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PBX phone system

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Professional customer reception

Better employee mobility

Always accessible

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Advantages of a PBX phone system

Always accessible to your customers in a professional way

PBX phone system integrates telephony with IT applications. The solution ensures that your company is accessible all the time, everywhere, whatever the type of data connectivity (Internet or Explore) or device. Moreover, an IP telephone exchange enables flexible working via hot desking (telephone sharing) or softphone.

Opt for a telephone exchange in the cloud, an on-premise PBX phone system or a hybrid model.  Go for the solution that best suits your company. We help you to choose.

Types of IP telephone exchanges

Call Connect

In the cloud

IP PBX phone system in the cloud with an unlimited number of users

Forum Connect


On-site IP PBX phone system for max. 200 users with Unified Communications in the cloud (CloudLink)

Forum 700(0) Rainbow


On-site IP PBX phone system for max. 300 users with Unified Communications in de cloud (Rainbow)

PBX phone system in the cloud

Call Connect

  • Unlimited number of users
  • Unlimited rate plan
  • All-in price: €22/month/user
  • Compatible with Office 365 via the Voice Connect plug-in
  • Integration possible with CRM or ERP

On-site and hybrid PBX phone systems

Forum Connect

  • Developed by Mitel
  • Max. 200 users

Forum 700(0) Rainbow

  • Developed by Alcatel-Lucent Enterprise
  • Rainbow: cloud-based Unified Communications (UC) platform 

Rainbow licenses free for 1 month.
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With Enterprise Call & Surf, you combine telephony with Internet in a pack. Benefit from extra services to keep your business running, no matter what.

PBX phone system

Options and applications

Computer Telephony Integration (CTI) software

Connect any contact database (CRM or ERP applications) with any telephone exchange.

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Click-to-call via any application

  • Click-to-dial

1 / user/month

Pop-up with customer info from CRM / database

  • Click-to-dial
  • Customer info from any CRM package or database
  • Pop-up
  • Based on number recognition

3 / user/month

Pop-up with customer info from SalesForce

  • Click-to-dial
  • Customers info and history from SalesForce
  • Pop-up
  • Log of incoming calls in Salesforce

6 / user/month

Customer stories

Personal service via a telephone exchange

In the past, you could connect only landline phones and DECT phones with a limited range to a telephone exchange. Thanks to the FMC option, smartphones can now also be integrated in the telephone exchange, making employees much more mobile and ensuring the customer gets a better service.

In the past, only landline phones and DECT phones could be connected, with a range that was limited to a telephone exchange. Thanks to the FMC option it is now possible to also integrate smartphones in the head office, which enables much greater employee mobility and better customer service.

The intermunicipal company for the treatment of household waste in Meetjesland (IVM) uses a Forum 700 telephone exchange internally to optimize collaboration between its employees and externally via a toll-free 0800 number that allows it to be attentive and always available to the population in matters regarding waste collection and treatment.

Thanks to the Forum 700 telephone exchange and mobility solutions (headsets and wireless phones), the “Thermes de Spa” manages between 200 and 600 calls per day for reservations by limiting waiting time through an interactive menu and by giving a professional image of a service and well-being company that listens to its customers' needs. 


Call connect is available as of 2 users. A VDSL2 Proximus Internet line is required for using Call Connect; Call Connect is intended for a minimum of two users. The price of €22 includes: unlimited calls 24/7 to all landlines in Belgium, 1,000 min./month to mobile numbers in Belgium, 1,000 min./month to all fixed and mobile numbers in Europe (except for special numbers) plus Canada, the United States, Morocco (only from fixed to fixed), and Turkey (only from fixed to fixed).

Promotional offer for free installation of Call Connect, Forum 500, Forum Connect and Forum 700(0) telephone exchanges.

  • The promotions apply from 26/03/2020 to 31/05/2020 to all customers who sign a new rental or purchase contract with technical assistance (TA).
  • These promotions are not applicable to Proximus customers who have not yet reached the end (3 or 5 years) of their telephone exchange rental contract.
  • The promotions do not include the technician's travel expenses.
  • Nor do the promotions include any additional internal cabling or specific on-site work that may be required or the Internet line for Call Connect and the VoIP lines for Forum 500, Forum Connect & Forum 700(0) (Enterprise Voice or Explore Business Trunking).

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