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IP PBX
1 Introduction
1.1 Thank you for purchasing
Thank you for purchasing SK5008 , SK5008 is a highly integrated, reliable, stable device,
which includes rich Router and IP PBX functions. This manual introduces and describes how to
install, how to configure and how to use SK5008 , and it provides customers with a series of
office configuration cases. User can use SK5008 to set your own IP Phone system. SK5008
provides a open source embedded IP PBX system, it runs ulinux and Asterisk and supports
abundant IP PBX features.
1.2 Appearance and Installation
1.2.1 Appearance
SK5008 is a silver alloy device, user can see different ports on the panel of SK5008 , you can
see 1 reset console, 1 serial console, 4 LAN ports, 1 USB port, 1 SD card slot and 8 FXO ports on
the front panel of SK5008 . The following picture shows the ports and the table shows the
functions of different ports:
Port Description
Reset Press reset button 5s to make SK5008 factory default.
Serial Console Connect it to the com port of PC to enter SK5008 ’s Linux interface.
Internet Connect to Internet or router.
LAN Connect to PC or build small LAN network.
USB Access for USB storage device.
SD Used to insert the SD memory card.
FXO Used to connect to the analog line.
There is a power port and a power button on the back panel of SK5008 .
1.2.2 Package Contents
One SK5008
Two L-shape brackets and some screws
One serial console line
One 4G SD card
One power line
1.2.3 Installation
If user wants to use SK5008 as a gateway, please insert one end of the Ethernet cable into
SK5008 ’s Internet port and insert the other end of the Ethernet cable to your existing broadband
connection port. And then log in SK5008 ’s webpage to configure its Internet access ways, such
as Static IP, DHCP or PPPoE;
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If user wants to use SK5008 as bypass access, you don’t need to connect to the Internet port;
Insert one end of Ethernet cable into one of the LAN ports, and insert the other end of the Ethernet
cable to your local network. Then connect the power adapter to the power port on the back panel
of SK5008 , and plug another end of power port into a wall outlet or power strip. And then please
turn on SK5008 .
The default IP for SK5008 ’s LAN port is 192.168.0.1. Put the default IP in your web browser
and it will redirect to the setting page of SK5008 , the default username and password for the web
access is:
Username: root
Password: admin
If you can’t access SK5008 , please check if you have connected the RJ-45 cable to the LAN
port and if your computer is in the same network 192.168.0.xxx as SK5008 .
Notice: the recommended web browser for logging in SK5008 is Firefox.
2 Configure the Router
2.1 Basic Configuration
2.1.1 System Status
Access SK5008 ’s router configuration page.
The default IP address of SK5008 ’s LAN port is 192.168.0.1, the username is ‘root’, password
is
‘admin’, the login page is as the following picture.
After enter the password, you will log in the router status page of SK5008 .
System
Router Name: display the router name;
Router Model: display the router model;
Firmware Version: display the current firmware version;
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Kernel Version: display the kernel version;
Local Time: display the current time;
Uptime: display the uptime since user turn on SK5008 ;
Load Average: display the average load, the first figure represents the average load in 1
minute,
and the second figure represents the average load in 5 minutes and the last one represents the
average load in 15 minutes;
Memory
Display the current usage status of the memory.
Network
Display the current connection status of the Internet ports, including IP mode, IP address ,
gateway, connected time and the active connections.
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DHCP Leases
Display the current IP addresses which SK5008 assigns to the DHCP client.
2.1.2Set the Login Password
Press System--->Administration to log in the SK5008 ’s administration page.
Router Password
User can set or change the router password. Click the Save&Reply button which is at the lower
right corner of the page after you finish entering.
SSH Access
Set the parameters of SSH access, such as interface, port, password authentication and so on.
2.1.3Configure Network Interfaces
Click Network-->Interface, then user can login the network interface configuration page of
SK5008 , just like the following picture:
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Both LAN port and WAN port have four options: Connect, Stop, Edit and Delete, functions of
each options are as following:
Connect: Click “Connect”, SK5008 should disconnect the current network and connect
again;
Stop: Click “Stop”, SK5008 should stop the current network connections;
Edit: Click “Edit”, user can configure the corresponding network interfaces;
Delete: Click “Delete” to remove the current interface.( Please take care of this option)
2.1.3.1 Configure WAN port
Click “Edit” option after WAN port, then user can begin to configure WAN port.
Firstly, user can configure the basic settings in General Setup column.
Status: Check the current information of WAN port .
