1.2. Pilot Lamp.................................................................................................................................. 4
1.3. Port of Connecting..................................................................................................................... 4
2.Initial connecting 6
2.1. Connect to network 6
2.2. Connect to Power ...................................................................................................................... 6
3. Basic Functions 7
3.1. Transferring a call..................................................................................................................... 7
3.2. Calling Hold and 3 ways call.................................................................................................... 7
4. Setting 8
4.1. Setting methods ......................................................................................................................... 8
4.2. Setting via Web Browse 8
4.3. Web page function explanation................................................................................................ 9
4.3.1. Current Status........................................................................................................................ 9
4.3.2. Network................................................................................................................................. 10
4.3.2.1. WAN Config............................................................................................................. 10
4.3.2.2. LAN Config...............................................................................................................11
4.3.3. VoIP....................................................................................................................................... 12
4.3.3.1. SIP Config................................................................................................................ 12
4.3.3.2. IAX2 Config............................................................................................................. 14
4.3.4. Advance................................................................................................................................. 15
4.3.4.1. DHCP Service.......................................................................................................... 15
4.3.4.2. NAT Configuration ................................................................................................. 16
4.3.4.3. Net Service................................................................................................................ 18
4.3.4.4. Firewall Config........................................................................................................ 19
4.3.4.5. QoS Config............................................................................................................... 20
4.3.4.6. Advance SIP Configuration.................................................................................... 22
4.3.4.7. Digital Map Configuration ..................................................................................... 24
4.3.4.8. Call Service .............................................................................................................. 25
4.3.4.9. MMI Filter............................................................................................................... 26
4.3.4.10. DSP Config............................................................................................................. 27
4.3.4.11. VPN Config............................................................................................................ 27
4.3.5. Dial-Peer Setting................................................................................................................... 29
4.3.6. Config Manage...................................................................................................................... 31
4.3.6.1. Save Config .............................................................................................................. 31
4.3.6.2. Clear Config............................................................................................................. 32
4.3.6.3. Backup Config ......................................................................................................... 32
4.3.7. Update ................................................................................................................................... 32
4.3.7.1. Web Update.............................................................................................................. 32
4.3.7.2. FTP/TFTP Update................................................................................................... 33
4.3.7.3. Auto Provisioning.................................................................................................... 33
4.3.8. System Manage..................................................................................................................... 34
4.3.8.1. Account Config........................................................................................................ 34
4.3.8.2. Syslog Config............................................................................................................ 35
4.3.8.3. Time Config.............................................................................................................. 35
4.3.8.4. Logout &Reboot...................................................................................................... 36
5. Appendix 37
5.1. Specification............................................................................................................................. 37
5.1.1. Device specification .................................................................................................... 37
5.1.2. Voice Features............................................................................................................. 37
5.1.3. Network Features....................................................................................................... 37
5.1.4. Maintenance and Management................................................................................. 37
3

1. Introducing VG2020 VoIP Gateway
1.1. Delivery Content
Please check whether the delivery contains the following parts:
The gateway VG2020
The power supply
The Ethernet cable
The Telephone cable
User manual
1.2. Pilot Lamp
POWER Powe
r
Pilot La
m
p
The La
m
p
li
g
ht, has electri
f
ied, c
a
n use VG2020
REG Register station Pilot
La
m
p
Register succeed, the lamp light; register fail, the lamp flash; does not
re
g
iste
r
,theli
g
ht o
f
f.
GATEWAY
Gateway work station
Pilot Lamp
Show is using VoIP service or PSTN service. Hang up, the light off;
when it is under the situation of VoIP, the lamp will light
after picking up the handset; If using PSTN, the light off.
WAN WAN port Pilot Lamp The Lamp light, WAN port connect to network; the lamp flash, there
are d
a
ta trans
f
errin
g
.
LAN LAN port Pilot Lamp The Lamp light, LAN port connect to network; the lamp flash, there
are d
a
ta trans
f
errin
g
.
1.3. Port of Connecting
POWER Power Port Out
p
ut: 12VDC, 500
m
A.
LINE Lifeline Port Connect to PSTN line.
PHONE FXS Port Connect to Telephone or the enter line of
Switch.
LAN Network Port ConnectittoPC
WAN Network Port Connect it to Network
4

The gateway has two Network ports: The WAN port and the LAN port. Before you connect the power source,
please carefully read Safety Notices of this user manual.
5

