Contact Us
Anytime
Sales
866-205-8928
Customer Service
866-847-5500
Partner Opportunities
877-884-5200
Corporate Office
866-847-1500
Corporate Fax
617-328-0312
Broadband Repair
888-375-3755
IW Vendor Partners
877-745-5183
Phone Switches
Granite’s Engineers and Project Managers are able to work with you to provide design, pricing, installation, and training that will meet your application needs. Granite is authorized and certified on Nortel, AVAYA, Samsung, and TalkSwitch phone systems.
Key Benefits
- Remote Support and configuration
- National dispatch for support and installation
- VoIP, Digital & Hybrid Systems
- Nationwide Sales and Service
Granite Project Managers are trained and certified to successfully manage every aspect of your project from design to completion. We are committed to deliver your project on time and within budget.
