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About Us

Voice Data Install


We are focused on providing Voice, Data & Video services with the highest levels of customer satisfaction. We will do everything we can to meet your expectations. With our remote services packages we can provide a variety of offerings to choose from. We’re sure you’ll be happy working with us for your next voice data install.

voice-and-data-cabling voice data install


Why Us


We are ready willing and capable of meeting your installation, maintenance or troubleshooting needs. We provide you with quallity Engineers or Technicains with various levels of expertise.

Our mission is simple “Provide quality services with a smile”. – Joseph Dereef (owner)


Voice data install



Voice Data Install Experts



J Dereef contracting group is a full service voice data installer. We are fully licensed telecommunications expert. We can help you during any phase of your Relocation Voice data install and fiber wire installation are our main area of focus. We also can help you with the  wiring of your home or office with telecom or cat 5. Moving your office can be a difficult undertaking. If planed improperly can cause a lot of work downtime and a lot of out of pocket expense. From an IT consultants perspective. An office move involves far more than simply packing up all of your supplies and equipment and moving them from one location to another. Since most problems will arise once the move nears completion. You should take time to plan the move as early as possible. Please feel free to contact J Dereef well before your move is to take place.


When  planing to upgrade your organization’s network infrastructure be sure to include J Dereef in the conversation very early on. There are many important considerations that must be taken into account before you chose to wire and cable your new office or home. such as your current or future technology requirements. or whether to use cat5 vs cat6 cables.

We have many VoIP options available to your as well. VoIP can keep the costs down for you especially if you are looking to fill a telemarketing room or Customer Service area. VoIP or voice over internet protocol has advanced quite a bit over the years, but does take a little extra planing during the initial phases because of the amount of bandwidth it requires



Call For A Free Estimate

Phone: 267-259-2554

6138 Nassau Road

Philidelphia PA 19151