2. Initial connecting
2.1. Connect to network
You can do this in one of two ways, depending on how your workspace is set up.
Direct network connection—by this method, you need at least one available Ethernet port in your workspace.
Use the Ethernet cable in the package to connect WAN port of your gateway to the Ethernet port in your
workspace. Since this gateway has router functionality, whether you have a broadband router or not, you can
make direct network connect.
Shared network connection—Use this method if you have a single Ethernet port in your workspace with your
desktop computer already connected to it. First, disconnect the Ethernet cable from the computer and attach it
to the WAN port on the back of your gateway. Next, use the Ethernet cable in the package to connect LAN
port of your gateway to your desktop computer. Your gateway now shares a network connection with your
computer.
2.2. Connect to Power
Connect the power supply plug to the DC 12V adapter port of the gateway. Use the power cable to connect
the power supply to a standard power outlet in your workspace.
If your VoIP gateway registers into corporate IP telephony Server, your gateway is ready to use.
6

3. Basic Functions
3.1. Transferring a call
Call transfer has several ways to realize:
◆ Blind transfer
When A talks to B, B may press the Flash key and * key and dial C gateway number, then press # key to
confirm, B hang up, and A will get through to C.
◆ Attended transfer
1. When A talks to B, B presses the Flash key, dial C gateway number and # key,After B talks to C, B could
hang up and A will get through to C.
2. When A talks to B,there is C call incoming to B; B may presses the Flash key to hold A,and talks to C,B
could hang up and C will get through to A.
Notice to VoIP Gateway Carrier: Your VoIP gateway server need support FRC3515, or else transferring can
not work.
3.2. Calling Hold and 3 ways call
There are two modes to enjoy hold function:
1. Press the Flash key during a call, and the call will be on hold. While a call is on hold, you can establish
another call by dialing your desired number and confirm it by the # button. Pressing the Flash key again
will resume the first call. By using hold function, you can talk with only one party; the other party who is
on hold can’t talk with you. If you press the * button, you will enter into 3 ways call.
2. If the third party calls you during a call, you can hear the voice of “du du”. Press the Flash key to hold the
first call, and then you can talk with the third party. By using hold function, you can talk with only one
party; the other party who is on hold can’t talk with you. If you press # key, gateway will hang up the first
call, and then accept the new incoming call.
Notice: You must enable the calling waiting or else calling hold can’t work.
3.3. Communicate with PSTN user
The mapping of *T shows that user should dial * before the calling number when using PSTN line.
Of course you can setup others, not always use *T. (Must end with T)
The main function of Lifeline is: keep the gateway usable when power cut or network cut off.
When use Lifeline, should note as below:
●If the gateway through Lifeline, user can use it as a normal gateway
●User should insert the PSTN line to lifeline port before run the gateway. If you insert the PSTN line after
the gateway running, you will hear the voice of “pa pa ”, you can not use the lifeline at this time, you
should wait several seconds and hear the same voice of “pa pa ”, at this time, you can use the it
reassuring.
7

4. Setting
4.1. Setting methods
This VoIP gateway can be set via two different setting methods:
●The web browser on PC
●The terminal software
This Manual will tell you about the setting methods via the web browser on PC.
4.2. Setting via Web Browse
When this gateway and your PC are connected to your network, enter the IP address of the WAN port in this
gateway as the URL (e.g. http://xxx.xxx.xxx.xxx/ or http://xxx.xxx.xxx.xxx:xxxx/). If you do not know the
IP address, you can dial ＃*111 to get the IP address.
After you enter the IP address, you will see the following web interface.
This gateway provides different two privileges for different users to set it.
The two privileges are guest and administrator respectively. In guest privilege, user can see but not modify
Register/Proxy Sever Address and port of SIP, advance SIP and Iax2. In administrator privilege, user can see
and modify all setting parameters.
Default value in guest privilege
Username: guest
Password: guest
Default value in Administrator privilege
Username: admin
Password: admin
Input username and password, click “logon”, and you will enter setting web interface.
8

