On-premises Business Phones
Intuitive, One-touch Designs
ESI ePhone4x
ESI ePhone3
ESI ePhoneX
On-premises solutions with full PBX functions from ESI. Prioritize calls like sales or appointments while eliminating busy signals and rings with no answer. We offer digital and IP functionality plus built-in features to support a growing business. One-touch for call recording, transferring, park, conferencing, voicemail and DND.
- Unique message handling
- ESI Virtual Answer greets every caller,
even if you’re on the other line
- Extensive voicemail capabilities
with advanced features and messaging options - Intelligent Caller-ID and forwarding
ESI eSIP Evolution Series Servers™
Easy to deploy, ESI eSIP Evolution Series™ deliver on power, performance, security and reliability. Whether on the road or at the beach, the ESI eMobile™ application enables you to access your business phone’s critical features.
Key Features Plus Benefits
- Quick multi-site & remote user connections
- Advanced call handling options
- Built-in call recording capability
- Integration with Cloud Contact Center & CRMs
- Conferencing & three-way calling
- Visual voicemail & email to SMS
- Web-based management
- Add-ons: eMobile app for smartphones, auto-provisioning, LDAP, conference panel, VPN server and more!