Protocol: Choose the connection type of WAN port, options are Static address, DHCP client,
PPPoE and so on, if user wants to change the connection type, please click ,
then user can begin to configure the corresponding parameters.
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DHCP Client
Hostname to send when requesting DHCP: the IP address of DHCP server that user assigns.
Static Address:
IPv4 address: IPv4 address
IPv4 netmask: IPv4 netmask
IPv4 gateway: IPv4 gateway
IPv4 broadcast: IPv4 broadcast
Use custom DNS servers: enter the IP address of the custom DNS server
♦ PPPoE
PAP/CHAP username: the username of your PPPoE account
PAP/CHAP password: the password of your PPPoE account
Access Concentrator: the IP address of access concentrator, leave empty to autodetect
Service Name: the address of PPPoE server, leave empty to auto detect.
In Advanced Settings column, user can configure some other parameters, such as MAC, MTU
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and so on.(Notice: when user choose different IP protocol, the parameters in this column should
be different.)
IP-Aliases: This option is used to add another IP address for this interface, in order to make one
network interface correspond to multiple IP. Please enter an alias in the IP_alias text box, such
as”flyingvoice”, and then click , then user can configure the corresponding parameters,
including IPv4-Address, IPv4-Netmask, IPv4-Gateway, IPv4-Broadcast and DNS-Server, the
following picture shows the details of the parameters:
Click Delete to remove current IP-Aliases.
2.1.3.2 Configure LAN port
It is the same to configure the IP protocol of LAN port with WAN port, what is more, user can use
LAN port to set as DHCP server, just like the following picture:
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Ignore interface: check this option, the DHCP server of this interface should be disabled.
Start: the starting IP address the DHCP server assigns
Limit: how many IP addresses should this server assigns
Lease time: set expiry time of leased addresses, minimum is 2 Minutes(2m), and default is 12
hours.
2.2 MoreFunctions and Configurations
2.2.1Status Checking
2.2.1.1 Firewall Status
Click Status-->Firewall, user can check the status of firewall, reset counters and restart firewall.
2.2.1.2 Router Status
Click Status--> Router, user can check the current ARP table and router table:
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2.2.1.3 System Log
Click Status --> System Log to check SK5008 ’s system log.
2.2.1.4 Kernel Log
Click Status --> Kernel Log, user can check the kernel log.
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2.2.1.5 Processes
Click Status-->Processes, user can check the processes of SK5008 .
2.2.1.6 Realtime Graphs
Click Status--> Realtime Graphs, user can view some realtime graphs, such as real time graphs
of Load, Traffic, Wireless and Connections.
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2.2.2System Configuration
2.2.2.1 System
Click System--> System to begin system configuration, in this webpage, user can configure the
Hostname and Timetome, and refresh the local time for SK5008 ; what is more, user can
configure the parameters of system log: such as system log buffer size, log level, log server and so
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on; lastly, user can change the Language and Style of SK5008 , SK5008 support English and
Chinese at this moment.
2.2.2.2 Administration
Click System--> Administration, user can login the management webpage of SK5008 , and
configure the router login password and SSH Access.
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2.2.2.3 Software
Click System--> Software to login the management webpage of system software, in this webpage,
user can check the usage of Flash, install new software, remove the old firmware and so on.
2.2.2.4 Startup
Click System--> Startup to login the startup management webpage, in this webpage, user can
enable or disable the initscripts, and user can start/stop/restart the initscript.
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2.2.2.5 Scheduled Tasks
Click System--> Scheduled Tasks, user can login the scheduled tasks page of SK5008 , in this
page, user can view the current tasks, and can add customized scheduled tasks.
2.2.2.6 Time Synchronization
Click System-->Time Synchronization, user can login the time synchronization page of
SK5008 , in this page, user can configure the update interval, offset frequency and time servers.
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2.2.2.7 Mount Points
Click System--> Mount Points to login the mount points page of SK5008 , and in this page, user
can check the current mounted file systems and mount points, what is more, user can enable
SWAP or modify the parameters of current SWAP.
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2.2.2.8 Backup/Flash Firmware
Click System--> Backup/Flash Firmware to login SK5008 ’s Flash Operations page, in this
page, user can backup the configuration files of SK5008 , and make SK5008 factory default,
additionally, user can upgrade a new firmware for SK5008 .
1) Download backup
Click , the browser will remind user to download the configuration
file, click Save and select the directory, then the file will be saved in your local PC(the file
contains all the configurations of SK5008 )
2) Restore to defaults
Click to make SK5008 factory default.
