3Com® VCX V7111 VoIP Gateway User Guide 3CONTENTSA BOUT T HIS GUIDE 13How to Use This Guide 13Conventions 14Related Documentation 15Documentation Comments 15Notices 15WEEE EU Directive 15Abbreviations and Terminology 15C HAPTER 1: O VERVIEW 17Gateway Description 17SIP Overview 19V7111 Features 19General Features 19V7111 1x PORT Hardware Features 20V7111 24 PORT Hardware Features 20SIP Features 20C HAPTER 2: V7111 G ATEWAY PHYSICAL DESCRIPTION 25V7111 1x PORT Physical Description 25V7111 1x PORT Front Panel 25V7111 1x PORT Rear Panel 26V7111 24 PORT Physical Description 27V7111 24 PORT Front Panel 27V7111 24 PORT Rear Panel 28Readers Notes 30C HAPTER 3: I NSTALLING THE V7111 G ATEWAY 31Installing the V7111 1x PORT 31Unpacking 31Package Contents 32