Voice (Phone Systems)
ESI - ESTECH
ESI designs and manufactures innovative business telephone systems for workplaces like yours. These exceptional systems — providing digital and IP communications — are easy to use, yet packed with advanced capabilities to enhance your competitive edge, and come in a wide range to fit any budget.
Each ESI Communications Server combines multiple first-rate, feature-rich systems into one tightly integrated unit:
- Business phone system
- Voice mail
- Automated attendant with six levels and 100 branches
- Messages-on-hold
- Enhanced Caller ID
- Automatic call distribution (ACD)
- Intelligent Call Forwarding™
- Optional Windows-based VIP family of communication management tools
- Optional ESI Presence Management
- Optional ESI Media Management
- Optional ESI Bluetooth® Voice Integration
- Network-based VoIP telephony
Properly configured by K & D Communications, an ESI Communications Server can handle your heaviest communications needs. There are multiple models, with differing capacities, but all share the features mentioned above, plus:
- Digital stations, IP stations (including SIP), or any combination thereof
- T1/PRI support
- Massive voice message storage
- Sophisticated voice mail features
Powerful — but friendly
Despite its long list of features, an ESI Communications Server — thanks to famous ESI ease-of-use — is a phone system you’ll find friendly. It says, “Good morning.” It teaches you how to use and program it. It reminds you to change your personal greeting after a trip. And it stands by, ready to assist you whenever you need help. There are several different models of ESI desktop Feature Phones. Each is a compact, attractive addition to any desk, designed to simplify your telecommunications. Here are just two examples:
- The display is large and easy to read; that's even more true for a backlit display, which is available on certain models.
- The dedicated function keys (so you don’t have to memorize codes) give you more ease of use, even with an ESI Communications Server’s enhanced capabilities.
On the go?
If you’re frequently on the move throughout your workplace, an ESI Cordless Handset II is the easiest way to stay in touch with other system extensions, not to mention your voice mail. The ESI-exclusive Quick Switch feature makes it easy to go from desktop extension to the Cordless Handset II at a moment’s notice; just press a key. Or, if you’re “tied” to your cell phone, ESI Cellular Management — part of ESI Bluetooth Voice Integration — simplifies your communications through the power of fixed/mobile convergence.
Easy to choose; easy to use
Regardless of the model you choose, any ESI Communications Server is an easy choice over other business communications systems. Its ease of use and feature-richness reduce staff frustrations, increases productivity, and enhances your corporate image. And each ESI Communications Server’s unique integration provides call-processing efficiency and cost savings that previously were impossible.
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48-Key Digital and IP Telephone Available with Backlit Display and Full Duplex Speakerphone |
ESI Additional 60 Key Console for 48-Key Phone |
Digital or IP Cordless Telephones Available in Small & Large |
24-Key Digital Telephone Available with Backlit Display and full Duplex Speakerphone |
ESI Presence Management Door Unit offering presence status, call control, entrance security, and documented tracking of users work hours
Presence Management with Fobs or Cards
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ESI Cellular Management & Bluetooth Capabilities |
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Comdial / Vertical Technologies
Vertical Comdial products offer small to large size organizations affordable, reliable telephony solutions. We are highlighting some products and technology they offer for both small and mid-sized organizations.
For smaller companies we can work with them to provide you with sophisticated telecommunications features in an affordable, easy-to-use and scalable solution.
For medium-sized organizations we work with Vertical Comdial products to provide you with flexible, scalable and reliable telephony solutions with VoIP capabilities. More Information on Vertical Comdial for Small to Mid-Sized Businesses >>
Comdial |
Comdial Large Screen |
Comdial |
Scout II Wireless |
Comdial FXII Telephone SystemAs your organization grows, both voice and data communications become more challenging –– and more critical to continued success. The Vertical Comdial FX II Business Communications System enables voice communications to be transported and easily managed over data networks. A suite of messaging and call control applications enable unified voicemail and e-mail messaging, flexible call routing and reporting for single-site and multi-site organizations. | |
Vertical's Wave IP Business Communication System
Core Applications
Add-on Applications
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Vertical SBX IP 320 Converged Telephony System
Revolutionary Easy Proven Responsive Intelligent |
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Multiple Zone Paging
Multiple zone paging for phone systems.
- Multilevel warehouse
- Multiple department manufacturing business
- Multi building office complex
Music / Message on Hold
An overall pleasant listening environment provided for callers on hold.
- Create a positive customer experience
- Inform, educate and motivate
- Cross sell products and services
- Highlight promotions
- Build brand awareness
- Differentiate from the competition
- Reach a captive audience
- Increase sales and revenue



















Increased Productivity. Lower Costs Unlock the Power of Communications Applications.

VoIP Made Simple
- ESTECH