ESI delivers the reliability, control and connectivity of a complete business phone solution. A hybrid cloud solution enables your business to be more agile, competitive and cost effective. Not ready for a full cloud solution? A hybrid approach keeps you in the game with new communication features plus can reduce the cost of your connectivity by up to 50%. Merge the power of an on-site IP-based phone system with power of SIP connectivity. Gain the benefits of the cloud and manage your phone system locally.
Unlimited Calling
Local and long distance calling is unlimited within United States, Mexico and Canada.
Audio Conferencing
Audio Conferencing services for conferences up to 15 participants, enabling you to collaborate quickly and make decisions faster.
Peak Capacity Management
Supports bursting to manage peak call volumes.
Inbound/Outbound Calling
View caller name and number easily, enabling you to quickly determine how to handle the call.
Call Management
Including single-DID (per trunk) and E911.
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