ESI Phones & Calling Apps
Uniquely Integrated using ESI Intellitouch™
Award-winning Enterprise IP technology designed to increase efficiency and production.
A lot of VoIP providers let their customers use any old IP phone with their services, which can end up being quite pricey. Wouldn’t you prefer to trust your important business communications to tools that are designed to work seamlessly together?
Our solution engineers put countless time into developing our unique integration layer, we call it ESI Intellitouch™, which is a special partnership between the ESI phone and the ESI solution. This connection opens up amazing options and features, helping you make the most of one of the most essential tools for any business – your phones!
Desktop Phones
(compatible with both Cloud & On-Premises)

ESI ePhone 3™ Enterprise IP Phone
- Color: Black
- Display: 3.5″ Color LCD
- HD Voice Audio
- 8 SIP Lines
- 45 Programmable Keys
- 1,000 Local Phonebook Entries
- 600 Call History logs
- Gigabit Ethernet 10/100/1000, Dual-Port
- Hearing-Aid Compatible
- 2.4GHz Wi-Fi with optional adapter*
- Bluetooth with optional adapter*

ESI ePhone 4x™ Enterprise IP Phone
- Color: Black
- Display: 4.3″ Color LCD
- HD Voice Audio
- 20 SIP Lines
- 45 Programmable Keys
- 1,000 Local Phonebook Entries
- 1,000 Call History logs
- Gigabit Ethernet 10/100/1000, Dual-Port
- Hearing-Aid Compatible
- 2.4GHz Wi-Fi with optional adapter*

ESI ePhone X-1™ Enterprise IP Phone
- Color: Dark Gray
- Display: 4.3″ & 2x 3.5″ Color LCDs
- HD Voice Audio
- 20 SIP Lines
- 106 Programmable Keys
- 2,000 Local Phonebook Entries
- 1,000 Call History logs
- Gigabit Ethernet 10/100/1000, Dual-Port
- Hearing-Aid Compatible
- 2.4GHz Wi-Fi with optional adapter*
- Built-in Bluetooth support (for headsets)

ESI ePhone 8™ Enterprise IP Phone
- Color: Black
- Display: 7″ Color Touch-screen
- HD Voice Audio
- 20 SIP Lines
- 112 Programmable Keys
- 2,000 Local Phonebook Entries
- 1,000 Call History logs
- Gigabit Ethernet 10/100/1000, Dual-Port
- Hearing-Aid Compatible
- Built-in Wi-Fi support
- Built-in Bluetooth support (for headsets)
- Color: Black
- Display: 3.5″ Color LCD
- HD Voice Audio
- 8 SIP Lines
- 45 Programmable Keys
- 1,000 Local Phonebook Entries
- 600 Call History logs
- Gigabit Ethernet 10/100/1000, Dual-Port
- Hearing-Aid Compatible
- 2.4GHz Wi-Fi with optional adapter*
- Bluetooth with optional adapter*
Mobility Apps
(compatible with Cloud solutions)

ESI ePhoneGo 2™ Smartphone Calling App

ESI Webphone™ Softphone Calling App
ESI Webphone™ is a dynamic softphone that gives users the ability to maximize their communication from the convenience of their PC. Access your voicemails, contacts, and more with the additional benefit of being able to initiate SMS messages, chats, and calls. This digital tool is essential for workers that are remote and need accessibility from anywhere at any time.
Mobility Apps
(On-Premises)

ESI eMobile™ Smartphone Calling App

ESI eMobile for Desktop™ Softphone Calling App
Stay connected from the web with this app that lets you make and initiate calls, manage contacts, record calls, listen to voicemails and make three-way conference calls. Users no longer need a desk phone to achieve peak call performance.