You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.

Business Phones

In today’s business world, it is critical to have a business communication solution that will keep you connected with your customers and employees anywhere, anytime. Your business phone is one of the most critical components of your communication success as a business. The right phone will deliver the features you need to ensure every customer call is handled professionally and offer you tools that you can use easily manage your staff’s performance.

For more than 27 years, ESI has perfected the desktop phone to work as the hub of your communications. Loaded with advanced capabilities yet incredibly intuitive to use with features you use every day at your fingertips. Each phone has been purposefully designed by our engineers to work with ESI solutions and deliver the best in communications. Anyone can sell you a generic phone with their phone system. At ESI our phones are uniquely integrated with our solutions to work together in unison.

48-Key Phone

ESI's 48-Key phone offers an impressive combination of power and ease-of-use.

  • Network: 10/100 Ethernet IP
  • ESI Products: IP Server 900, ESI Communication Servers (ESI -1000, 600, 200, 100, 50, 50L)
  • Programmable keys: 30 (up to 150 with optional Expansion Consoles)
  • Dedicated Voicemail key
  • Dedicated ESI quick HELP key
  • Integrated headphone jack
  • Display: three-line, 56-character, adjustable backlighting
  • Full duplex speakerphone


A perfect business phone for lower-traffic users who need access to system features but require less customization.

  • Network: Digital
  • ESI Products: IP Server 900, ESI Communication Servers (ESI -1000, 200, 100, 50, 50L)
  • Programmable keys: 12
  • Dedicated Voicemail key
  • ESI quick HELP key
  • Display: two-line, 32-character, backlit
  • Speakerphone

ESI 60

For the most active phone users, the ESI 60 Business Phone is built to help its users achieve maximum productivity.

  • Network: Gigabit Ethernet IP; 10/100, Ethernet IP; Digital
  • ESI Products: IP Server 900, ESI Communication Servers (ESI -1000, 200, 100, 50, 50L)
  • Programmable keys: 48 (up to 168 with optional Expansion Consoles)
  • Dedicated Voicemail key
  • ESI quick HELP key
  • Display: Upper (Primary: three-line, 56-character, Lower display sixteen-lines, 176 character. Both have adjustable backlighting
  • Full duplex speakerphone

Contact us about the ESI Business Phones

SIP Trunking

SIP Trunking merges your existing voice and data networks to deliver high quality communications, typically at substantial savings. ESI SIP Trunking is a great option for businesses using non-IP or digital PBX systems because it leverages your existing infrastructure. Moving all or some of your expensive analog lines to SIP trunks can immediately save up to 50% of your monthly phone bills.

Why Businesses Choose SIP Trunking

Cost Savings

We have found that most customers are overpaying for their phone systems today. Just hand us your current phone bill and we can be sure to find you savings. Customers are finding out how easy it is to reduce their monthly phone expenses by up to 50% while getting more functionality.

Business Continuity

Built in redundancy provides reliability and high-quality and consistent service keeps you connected to provide peace of mind. Ensure that in case of a disaster you can quickly route incoming calls to another location or mobile devices, keeping your business online.

Advanced Functionality and Simple Management

Enjoy business boosting productivity features that are not typically available in analog systems. Simple features like adding DIDs, unlimited local and long distance calling, and a solution for disaster recovery. Plus, manage one converged network for voice and data. Cut back on the management of multiple providers reducing support complexities.

Easily Transition and Expand

SIP adoption paves the way for next generation technology and can be easily expanded to hybrid- or hosted-PBX services. Plus SIP offers the flexibility to scale your connectivity requirements gradually, based on your specific business needs.

The Next Generation in Business Phones

In today’s fast-paced, interconnected world, it is more important than ever for businesses to have a communications solution that will keep them connected to their customers and employees – from anywhere, at any time. Despite some providers extolling the diminishing need for a desktop phone, the fact is that it remains one of the most – if not the most – critical components to successful business communications. Equipping employees with the right phone that delivers the best features and productivity-enhancing tools can drastically increase a company’s business performance.

For nearly thirty years, ESI has striven to perfect the desktop phone as the hub of business communications. Purpose-built with an intuitive design, ESI Business Phones are loaded with advanced capabilities that put the everyday features that users rely on right at their fingertips. Other companies may sell generic phones with their systems, glossing over the issues that stem from adding third-party devices to their solutions. ESI, however, designs and engineers the phones to work seamlessly with ESI solutions, delivering the best user experience available.

Contact us about Business Phone Solutions