Notice:A hard reset will remove all your settings, and your device will be restored to factory
default settings. Do not perform a hard reset unless you have backed up your settings or you
can do the configurations again.
3) Restore backup
This action will make user be able to restore all the configurations of SK5008 .
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Click to select the file you need to restore and click
to upload the file. After you press button, the system will remind
user that changes applied and system is rebooting.
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4) Flash new firmware image
When upgrade a new firmware, check the option , then all the
configurations on the PBX will be retained, if user does not check this option, when SK5008
finishes upgrading, all the configurations will be the default ones. And click to
select the firmware user need to upgrade and click , then SK5008
system will ask you to verify the performance, click to confirm the action and
click to cancel.
Click Proceed, SK5008 will finish upgrading automatically and reboot itself. It takes several
minutes for SK5008 to finish the upgrading, please be patient.
Notice: do not power off when SK5008 is upgrading, or the upgrading may fail or the file may
be damaged.
2.2.2.9 Reboot
Click System--> Reboot to login the reboot page of SK5008 , click , then
SK5008 will reboot.
2.2.3Services
2.2.3.1 Dynamic DNS
Dynamic DNS allows that your router can be reached with a fixed hostname while having a
dynamically changing IP address. Configurations are as following:
Enable: check this option, the DDNS you configured can take effect, or the DDNS won’t take
effect.
Service: Enter the service provider which supports DDNS service to you.
Hostname: Enter the domain name that you get from the provider.
Username: Enter the username that you get from the provider.
Password: Enter the password that you get from the provider.
Source of IP address: Configure the source of IP address which you would like to bind the
domain name to, such as Interface, URL and network.
Check for changed IP every: set a time interval for the system to check if the IP changed, every
time interval, the device will check whether the IP of the interface which binds to the DDNS
changes, if it does, the system will send the new IP address to the server.
Check-time unit: set the unit for the checking changed IP interval, minute or hour, for
example.
Force update every: In the setting time, the SK5008 will make force update on the IP and
send the IP to the DDNS server.
Force-time unit: set the unit for force update time, minute or hour, for example.
Additionally, SK5008 system support multiple DDNS, user can click to add several
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DDNS.
2.2.4Network
2.2.4.1 DHCP/DNS
Click Network--> DHCP/DNS to login the configuration page. In this page, user can configure
some parameters of DHCP and DNS, including NAT and firewall.
General Settings: Configure the parameters of DNS.
Resolv and Hosts Files: Configure the parameters of DHCP.
TFTP Settings: The tftp server is embedded in the SK5008 system, this can be used to be
network TFTP to share the resources.
Advanced Settings: In this page, there are some advanced settings on DHCP and DNS, such as
DNS query port, Max. DHCP leases, Max. EDNS0 packet size and so on.
2.2.4.2 Hostnames
Click System--> Hostnames to login the hostname configuration webpage, where you can set the
host name to the client. Please enter the hostname user named in the hostname option and enter the
IP address of the device which is connected to the SK5008 , click Save&Apply.
Click Add to add multiple hostnames.
2.2.4.3 Static Routes
User can set the data forwarding routing manually in Static Routes, which is suitable for the
simple and relatively stable network environment. Click Network-->Static Routes to login the
configuration page of Static Routes.
Interface: Select the interface which is used to forwarding the data.
Target: Enter the target of data forwarding, which can be an single IP address or an IP network,
if it is a network, please enter the netmask of the network.
IPv4-Netmask: If the target is a network, please enter the netmask of the network.
IPv4-Gateway: If the data can not be transmitted directly, please enter the gateway address to
forward the data to the packet.
Metric: Please enter how many routings the data should pass through before arriving in the
gateway.
MTU: Enter the packet length limit of the forwarding data.
The parameters of IPv6 are all the same with IPv4 except that user does not need to enter the
subnet mask.
2.2.4.4 Firewall
Firewall settings are very important, these relates to not only the data access among the internal
network, but also the data transmission between the internal network and the outside network, and
play an important role in network security.
Click Network--> Firewall to login the configuration webpage of SK5008 ’s firewall.
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There are four parts: General Settings, Zones, Redirections and Rules.
General Settings
Enable SYN-flood protection: if or not enable SYN-flood;
Drop invalid packets: if or not drop invalid packets;
Input: The handling way to the input data, including accept, drop and reject.
Output: The handling way to the output data, including accept, drop and reject.
Forward: The handling way to the forwarding data, including accept, drop and reject.
Zones
lan=>wan Input: The handling way to the input data from LAN port, including accept, drop
and reject.
lan=>wan Output: The handling way to the output data from LAN port, including accept, drop
and reject.
