ESI Business Phones
ESI business phones are feature-rich communication solutions designed to enhance productivity and efficiency in the workplace. Known for their user-friendly interfaces, high-quality audio, and advanced VoIP capabilities. Whether for small businesses or large enterprises, ESI provides scalable and customizable options to meet diverse communication needs.

VoIP Capabilities
Reliable cloud-based or on-premises VoIP integration for flexible connectivity.
Call Management
Call forwarding, conferencing, and voicemail-to-email for efficiency.
Intuitive User Interface
Easy-to-use design with customizable buttons for seamless navigation.
High Quality Audio
Crystal-clear sound for improved communication and call clarity.
ESI COMMUNICATION SOLUTIONS

eSIP Evolutions Series (E-Series)
Step into the next generation of on-premises communication with our e-Series servers for the ESI eSIP Evolution Series™, designed for businesses with up to 500 users. Powered by the e-Series, your eSIP Evolution Series™ deployment delivers a unified experience, combining desktop phones, mobile apps, and PC softphones—seamlessly working together to enhance collaboration for your distributed team.

eSIP Evolutions Series (X-Series)
The innovative ESI eSIP Evolution Series™ offers exceptional performance, flexibility, and scalability for small to midsized enterprises with up to 500 users. Designed with cutting-edgearchitecture , standards-based technology, the eSIP Evolution Series meets today’s communication demands while safeguarding your investment by providing the adaptability to grow alongside your organization.
ESI DESKTOP PHONES

ESI ePhone 3 V2
Designed to boost productivity for enterprise users without breaking the budget, the ESI ePhone 3 (v2)™ comes equipped with 45 LED programmable feature keys and more. Whether you’re using an On-Premises or Cloud system, this adaptable desktop phone offers the flexibility, customization, and reliability your business needs.

ESI ePhone 4x V2
The ESI ePhone 4x™ V2 is a sophisticated and versatile device designed for users who handle high call volumes. With its HD microphone and speaker, extensive call log, and Hearing Aid Compatible (HAC) features, this phone offers a seamless and user-friendly experience, making it a valuable asset for any workforce.

Fanvil W611W
The Fanvil W611W is a rugged, portable WiFi phone with IP67 certification for water, dust, and drop resistance. It supports 2.4G/5G Wi-Fi and Wi-Fi 6 for reliable performance, while the 1900mAh battery offers up to 10 hours of talk time or 200 hours on standby.

ESI ePhone X-1
The ESI ePhone X-1™ is ideal for users managing high call volumes and needing real-time visibility into network extensions. Compatible with both On-Premises and Cloud systems, it seamlessly adapts to different work environments while maintaining efficiency.
ESI MOBILITY OPTIONS

ESI eMOBILE™
Handle client calls, retrieve voicemails, browse contact directories, and more with ESI eMobile™. In today’s dynamic business world, flexibility and mobility are essential. This smartphone app ensures you stay just as productive whether you’re in the office or on the move.

ESI eMOBILE Desktop™
ESI eMobile for Desktop™ is a powerful desktop application that enables users to make and receive calls, manage contacts, record conversations, access voicemails, and host three-way conference calls. With this solution, a desk phone is no longer necessary for optimal call performance.

ESI Headsets
We offer a wide selection of professional headsets designed for seamless compatibility with our ESI ePhones and softphone applications. Whether you need a wired or wireless option, these headsets enhance call clarity, comfort, and overall communication efficiency, ensuring an optimal user experience.
Upgrade Your Business Communication Today
Unify Marketing & Technology Solutions delivers professional communication solutions backed by technical expertise and strategic planning.
Our business phone systems provide:
- Reliable on-premise communication
- Expert business phone installation
- Advanced VoIP business phone service capabilities
- Scalable system design
- Ongoing support and optimization
Your communication system should be reliable, scalable, and easy to manage. An on-premise business phone system gives you control while leveraging modern technology.
Contact Unify Marketing & Technology Solutions today to implement a professional business phone system with expert business phone installation and VoIP capabilities.
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