6 3Com® VCX V7111 VoIP Gateway User GuideC HAPTER 6: INI F ILE C ONFIGURATION OF THE V7111 G ATEWAY 237Secured ini File 237Modifying an ini File 238The ini File Structure 238The ini File Structure Rules 238The ini File Example 239Readers Notes 240C HAPTER 7: U SING B OOT P / DHCP 241BootP/DHCP Server Parameters 241Using DHCP 242Using BootP 243Upgrading the V7111 Gateway 243Vendor Specific Information Field 243Readers Notes 245C HAPTER 8: T ELEPHONY C APABILITIES 247Working with Supplementary Services 247Call Hold and Retrieve 247Consultation / Alternate 248Call Transfer 248Call Forward 249Call Waiting 250Message Waiting Indication 250Configuring the DTMF Transport Types 251Fax & Modem Transport Modes 252Fax/Modem Settings 252Configuring Fax Relay Mode 253Configuring Fax/Modem Bypass Mode 253Supporting V.34 Faxes 253Supporting V.152 Implementation 254FXO Operating Modes 255IP-to-Telephone Calls 255Telephone-to-IP Calls 260ThroughPacket™ 263Dynamic Jitter Buffer Operation 264