4.3. Web page function explanation
4.3.1. Current Status
Click on the first submenu “Current status”, you will enter in the following web interface. In this web interface,
you will see current set parameters, status, and the firmware version.
Current Status
Network
Shows the configuration information on WAN and LAN
port, including the connect mode of WAN port (Static, DHCP,
PPPoE), MAC address, the IP address of WAN port and LAN port,
ON o
r
OFF of DHCP
m
ode of LAN po
r
t.
VoIP
Shows the current protocols of the gateway, and some parameters of
every protocol. You can know about IP addresses of register servers
of both IAX2 and SIP, proxy server IP address, whether start to
register the SIP and IAX2 servers or not, whether be registered or
un
r
e
g
istered, and whether start to re
g
iste
r
the STUN se
r
ver.
Gateway Number
Shows the gateway numbers provided by the SIP, SIP2 and IAX2
servers.
The last line shows the version nu
m
b
e
r
and issued d
a
te.
9

4.3.2. Network
4.3.2.1. WAN Config
WAN Config
Active IP The current IP address of the gateway
Current Netmask The current Netmask address
MAC Address The current MAC address of the gateway
Current Gateway The current Gateway IP address
Mac Authenticating
Code
Set the corresponding authenticating code of MAC. If you don’t
pass the authentication, then it will show “invalid MAC”, at this
time, gateway will Hear the busy tone while the network is normal.
If you use static mode, you need set it.
IP Address Input the IP address distributed to you.
10

Netmask Input the Netmask distributed to you.
Gateway Input the Gateway address distributed to you.
Set DNS domain postfix. When the domain which you input can
DNS Domain not be parsed, gateway will automatically add this domain to the
end of the domain which you input before and parse it again.
Primary DNS Input your primary DNS server address.
Alter DNS Input your standby DNS server address.
Please select the proper network mode according to the network condition. this VoIP Gateway
provide three different network settings:
z Static: If your ISP server provides you the static IP address, please select this mode, and
then finish Static Mode setting. If you don’t know about parameters of Static Mode setting,
please ask your ISP for them.
z DHCP: In this mode, you will get the information from the DHCP server automatically;
need not to input this information artificially.
z PPPoE: In this mode, your must input your ADSL account and password.
If you uses PPPoE mode，you need to make the above setting.
PPPoE Server It will be provided by ISP.
User Input your ADSL account.
Password Input your ADSL password.
Notice:
1）Click “Apply” button after finished your setting, IP Gateway will save the setting
automatically and new setting will take effect.
2）If you modify the IP address, the web will not response by the old IP address. Your need
input new IP address in the address column to logon in the gateway.
3）If networks ID which is distributed by DHCP server is the same as network ID which is used
by LAN of system, system will use the DHCP IP to set WAN, and modify LAN’s networks
ID(for example, system will change LAN IP from 192.168.10.1 to 192.168.11.1) when
system uses DHCP client to get IP in startup; if system uses DHCP client to get IP in
running status and network ID is also same as LAN’s, system will refuse to accept the IP to
configure WAN. So WAN’s active IP will be 0.0.0.0
4.3.2.2. LAN Config
LAN Configuration
11

LAN IP specify LAN static IP
Net
m
ask s
p
ecif
y
LAN Net
m
ask
DHCP Service
Select the DHCP server of LAN port or not. After you modify the
LAN IP address, gateway will amend and adjust the DHCP Lease
Table and save the result amended automatically according to the
IP address and Netmask. You need restart the gateway and the
DHCP server setting will take effect.
NAT Select NAT o
r
not
Bridge Mode
Select Bridge Mode or not: If you select Bridge Mode, the
gateway will no longer set IP address for LAN physical port，LAN
and WAN will join in the same network. Click “Apply”, the gateway
will reboot.
Notice: I
f
y
ou choose the
b
rid
g
e
m
ode, the LAN confi
g
uration will be dis
a
b
led.
4.3.3. VoIP
4.3.3.1. SIP Config
Set your SIP server in the following interface
SIP Confi
g
Filed name Illumination
Re
g
ister Status Shows if the
g
atewa
y
has been
r
e
g
istered the SIP serve
r
or not.
Register Se
r
ver Add
r
Input
y
our SIP serve
r
add
r
ess.
Re
g
ister Server Port Set
y
our SIP server
p
ort.
Re
g
iste
r
Use
r
na
m
eIn
p
ut
y
ou
r
SIP re
g
iste
r
a
ccount na
m
e.
Re
g
ister Password In
p
ut
y
our SIP re
g
ister
p
assword.
Proxy Server Addr Set proxy server IP address (Usually, Register SIP Server
12

