ESI E1 612 Port Expansion Card Phones Provides Voicemail

Provides Voicemail

The PowerConnect 7024 quickly deploys efficient Layer 3 Gb switching

and 8 relay ports are included standard

The button box can either be powered via the power of an attached phone or through the use of an optional power injector

It will not accept external microphones

ESI E1 612 Port Expansion Card Phones Provides VoicemailESI E1 612 Port Expansion Card Description: The ESI E1 612 is a first generation port expansion card for IVX 128 phone systems. The ESI 612 adds 6 analog trunks (FXO) and 12 digital extensions (FXS) to a system. The E1 612 is compatible with ESI E Class, X Class, and IVX128 phone systems. The ribbon cable to connect the ESI 612 port card to the phone system is included. ESI E1 612 Features: Adds 6 CO lines to systems Adds 12 digital extensions to