IP PBX

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.

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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.