Pittsburgh Business Phone Systems is the number one Nortel support company in the area, our team has been servicing, selling, supporting Nortel phone systems in Pittsburgh since 1997. Our Nortel Business phone system account managers will guide you through the process wether if its making changes to your existing Nortel system, replacing handsets on your nortel or upgrading we are here to make the process as smooth and easy as posisble. Call today for service, support, install, or maintaining your Nortel business phone system.