10 3Com® VCX V7111 VoIP Gateway User GuideGraceful Shutdown 3743Com Element Management System 375Readers Notes 376C HAPTER 15: C ONFIGURATION F ILES 377Configuring the Call Progress Tones and Distinctive Ringing File 377Format of the Call Progress Tones Section in the ini File 377Format of the Distinctive Ringing Section in the ini File 380Prerecorded Tones (PRT) File 382PRT File Format 382The Coefficient Configuration File 383User Information File 384Readers Notes 386C HAPTER 16: S ELECTED T ECHNICAL SPECIFICATIONS 387V7111 1x PORT Specifications 387V7111 24 PORT Specifications 391Readers Notes 394A PPENDIX A: V7111 SIP S OFTWARE K IT 395Readers Notes 396A PPENDIX B: SIP C OMPLIANCE T ABLES 397SIP Functions 397SIP Methods 397SIP Headers 398SDP Headers 400SIP Responses 4011xx Response – Information Responses 4012xx Response – Successful Responses 4013xx Response – Redirection Responses 4024xx Response – Client Failure Responses 4025xx Response – Server Failure Responses 4046xx Response – Global Responses 404Reader's Notes 405A PPENDIX C: B OOT P/TFTP C ONFIGURATION U TILITY 407
