Products and services
Granite’s suite of products and solutions provides dramatic cost savings and enhanced productivity, allowing you to spend time on other important business matters.

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Voice Solutions

Voice Solutions is an all-encompassing VoIP portfolio that provides stable, scalable telephony solutions ranging from emulated POTS, to Cloud PBX to traditional hand-off options like Primary Rate Interface (PRI) or Business SIP Trunking which seamlessly integrate with your existing phone systems.

Whether you have many locations, a large concentration of employees at a central location, or work at home employees, Voice Solutions enables branch offices, remote workers, and telecommuters to seamlessly work together.

Benefits include:

  • No big up-front investment
  • No obsolescence-software upgrades always included
  • Nationwide coverage in U.S, Canada, & Puerto Rico
  • Competitive long-distance rates
  • Check out our client training videos to learn more about our phone systems and their functions. Find Out More

Emulated POTS

Migrating your POTs lines to Emulated POTS is a fast way to improve your bottom line without the inconvenience of a complete telecom overhaul.

Granite’s Emulated POTS offering leverages our state-of- the-art VoIP network to translate digital voice for use over an analog device. This POTS emulation technology offers the full suite of features found in traditional POTS lines, with significant cost savings.

Common Features

  • Caller ID
  • Call Forwarding
  • Directory Listing And Assistance
  • Operator Assistance

Advanced Features

  • Faxing
  • Alarms
  • Paging


  • Re-use existing equipment
  • Achieve fast savings
  • Easily integrates with your Hosted PBX or Business SIP Trunking Solution

Hosted PBX (Hosted Private Branch Exchange)

Hosted PBX (HPBX) is a cloud-based PBX solution that alleviates the need for an on-premise PBX. HPBX provides all the features of a modem small office PBX with the convenience and scalability of a remotely hosted, fully managed cloud solution. By combining local and long-distance services with a computer network, your business can simplify its communications infrastructure to a single platform.

No matter the size of your business, Granite provides full access to features and professional functionality.

Common Features

  • Call Handling
  • Caller ID
  • Voicemail
  • Hunting
  • Find Me Follow Me

Advanced Features

  • Click To Dial Integration
  • Disaster Recovery
  • Web Management
  • UC Desktop And Mobile Application With SMS Enablement
  • Virtual Local Area Network (VLAN)
  • Wireless Support


  • Free project management and client training
  • No big up-front investment
  • Unlimited local and long distance calling
  • Increased network efficiency, privacy, and security
  • Zero touch provisioning
  • Scalable and flexible

Business SIP Trunking

Granite's Business SIP Trunking allows customers to converge their voice and data services to a single circuit, taking advantage of Voice over IP technology (versus traditional TDM based PSTN trunk services). Simple connections with the Internet or private IP infrastructure give your business more options and less dependency on hardware, effectively managing both data and voice needs. Your business will have the choice of Granite's local and long distance calling plans and a broad set of features that can be controlled through a secure, self-service online portal. Granite's Business SIP Trunking offers a full range of access options and interoperability with most leading IP-PBX systems and Microsoft Phone System. Granite Direct Routing for Microsoft Teams enables businesses to make and take external phone calls inside the Teams collaboration application on their desktops, laptops or mobile devices.


  • Free Interoperability Testing Prior To Deployment
  • Individual & Bulk DID Fail Over Capabilities
  • Public/Private IP Address
  • Fraud Prevention
  • Network Diversity
  • Disaster Recovery


  • Nationwide Coverage
  • Individual & Bulk DID fail over capabilities
  • Enhanced Network Capacity
  • Flexible
  • Scalable
  • Compatible with most leading SIP PBX systems

Cloud Contact Center

Cloud Contact Center, also known as Automatic Call Distribution, is a simple and easy-to-use application that runs in conjunction with the Granite Voice Platform. This software helps businesses improve quality of service and increase operational productivity. Cloud contact centers make interactions through voice, email, social media and the web accessible from virtually anywhere.

Take control of your inbound calls with a host of features easily managed through our web-based platform. Cloud Contact Center offers powerful capabilities for meeting the needs of your customers, improving the productivity of your employees and controlling costs. Engineered to simulate a live operator, Interactive Voice Response (IVR) directs incoming callers to the appropriate department or employee. Ensure your calls are handled efficiently 24/7/365.

Common Features

  • Intelligent Call Routing
  • Agent Activities/Status
  • Call Recording
  • Real Time Dashboards
  • Historical Reporting
  • Embedded Text-To-Speech
  • Store-Specific Messaging
  • Targeted Holds

Advanced Features

  • Agent Activities/Status
  • Live Queue Control
  • Omni-Channel (Voice/Chat/Email/SMS/Social Media) Queueing
  • Automatic Scheduling
  • Scheduling Optimization
  • Vacation Management
  • Agent Evaluation With Monitor/Whisper/Barge
  • Customized Reports


  • Free project management and client training
  • Gain a new line of site into storefront customer service
  • Streamline workflow between store locations and the company contact center
  • Scalable and flexible
  • Simple predictable bill each month - no maintenance or replacement costs

Virtual Voicemail

A great majority of businesses require some means of automatic messaging so that calls are not left unanswered. Network-based voicemail offers a wealth of unified messaging features for efficiency. With the ability to handle voicemail utilizing web-based controls, Granite's Virtual Voicemail solution offers the ability to forward messages to an email with notification for new messages. You never need to miss an important message again.

Features and Benefits

Create different announcements and menus on demand — for outside business hours or during weekends and holidays.
  • Future-proof SIP application server architecture offers investment protection with exceptional scalability and cost-effectiveness
  • Easy mailbox access maximizes convenience of message retrieval
  • Offers options for notification of new messages, including email
  • Visual user interfaces via web access through Granite’s web-based tool, CommPortal


Local and Long Distance Phone Service

Local Phone Service

Granite has always championed traditional local phone services because of their unmatched reliability and ease of use. Our extensive wholesale contracts with incumbent carriers throughout the United States and Canada allow us to offer exceptional pricing, allowing you to focus on the bottom line.

Long Distance

Granite’s long distance service provides cost-effective in-state, out-of-state, international, and toll-free calling for businesses of any size and budget. You may be dealing with multiple carriers and receiving multiple bills. Granite long distance plans will consolidate multiple bills into one.

Toll Free Number Service

Toll free numbers convey to your customers that not only are they encouraged to call, but you will give their calls the attention that they deserve. With our consolidated billing solution, toll free number charges will appear on your monthly bill, making their usage easy to track and manage.

Granite provides a wide array of features you rely on every day, such as:

  • Self-service Portal
  • Time of Day / Day of week scheduling
  • International Toll Free Service
  • Universal International Freephone Number