configuration is the same as Proxy SIP Server. But if your VoIP
service provider give different configurations between Register SIP
Server and Proxy SIP Server, you need make different settings.）
P
r
ox
y
Se
r
ve
r
Port Set
y
our Prox
y
SIP se
r
ver
p
ort.
Prox
y
Userna
m
eIn
p
ut
y
ou
r
Prox
y
SIP serve
r
account.
Prox
y
Password In
p
ut
y
our P
r
ox
y
SIP serve
r
p
assword.
Loc
a
l SIP Port Set
y
ou
r
Loc
a
l SIP
p
o
r
t, the default is 5060.
Domain Realm
Set the sip domain if needed, otherwise this VoIP gateway will use
the Register server address as sip domain automatically. (Usually it
is same with registered server and proxy server IP address).
Register Expire Time
Set expire time of SIP server register, default is 60 seconds. If the
register time of the server requested is longer or shorter than the
expire time set, the gateway will change automatically the time into
the ti
m
e recom
m
ended
b
ythese
r
ve
r
,
a
nd registe
r
again.
Gateway Number Input the gateway number assigned by your VoIP service provider.
Gatewa
y
will not re
g
iste
r
i
f
there is no
g
atewa
y
nu
m
b
e
r
con
f
i
g
u
r
ed.
RFC Protocol Edition
Select SIP protocol version to adapt for the SIP server which uses
the same version as you select. For example, if the server is
CISCO5300, you need to change to RFC2543, else gateway may
not c
a
ncel call no
r
m
all
y
.S
y
ste
m
uses RFC3261 as def
a
ult.
Detect Interval Time Set the server detect interval time, if the gateway open the detect
server function, the gateway will detect whether the server response
p
eriodicall
y
.
Server Type Select the special type of server which is encrypted, or has some
uni
q
ue
r
e
q
ui
r
e
m
ents o
r
c
a
ll
f
lows.
Encr
yp
t Ke
y
Set the ke
y
for encr
yp
tion
User A
g
ent Set the use
r
a
g
ent i
f
h
a
ve, the default is VoIP Gatewa
y
1.0
DTMF Mode
Select DTMF sending mode, there are three modes:
z DTMF_RELAY z
DTMF_RFC2833
z DTMF_SIP_INFO
Di
f
ferent VoIP Service
p
r
oviders
m
a
y
p
rovide di
f
fe
r
ent
m
odes.
Si
g
n
a
l Encr
y
tEnable/Disable Si
g
nal Encr
yp
t.
Enable PRACK Enable or disable SIP PRACK function, suggest use the default
con
f
i
g
.
RTP Encr
y
tEnable/Disable RTP Encr
yp
t.
Auto Detect Server
Enable/Disable keep NAT of SIP alive.
If some server refuse to register with too short interval time, and
has no packets sending to device in private network to keep NAT
alive, user could set this function ON. It need set the keep alive
interv
a
l ti
m
elessthantheN
A
Tserver’s.
Enable Session Timer Set Enable/Disable Session Timer, whether support RFC4028.It
will refresh the SIP sessions.
Enable Keep
Authentication
Enable/Disable Keep Authentication
System will take the last authentication field which is passed the
authentication by server to the request packet. It will decrease the
server’s re
p
eat autho
r
iz
a
tion work, i
f
it is ena
b
le.
Answer With Single
Codec
Enable/Disable the function when call is incoming, gateway replies
SIP
m
essage with just one codec which gateway supports.
Enable Via rport Enable/Disable system to support RFC3581. Via rport is special
wa
y
to re
a
lize SIP N
A
T
.
SIP
(
Default Protocol
)
Use SIP
p
rotocol as default di
a
l
p
r
otocol
Ena
b
le Re
g
iste
r
Start to
r
e
g
ister o
r
not
by
selectin
g
it o
r
not.
13

