PBX Best Practice

This is a comprehensive practical guide to configuring the VOIspeed 6 PBX. VOIspeed 6 PBX provides the administrator with a more dynamic and flexible way of managing their IP telephone phone system.

In the following sections we focus on setting up a basic VOIspeed server.

License registration:

The first thing to do after the installation of the set up file is to create the company for which you wish to configure your phone system. To set up the company, you need to register the license given by the VOIspeed which must be entered by the super administrator in the Companies section. Once you enter the license ID you will see the all the resources and entities of the company in the different sections on the same company page.

It is important to enter these company parameters, in particular, the company domain name (used to differentiate between different companies) and SMTP details (used by the PBX to send  messages to users as attachments).

Key entities managed by VOIspeed server

Entity is defined as a resource available from the PBX for example: Groups, ringtones, IVR, voicemails, timetables, and gateways are the entities of the PBX.

These entities are essentially blocks of the PBX which work collectively, bound together to perform the task required. For example, routing the calls involves the Gateway, LCR, and Group entities.

Configure company (super admin):

The key feature of VOIspeed 6 is the ability to manage multiple companies independently. A new company is always created by the super administrator of the PBX which can further be assigned to an administrator of the  PBX to manage the company entities such as LCR, routing rules, IVR etc. The administrator of the company can only configure and manage the companies that have been assigned by the super administrator of the PBX. The main difference between the super administrator and administrator is that the super administrator can manage and configure the whole PBX which includes multiple companies where as a normal administrator can only manage and configure their company which is assigned by the super administrator.

To configure the first company you need to log in as a super administrator and you can do this by using the default user name and password created at the time of installation.

Username: super
Password: voispeed

Configure System:

Note: The public IP address resolution is a vital function for the proper functioning of the PBX, especially for the SIP carrier registration and remote devices. If the PBX is unable to resolve the Public IP address then the SIP carrier will not be able to register the SIP account. You can see the resolved public IP address of the PBX under the Monitoring System.

For the proper functioning of the PBX it is advisable that you set the secondary URL for the resolution of Public IP address in case the first URL does not work. This URL simply generates a text file with a Public IP address which you can see by typing the URL directly into the browser. If you have static IP address then you can select the Public IP mode to static and then enter the static IP address in the Static public IP address field.

You must make sure that you do not use Public IP address ranges in the local network as this affects the functioning of the PBX which can result in some entities not working correctly.

To configure routing rules, begin by setting the incoming calls:

Incoming calls:

The typical flow of an incoming call (inbound) will be as follows:

  •  The call comes into the PBX during office open hours for the company number XYZ.
  • Then the call is answered by the IVR which comprises different nodes, each of which  forwards the call to a group or single user, depending upon the criteria set by the administrator.  The call can also be sent to voicemail during out of hours.
  • The keywords in the bold of the first two points are areas which require particular attention from the administrator. You can start configuring these entities by following the steps below:
  •  Create users
  •  Create hunt groups
  • Create an IVR for the opening hours
  • Create Voicemail for out of hours: you can either play the message and forward the call to voicemail box or route the call directly by configuring the company number routing wizard.
  • Create Timetables for opening hours: you will need to create different timetables for example if the company opening hours are 9am to 1pm and 3pm to 6pm then you will need to create two timetables for the opening hours because the PBX considers the time intervals as out of hours.
  • Configure the incoming number with routing rule using a wizard that guides the administrator to set up the incoming number step by step.

Outgoing calls:

  • The typical flow of outgoing calls (inbound) will be as follows:
  • The user dials the number (national, mobile) from their terminal (e.g. SIP phone, GUI).
  •  The PBX routes the call based on the prefix of called number set by the administrator over a selected gateway (e.g. ISDN, VoIP or GSM).
  • The keywords here are prefix and gateways, therefore you can configure the outgoing calls by following the “reverse order” rule.
  • Configure the gateway (e.g. Mediatrix, VoIP or GSM).
  • Set the prefix under the LCR section which will be used to route the calls based on the prefix to the desired gateways.


After configuration using the steps listed above, you can switch to the configuration of the gateway, hardware and terminals. Also, you will need to install and configure the General User Interface (GUI) on the Client’s PC which will allow the user to see gateway and user status, online manuals and connected devices (IP phones and headsets).

This section contains one of several ways to configure the PBX. Administrators can use any method based on their experience, so we suggest studying the functions required before PBX configuration.

In any case, if you miss out any step of the configuration or any field then the configuration wizard allows you to go back and create them without exiting the procedure.

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