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lan=>wan Forward: The handling way to the forwarding data from LAN port, including
accept,
drop and reject.
wan=>ACCEPT Input: The handling way to the input data from WAN port, including accept,
drop and reject.
wan=>ACCEPT Output: The handling way to the output data from WAN port, including
accept, drop and reject.
wan=>ACCEPT Forward: The handling way to the forwarding data from WAN port, including
accept, drop and reject.
Redirections
Click Add to login the configuration page of redirections, including port forwarding and DMZ and
so on.
Name: Enter the name of redirections you are configurating.
Source Zone: Configure the accept port of the data redirections.
Protocol: Configure the protocol of data redirections.
External Port: Matching incoming traffic directed at the given destination port or port range on
this host.
Internal IP address: Redirect matched incoming traffic to the specified internal host.
Internal port(optional): Redirect matched incoming traffic to the given port to the internal port.
Rules
Click “Add” to login the corresponding webpage to add new rules, where user can configure the
details of the firewall rules.
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Name(Optional): Enter the name of the rules, it can be left blank.
Source Zone: Select the port which the new rule is applied to.
Protocol: Select the protocols which apply to the rules.
Source address: Enter the source address which the rule is applied to.
Destination address: Enter the destination address which the rule is applied to.
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Action: Select the action to inform when the traffic is in line with the rule.
2.2.4.5 Diagnostics
SK5008 provides user with three commonly used network diagnostic tool: Ping, Traceroute and
Nslookup.
Click Network--> Diagnostic to login the diagnostic interface,input the test IP or domain name
into the text box, click on the back button, then the diagnostic results will be displayed soon.
2.2.4.6 QoS
Rank the traffic data packet according to the network IP address, port or service.
Click Network--> QoS to login the configuration page of QoS.
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Interface
Enable: Check the option to enable the speed limit of SK5008 ’s WAN port.
Classification group: The configuration group which the network interface limits.
Calculate overhead: Calculate the proportion of the upload and download, in order to prevent
the saturation of the link.
Half-duplex: Check the option to make the wan port work in half-duplex mode.
Download speed: Limit the download speed of the WAN port.
Upload speed: Limit the upload speed of the WAN port.
Input the the name of the port user need to configure and click Add to edit the port’s classification
group, speed and so on.
Click Delete to remove the current configuration of the interface.
Classification Rules
Classification rules can categorize the priority of all the data, data with high priority should be
transmitted in priority, there are 4 levels, priority, express, normal and low. Parameters are as
following:
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Target: Set the priority of the rules.
Source host: Select the IP address of the source host, then user can limit the speed of the
customized IP.
Destination host: Select the IP address of the destination host, then user can limit the speed of
the customized IP.
Service: Select the services.
Protocol: Specify the protocol, including TCP, UDP, ICMP and all.
Ports: Specify the ports
Number of bytes: Specify how many bites the rule limits, and there is no limit when the traffic
overloads the amount.
Sort: You can change the order of the rules, rules on the top will be performed firstly.
2.2.5 PBX Config
Click PBXConfig to login the PBX configuration page of SK5008 . In this page, press click here
to config pbx with asterisk-gui to login the configuration page, and press Asterisk restart to
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reboot asterisk.
2.2.6Toolbox
SK5008 provides a series of upload tools on this page, including Asterisk Music On Hold file
upload tool, Asterisk back up file upload tool, Asterisk Voice menu prompts file upload tool and
asterisk data file upload.
1) Music on Hold file upload
This is used to upload the Hold music file to the SK5008 , and the file format should be wav or
gsm.
24
Input the music on hold class in moh class name option and then press to select the
music file from your local PC and then press to upload the file. User can
login the PBX page Music on Hold column to check if the file has been uploaded successfully.
2) Back up file upload
This function is used to upload the backup file to the SK5008 system, and user can login the
PBX page Backup column to check if the file has been uploaded successfully or not .
Press to select the back up file and press to upload the file.
3) Voice menu prompts file upload
This function is used to upload the voice menu file to SK5008 system, and user can login the
PBX page to check if the file upload successfully or not in Voice Menus column. And the file
format should be wav or gsm.
Press to select the voice menu file and press to upload the
file.
4) Asterisk data file upload
This tool is used to upload the voice packets to SK5008 system, and the file format should be
tar.gz. Press to select the file and press to upload the file.
Notice: Please press Save&Apply every time you finish configurating, in order to make the
configurations effective, or you can press Save to save the changes and then press Save&Apply
to make all the configurations take effect.
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