ENA SmartLink is an IP trunking service that provides inbound and outbound calling for customers who wish to maintain their own installed PBX or key systems.

Reliable. Feature-Rich. Generous Calling Plans.
ENA SmartLink allows you to cost-effectively extend the life of your current PBX investment while enjoying increased reliability, enhanced features, and generous calling plans.
Because network and PBX upgrades are not necessary, you get to experience the benefits immediately!
Enterprise-Class Redundancy
Fully redundant servers and secure data centers provide 99.999% uptime.
Advanced Features
Our platform’s extensive list of features and functionalities delivers time savings, decreased costs, and increased productivity.
Simplified Billing
Easy-to-understand, flat monthly rate billing.
Choose the ENA SmartLink connection class that works best for you:

ENA SmartLink Analog
Delivers inbound/outbound calls over your IP infrastructure and translates them to a standard analog connection to terminate to your PBX or key system.
ENA SmartLink PRI
Delivers inbound/outbound calls over your IP infrastructure and translates them to a standard PRI hand-off to terminate to your PBX.
ENA SmartLink IP
Creates a direct SIP trunk between your IP PBX and ENA’s voice platforms, making it perfect for organizations that use an IP PBX such as Cisco CallManager.
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