4.3.3.2. IAX2 Config
IAX2 Confi
g
Re
g
ister St
a
tus Shows if the
g
atewa
y
has been
r
e
g
istered the IAX2 server or not.
IAX2 Server Add
r
In
p
ut
y
our I
A
X2 server
a
ddress.
IAX2 Server Port Set
y
our IAX2 server
p
ort, the default is 4569.
Account Na
m
eIn
p
ut
y
ou
r
I
A
X2 re
g
iste
r
account na
m
e.
Account Password In
p
ut
y
our I
A
X2 re
g
ister
pa
ssword.
Gateway Number Input your assigned gateway number (usually it is same you’re your
IAX2 account na
m
e
)
.
Local Port Set your local sport，the default is 4569.
Voice M
a
il Nu
m
b
e
r
S
p
ecif
y
the voice
m
ail’s nu
m
b
e
r
.
Voice M
a
il Text Specify the voice
m
ail’s na
m
e.
Echo Test Number
Set echo test number. If IAX2 server supports echo test, and echo test
number is non- numeric, system could set an echo test number to
replace the echo test text. So user can dial the numeric number to test
echo voice test. This function is provided with server to make
end
p
oint to test whethe
r
end
p
oint could talk throu
g
h se
r
ve
r
no
r
m
all
y
.
Echo Test Text S
p
ecif
y
echo test text’s na
m
e.
Refresh Time Set expire time of IAX2 server register, you can set it between 60 and
3600 seconds.
Ena
b
le Re
g
iste
r
Start to
r
e
g
ister the IAX2 se
r
ve
r
o
r
not
by
selectin
g
it o
r
not.
Ena
b
le G.729 Ena
b
le o
r
dis
a
b
le code G.729
b
y selecting it o
r
not
IAX2
(Default Protocol)
Select it to make all outgoing calls through the IAX2 server by
default. If you also need make a call through SIP server, you can
make prefix in dial peer setting to realize SIP calling.
Note: any incoming call can be from both IAX2 and SIP.；
14

4.3.4. Advance
4.3.4.1. DHCP Service
DHCP Service
update mode Select update image, update config file, forbid DHCP auto update
mode, If select update firmware,you can use the
000000000000.img as the file name;of course, you can use the file
name of MAC address, e.g.,000102030405.cfg;
there is a hint after succeed u
p
date.
tft
p
Se
r
ve
r
Set the FTP server address
f
or u
p
d
a
te.
DNS Relay Select DNS Relay, the default is enable. Click the Apply button to
b
eco
m
e e
f
fective.
Shows the DHCP Lease Table，the unit of Lease time is Minute.
Lease Table Na
m
eSpecify the na
m
eo
f
the lease t
a
b
le
Start IP Set the start IP address o
f
the lease t
a
b
le
End IP
Set the end IP address of the lease table, the network device
connected to LAN port will get IP address between Start IP and End
IP
b
y
DHC
P
.
Net
m
ask Set the Net
m
ask o
f
the lease ta
b
le
Gatewa
y
Set the Gatewa
y
of the lease table
Lease Ti
m
eSet the Lease Ti
m
eo
f
the lease table
DNS Set the default DNS server IP of the lease table
Click the Add
b
utton to su
bm
it and add this lease ta
b
le
15

Select name of lease table, click the Delete button will delete the selected lease table from
DHCP lease table.
Notice:
1）The size of lease table can not be larger than the quantity of C network IP address. We
recommend you to use the default lease table and not modify it.
2）If you modifies the DHCP lease table, you need save the configuration and reboot.
4.3.4.2. NAT Configuration
NAT is abbreviated from Net Address Translation; it’s a protocol responsible for IP address translation. In
other word, it is responsible for transforming IP and port of private network to public, also is the IP address
mapping which we usually say.
DMZ config：
In order to make some intranet equipments support better service for extranet, and make internal network
security more effectively, these equipments open to extranet need be separated from the other equipments not
open to extranet by the corresponding isolation method according to different demands. We can provide the
different security level protection in terms of the different resources by building a DMZ region which can
provide the network level protection for the equipments environment, reduce the risk which is caused by
providing service to distrust customer, and is the best position to put public information
The following chart describes the network access control of DMZ
16

NAT Configuration
IPSec ALG It is an encryption technology. Select it to enable IPSec ALG, the
default is enable
FTP is a service of connection layer which can transform intranet IP
FTP ALG into extranet IP when intranet IP is sending out packet.
Select it to enable FTP ALG, the default is enable
PPTP ALG Select it enable PPTP ALG, the default is enable
Shows the NAT TCP mapping table
Shows the NAT UDP mapping table
Transfer Type Select the NAT mapping protocol style, TCP or UDP
Inside IP Set the IP address of device which is connected to LAN interface to
do NAT mapping.
Inside Port Set the LAN port of the NAT mapping
Outside Port Set the WAN port of the NAT mapping
Notice: After finish setting, click the Add button to add new mapping table; click the Delete
button to delete the selected mapping table.
17

