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ESI Phones

ESI Phones

With a broad range of phone systems and compatible phones ranging from the analog EKT series through the DP and DFP, the IVX series of phone systems offers amazing feature sets in a small package.

Avaialable options include the "plain" IVX followed by the E-Class, X-Class and S-Class IVX systems. These offer mixed compatibility with different phones; please see our helpful ESI Compatibility Matrix for specifics.

For larger applications including enterprise-grade features and system sizes, the Communication Server (CS Series) offers modern digital, IP and SIP options for a wide range of customer needs.

If you are looking for a particular ESI phone and can't find it listed here, please contact us and we will get back to you as quickly as possible with whatever help we can offer.

ESI Phone System User Guides

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