3Com VCX V7111 VoIP SIP Gateways User Manual 93Phones to IP Routing TableFigure 33 Phones to IP Routing TableUsing Call Progress Tones and RingingThe Call Progress Tones Configuration File contains the definitions of the call progress tonesand characteristics of ringing signal to be detected/generated by the VCX 7111. You can useeither VCX V7111, one of the configuration files supplied by 3Com, or construct their ownfile.The Call Progress Tones Configuration File used by the VCX V7111 is a binary file (with theextension DAT). You can construct your own configuration file by starting from the tone.inifile format, then modifying the file, and finally converting it into binary format using theDownload conversion utility supplied with the VCX V7111 package. Select the Convert dBmValues check box in the Conversion Utility.To download the Call Progress Tones File to the VCX V7111, a correct definition should beused in the mp108.ini file. See “Call Progress Tone and Ringing Generation and DownloadProcedure” on page 99 for the description of the procedure on how to generate anddownload the Call Progress Tones file.