Shows the outside WAN port IP address and the inside LAN port IP address.
Outside IP Set the outside Wan port IP address of DMZ.
Inside IP Set the inside LAN port IP address of DMZ
Click the Add button to add new table; click the Delete button to delete the selected mapping
table.
Note: 10M/100M adaptive means the network card, and other equipment physical consultations
speed, testing speed under bridge mode near to 100M, in order to ensure the quality of voice
and communications real-time performance, we made some sacrifices of NAT under the
transmission performance. transmit with full capabilty only when system is idle, so can
not guarantee that the transmission speed reach to 100M.
4.3.4.3. Net Service
In this web page, you can select Telnet/HTTP/RTP port, at the same time you can check
DHCP leased table.
Net Service
HTTP Port
set web browse port, the default is 80 port，if you want to enhance
system safety，you'd better change it into non-80 standard port；
Example: The IP address is 192.168.1.70. and the port value is
8090, the accessing address is http://192.168.1.70:8090
Telnet Port
Set Telnet Port, the default is 23. You can change the value into
others.
Example:
The IP address is 192.168.1.70. the telnet port value is 8023, the
accessing address is
telnet 192.168.1.70 8023
RTP Initial Port Set the RTP Initi
a
lPo
r
t. It is d
y
na
m
ic alloc
a
tion.
RTP Port Quantity Set the
m
axi
m
u
m
quantity of RTP Port, the de
f
a
ult is 200.
DHCP Leased Table
IP-MAC mapping table. If the LAN port of the gateway connects to
a device, this table will show the IP and MAC address of this device.
Notice:
1）You need save the configuration and reboot the gateway after set this page.
2）If you modify the port of Telnet and HTTP, you would better set the value more than 1024
18

because the port value less than 1024 is system port reserved.
3）if you set 0 for the HTTP port, it will disable HTTP service.
4.3.4.4. Firewall Config
Firewall Configuration
In this web interface, you can set up firewall to prevent unauthorized Internet users from
accessing private networks connected to the Internet (input rule), or prevent unauthorized
private network devices from accessing the Internet (output rule).
Firewall supports two type of rules: input_access rule and output_access rule. Each type supports
at most 10 items.
Through this web page, you could set up and enable/disable firewall with input/output rules.
System could prevent unauthorized access, or access other networks set in rules for security.
Firewall, is also called access list, is a simple implementation of a Cisco-like access list
(firewall). It supports two access lists: one for filtering input packets, and the other for filtering
output packets. Each kind of list could be added 10 items.
We will give you an instance for your reference.
In_access enable Select it to Enable in_ access rule
Out_access enable Select it to Enable out_ access rule
Input/Output Specify current adding rule by selecting input rule or output rule.
Deny/Permit Specify current adding rule by selecting Deny rule or Permit rule.
Protocol Type Filter protocol type. You can select TCP, UDP, ICMP, or IP.
19

Port Range Set the filter Port range
Src Addr Set source address. It can be single IP address, network address, complete
address 0.0.0.0, or network address similar to *.*.*.0
Des Addr Set the destination address. It can be IP address, network address, complete
address 0.0.0.0, or network address similar to *.*.*.*
Set the source address’ mask. For example, 255.255.255.255 means
Src Mask
Des Mask
just point to one host; 255.255.255.0 means point to a network which
network ID is C type.
Set the destination address’ mask. For example, 255.255.255.255
means just point to one host; 255.255.255.0 means point to a
network which network ID is C type.
Click the Add button if you want to add a new output rule.
Then enable out_access, and click the Apply button.
So when devices connect to LAN execute to ping 192.168.10.88, system will deny the request
to send icmp request to 192.168.10.88 for the out_access rule. But if devices ping other devices
which network ID is 192.168.10.0, it will be normal.
Click the Delete button to delete the selected rule.
4.3.4.5. QoS Config
The VoIP gateway VG2020 supports 802.1Q/P protocol and DiffServ configuration. VLAN functionality can
use different VLAN IDs by setting signal/voice VLAN and data VLAN. The VLAN application of this
gateway is very flexible.
20