NEC telephone systems, Service & Support

NEC Channel Partner

25+ Years Experience

Fast Onsite Service

Award-Winning Support

Keeping Your Business Connected & Communicating

Prosum’s fully accredited NEC engineers will get your NEC PBX phone system back on track in no time.

Our in-house support technicians are fully qualified and experienced and ​can identify and fix issues quickly and efficiently on a wide range of NEC PBX models. We work with organisations of all shapes and sizes throughout Melbourne – from small to medium businesses to large enterprise and Government.

We take care of everything.

  • Installations
  • Relocations
  • Upgrades
  • Outages
  • Phone Faults
  • Programming
  • Expansions
  • NEC Spare Parts
  • NEC Maintenance Plans
  • SIP Trunks

Get the back-up your business needs.

Fill out the online form with your details to request a call-back to discuss your needs. Or for urgent requests, save time and speak to us directly on 1800 007 229.


  • Get NEC Phone System Service & Support

    Fill out the online form to request a call-back, or for urgent requests call 1800 007 229.

Our NEC Phone Systems Support Services


Custom phone systems installed to your exact needs.


Hassle-free phone system relocations to make your move easier.

Phone System Maintenance plans

For a fixed fee we keep on top of everything 24/7/365.


Keep your current PBX up-to-date with the latest features.


Change the way your phone system functions with custom PBX changes.


Accommodate new business growth with additional lines and extensions.

NEC Spare Parts

Supply & sell NEC handsets, parts & accessories at competitive prices.

SIP Trunks

Cost-effective SIP trunks to keep your NEC phone system ringing.

Why Australian Businesses Choose Us

NEC Channel Partner

25+ Years Experience

Melbourne-Wide Service

Award Winning Support

  • We needed an experienced ICT provider to implement a new telephony solution without affecting existing telephony services and business operations. After reviewing other providers, we selected PROSUM who was able to successfully migrate all our users onto the new NEC platform and complete the project in a timely manner. PROSUM continue to provide support for our NEC Telephony and Contact Centre environment, and I would recommend their services to other organisations and enterprises.


Get NEC Phone System Service & Support

Fill out the online form to request a call-back, or for urgent requests call

1800 007 229