Settings Network Settings Basic Settings Advanced Settings Ring Tones System Features | Ring TonesSyntax: c=on1/ off1[- on2/ off2[- on3/ off3]]; (Cadence on and off are in 1 ms units) System Ring Cadence Call Progress TonesSyntax: f1=val, f2=val[, c=on1/ off1[- on2/ off2[- on3/ off3]]]; (Frequencies are in Hz and cadence on and off are in 1 ms units) Dial Tone Ringback Tone Busy Tone Call-Waiting Tone |