Cisco Cisco Voice Interface Cards Installation Guide

This document provides an overview of Cisco interface cards and explains how to install the Cisco 2-port 
E&M voice interface card (VIC3-2E/M). It contains the following sections:

For an overview of Cisco interface cards used for Cisco access routers, see the 

 document.

This section describes E&M voice interface cards and how to them to a network. It contains the 
following sections:

Cisco voice interface cards (VICs) support voice technologies. VICs can be installed in interface card 
slots on supported Cisco access routers or in 1- or 2-slot voice network modules that are installed in 
network module slots on supported Cisco access routers.

RecEive and transMit (E&M) is a signaling technique for 2-wire and 4-wire telephone and trunk 
interfaces. The E&M interface typically connects remote calls from an IP network to a PBX. The Cisco
2-port E&M voice interface card is shown in