eSIP Evolution Series™
The all-new eSIP Evolution Series delivers power, performance, flexibility and scalability for small to mid-sized enterprises up to 500 users. With a modular design that uses the very latest advanced standards-based technology, the eSIP Evolution Series is engineered for the communications needs of today, while “future-proofing” your investment with the ability to grow along with your Pittsburgh, PA organization in the future.
Easy to Deploy
Comprehensive auto-provisioning and advanced plug-and-play capabilities, combined with an intuitive Metro UI driven by point-and-click configuration, enable faster installations.
Power and Performance
The eSIP Evolution Series features the latest technology, including industrial-grade Quad Core processors, T1 DSP voice processors, and extended-life power units with lightning protection. This solution works with SIP/IAX2, PSTN lines, ISDN, T1/PRI, and GSM/3G/4G.
Premium Technology and Features
Enterprise-grade features improve productivity and efficiency by making routine tasks simple, including visual voicemail, dial-by-name directories, conferencing, advanced call handling, call recording, and more.
Secure and Reliable
Gain peace of mind with advanced fail-over/redundancy, built-in security, monitoring and reporting capabilities as standard features. Additionally, the internal firewall/threat detection and support for TLS and SRTP encryption means that your communications remain secure from unexpected threats to your system.
Mobility Made Easy
Take the critical features of your business phone on the road with you by using the ESI eMobile application for smartphones. Access voicemails, contact directories, and call recording features from wherever you may be, and always stay available to receive calls from your most valuable clients!