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Valentine Systems
 Call us at: 631-862-1339
                                          ESI Communications Servers
 ESI uses advanced technology to design IP and digital communications systems that integrate built-in capabilities, advanced features, and highly differentiated applications into flexible products that are easy to use and keep employees productive. ESI has sold over 250,000 business communications systems through hundreds of factory-trained Certified Resellers. Founded in 1987, ESI is a privately held corporation with headquarters in Plano, Texas
ESI 60IP Business Phone and ESI 60D (digital) Business Phone

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ESI 40IP Business Phone and ESI 40D (digital) Business Phone

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48-Key IP Feature Phone II and 48-Key Digital Feature Phone

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ESI 30D (digital) Business Phone 

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  ESI Cordless Handset II 

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