Wireless Office Extended

Wireless Office Extended is a fixed-mobile convergent service, which allows you to reduce your telecom costs while benefiting from the advantages of a fixed line on your mobile!


  • Substantial savings: increase the mobility of your employees while reducing your telecom costs.
  • Ease of use: the same features on your mobile as on your fixed phone
  • More flexibility: the operational management of relocations, new assignments, the recruitment of new employees, the optimization of space used becomes easier to manage
  • Increased productivity: your employees work more flexible and efficient. They can always be reached at a single number, have a single voicemail and list of phone contacts
Wireless Office Extended advantages
In detail
  • Free fixed-to-mobile calls, provided that both the caller and the called party are in Belgium
  • Free mobile-to-fixed calls and mobile-to-mobile calls between colleagues
  • A rate similar to the fixed rates for mobile calls to fixed lines in Belgium and abroad
  • Cheaper SMS messages

Thanks to Wireless Office Extended, you are able to use the flowing features on your mobile phone:

  • Call Transfer: allows a Wireless Office Extended mobile member to put a caller on hold, call another party, and set up a direct call between these two parties
  • Conference Call: allows a Wireless Office Extended mobile member to set up a call with several parties simultaneously. A Conference Call can be made with up to five additional partie
  • Call Forwarding: allows you to redirect calls to another fixed or mobile number or a voicemail box.
  • Handling two simultaneous calls: allows you to:
    • Ignore an incoming call and forward it to the voicemail box.
    • End your current call and accept a second call.
    • Put one call on hold and answer another call.
  • Abbreviated dialing: All Wireless Office Extended members can use a private numbering plan (PNP) to make calls. Given the legal and technical limitations for using abbreviated numbers, the PNP has to be defined by the customer together with Proximus.


Please contact your account manager for more information or click the Contact me button to fill in the form and we will contact you as soon as possible.

Contact me

Private customers, the self-employed, and small companies can contact their dedicated customer service.