14 3Com® VCX V7111 VoIP Gateway User Guide Chapter 7: Using BootP / DHCP Chapter 8: Telephony Capabilities Chapter 9: Networking Capabilities Chapter 10: Advanced System Capabilities Chapter 11: Special Applications - Metering Tones Relay Chapter 12: Security Chapter 13: Diagnostics Chapter 14: SNMP-Based Management Chapter 15: Configuration Files Chapter 16: Selected Technical Specifications Appendix A: V7111 SIP Software Kit Appendix B: SIP Compliance Tables Appendix C: BootP/TFTP Configuration Utility Appendix D: RTP/RTCP Payload Types and Port Allocation Appendix E: Accessory Programs and Tools Appendix F: SNMP Traps Appendix G: Installation and Configuration of Apache HTTP Server Appendix H: Regulatory InformationConventionsTable 1 lists conventions that are used throughout this guide.Table 1 Notice IconsIcon Notice Type DescriptionInformation note Information that describes important features or instructions.Caution Information that alerts you to potential loss of data or potentialdamage to an application, device, system, or network.Warning Information that alerts you to potential personal injury or death.